tag version 2.2.2

* Log a message when hitting a key that would have failed previously

* spelling

analytics/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-analytics</artifactId>
   <!--
@@ -64,24 +64,6 @@
     </dependency>
   </dependencies>
   <build>
-    <pluginManagement>
-      <plugins>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-compiler-plugin</artifactId>
-          <configuration>
-            <compilerId>jdt</compilerId>
-          </configuration>
-          <dependencies>
-            <dependency>
-              <groupId>org.eclipse.tycho</groupId>
-              <artifactId>tycho-compiler-jdt</artifactId>
-              <version>1.4.0</version>
-            </dependency>
-          </dependencies>
-        </plugin>
-      </plugins>
-    </pluginManagement>
     <plugins>
       <plugin>
         <groupId>org.jacoco</groupId>

balancer/conf/timely-balancer.yml

@@ -48,40 +48,47 @@ timely:
     server:
       ip: ${HOST_IP}
       tcp-base-port: ${TCP_BASE_PORT}
-      num-tcp-pools: 1
       tcp-buffer-size: 100
       tcp-client-pool:
-        min-idle-per-key: 0
-        max-idle-per-key: 40
-        max-total-per-key: 40
+        min-idle-per-key: 5
+        max-idle-per-key: 5
+        max-total-per-key: 5
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false
       udp-base-port: ${UDP_BASE_PORT}
       udp-client-pool:
-        min-idle-per-key: 0
-        max-idle-per-key: 40
-        max-total-per-key: 40
+        min-idle-per-key: 5
+        max-idle-per-key: 5
+        max-total-per-key: 5
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false
@@ -91,6 +98,10 @@ timely:
       base-port: ${HTTP_BASE_PORT}
       redirect-path: /secure-me
       strict-transport-max-age: 604800
+      connection-request-timeout: 5000
+      connect-timeout: 5000
+      socketTimeout: 300000
+      request-timeout: 300000
       cors:
         allow-any-origin: false
         allow-null-origin: false
@@ -99,19 +110,23 @@ timely:
         allowed-methods: DELETE,GET,HEAD,OPTIONS,PUT,POST
         allowed-headers: content-type
       httpClientPool:
-        min-idle-per-key: 0
+        min-idle-per-key: 10
         max-idle-per-key: 40
         max-total-per-key: 40
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false
@@ -130,15 +145,19 @@ timely:
         max-idle-per-key: 40
         max-total-per-key: 40
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false

balancer/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-balancer</artifactId>
   <description>Timely Balancer</description>
@@ -44,6 +44,10 @@
       <groupId>io.github.classgraph</groupId>
       <artifactId>classgraph</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.netty</groupId>
+      <artifactId>netty-transport-classes-epoll</artifactId>
+    </dependency>
     <dependency>
       <groupId>net.sourceforge.javacsv</groupId>
       <artifactId>javacsv</artifactId>

balancer/src/main/java/timely/balancer/Balancer.java

@@ -217,16 +217,12 @@ public class Balancer {
             }
             log.info("Using channel class {}", channelClass.getSimpleName());
 
-            List<TcpClientPool> tcpClientPools = new ArrayList<>();
-            for (int x = 0; x < balancerServerProperties.getNumTcpPools(); x++) {
-                tcpClientPools.add(new TcpClientPool(balancerServerProperties));
-            }
-
             final ServerBootstrap tcpServer = new ServerBootstrap();
             tcpServer.group(tcpBossGroup, tcpWorkerGroup);
             tcpServer.channel(channelClass);
             tcpServer.handler(new LoggingHandler());
-            tcpServer.childHandler(setupTcpChannel(metricResolver, tcpClientPools));
+            TcpClientPool tcpClientPool = new TcpClientPool(balancerServerProperties);
+            tcpServer.childHandler(setupTcpChannel(metricResolver, tcpClientPool));
             tcpServer.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
             tcpServer.option(ChannelOption.SO_BACKLOG, 128);
             tcpServer.childOption(ChannelOption.SO_KEEPALIVE, true);
@@ -433,7 +429,7 @@ public class Balancer {
                 ch.pipeline().addLast("fileServer",
                                 new HttpStaticFileServerHandler().setIgnoreSslHandshakeErrors(sslServerProperties.isIgnoreSslHandshakeErrors()));
                 ch.pipeline().addLast("login", new X509LoginRequestHandler(authenticationService, securityProperties, balancerHttpProperties));
-                ch.pipeline().addLast("httpRelay", new HttpRelayHandler(metricResolver, httpClientPool));
+                ch.pipeline().addLast("httpRelay", new HttpRelayHandler(balancerHttpProperties, metricResolver, httpClientPool));
                 ch.pipeline().addLast("error", new TimelyExceptionHandler().setIgnoreSslHandshakeErrors(sslServerProperties.isIgnoreSslHandshakeErrors()));
             }
         };
@@ -454,7 +450,7 @@ public class Balancer {
         };
     }
 
-    protected ChannelHandler setupTcpChannel(MetricResolver metricResolver, List<TcpClientPool> tcpClientPools) {
+    protected ChannelHandler setupTcpChannel(MetricResolver metricResolver, TcpClientPool tcpClientPool) {
         return new ChannelInitializer<SocketChannel>() {
 
             @Override
@@ -462,7 +458,7 @@ public class Balancer {
                 ch.pipeline().addLast("buffer", new MetricsBufferDecoder());
                 ch.pipeline().addLast("frame", new DelimiterBasedFrameDecoder(65536, true, Delimiters.lineDelimiter()));
                 ch.pipeline().addLast("putDecoder", new TcpDecoder());
-                ch.pipeline().addLast("tcpRelayHandler", new TcpRelayHandler(metricResolver, tcpClientPools));
+                ch.pipeline().addLast("tcpRelayHandler", new TcpRelayHandler(metricResolver, tcpClientPool));
                 ch.pipeline().addLast("versionHandler", new TcpVersionHandler());
             }
         };

balancer/src/main/java/timely/balancer/configuration/BalancerHttpProperties.java

@@ -2,7 +2,6 @@ package timely.balancer.configuration;
 
 import javax.validation.Valid;
 
-import org.apache.commons.pool2.impl.GenericKeyedObjectPoolConfig;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
@@ -14,11 +13,48 @@ import timely.common.configuration.HttpProperties;
 @ConfigurationProperties(prefix = "timely.balancer.http")
 public class BalancerHttpProperties extends HttpProperties {
 
+    private int connectionRequestTimeout = 5000;
+    private int connectTimeout = 5000;
+    private int socketTimeout = 300000;
+    private int requestTimeout = 300000;
+
     @Valid
     @NestedConfigurationProperty
-    private GenericKeyedObjectPoolConfig<CloseableHttpClient> httpClientPool = new GenericKeyedObjectPoolConfig<>();
+    private GenericKeyedObjectPoolConfiguration<CloseableHttpClient> httpClientPool = new GenericKeyedObjectPoolConfiguration<>();
 
-    public GenericKeyedObjectPoolConfig<CloseableHttpClient> getHttpClientPool() {
+    public GenericKeyedObjectPoolConfiguration<CloseableHttpClient> getHttpClientPool() {
         return httpClientPool;
     }
+
+    public void setConnectionRequestTimeout(final int connectionRequestTimeout) {
+        this.connectionRequestTimeout = connectionRequestTimeout;
+    }
+
+    public int getConnectionRequestTimeout() {
+        return connectionRequestTimeout;
+    }
+
+    public void setConnectTimeout(final int connectTimeout) {
+        this.connectTimeout = connectTimeout;
+    }
+
+    public int getConnectTimeout() {
+        return connectTimeout;
+    }
+
+    public void setSocketTimeout(final int socketTimeout) {
+        this.socketTimeout = socketTimeout;
+    }
+
+    public int getSocketTimeout() {
+        return socketTimeout;
+    }
+
+    public void setRequestTimeout(int requestTimeout) {
+        this.requestTimeout = requestTimeout;
+    }
+
+    public int getRequestTimeout() {
+        return requestTimeout;
+    }
 }

balancer/src/main/java/timely/balancer/configuration/BalancerServerProperties.java

@@ -2,7 +2,6 @@ package timely.balancer.configuration;
 
 import javax.validation.Valid;
 
-import org.apache.commons.pool2.impl.GenericKeyedObjectPoolConfig;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 import org.springframework.cloud.context.config.annotation.RefreshScope;
@@ -17,32 +16,22 @@ public class BalancerServerProperties extends ServerProperties {
 
     @Valid
     @NestedConfigurationProperty
-    private GenericKeyedObjectPoolConfig<UdpClient> udpClientPool = new GenericKeyedObjectPoolConfig<>();
+    private GenericKeyedObjectPoolConfiguration<UdpClient> udpClientPool = new GenericKeyedObjectPoolConfiguration<>();
 
     @Valid
     @NestedConfigurationProperty
-    private GenericKeyedObjectPoolConfig<TcpClient> tcpClientPool = new GenericKeyedObjectPoolConfig<>();
-
-    private int numTcpPools = 1;
+    private GenericKeyedObjectPoolConfiguration<TcpClient> tcpClientPool = new GenericKeyedObjectPoolConfiguration<>();
 
     private int tcpBufferSize = -1;
 
-    public GenericKeyedObjectPoolConfig<UdpClient> getUdpClientPool() {
+    public GenericKeyedObjectPoolConfiguration<UdpClient> getUdpClientPool() {
         return udpClientPool;
     }
 
-    public GenericKeyedObjectPoolConfig<TcpClient> getTcpClientPool() {
+    public GenericKeyedObjectPoolConfiguration<TcpClient> getTcpClientPool() {
         return tcpClientPool;
     }
 
-    public int getNumTcpPools() {
-        return numTcpPools;
-    }
-
-    public void setNumTcpPools(int numTcpPools) {
-        this.numTcpPools = numTcpPools;
-    }
-
     public int getTcpBufferSize() {
         return tcpBufferSize;
     }

balancer/src/main/java/timely/balancer/configuration/BalancerWebsocketProperties.java

@@ -2,7 +2,6 @@ package timely.balancer.configuration;
 
 import javax.validation.Valid;
 
-import org.apache.commons.pool2.impl.GenericKeyedObjectPoolConfig;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 import org.springframework.cloud.context.config.annotation.RefreshScope;
@@ -16,9 +15,9 @@ public class BalancerWebsocketProperties extends WebsocketProperties {
 
     @Valid
     @NestedConfigurationProperty
-    private GenericKeyedObjectPoolConfig<WebSocketSubscriptionClient> wsClientPool = new GenericKeyedObjectPoolConfig<>();
+    private GenericKeyedObjectPoolConfiguration<WebSocketSubscriptionClient> wsClientPool = new GenericKeyedObjectPoolConfiguration<>();
 
-    public GenericKeyedObjectPoolConfig<WebSocketSubscriptionClient> getWsClientPool() {
+    public GenericKeyedObjectPoolConfiguration<WebSocketSubscriptionClient> getWsClientPool() {
         return wsClientPool;
     }
 

balancer/src/main/java/timely/balancer/configuration/GenericKeyedObjectPoolConfiguration.java

@@ -0,0 +1,83 @@
+package timely.balancer.configuration;
+
+import java.io.PrintWriter;
+import java.nio.charset.StandardCharsets;
+import java.time.Duration;
+
+import org.apache.commons.pool2.impl.AbandonedConfig;
+import org.apache.commons.pool2.impl.GenericKeyedObjectPoolConfig;
+
+public class GenericKeyedObjectPoolConfiguration<T> extends GenericKeyedObjectPoolConfig<T> {
+
+    private Duration removeAbandonedTimeout = null;
+    private boolean removeAbandonedLogging = false;
+    private boolean removeAbandonedOnBorrow = false;
+    private boolean removeAbandonedOnMaintenance = false;
+
+    public void setMaxWaitMillis(long maxWaitMillis) {
+        super.setMaxWait(Duration.ofMillis(maxWaitMillis));
+    }
+
+    public void setMinEvictableIdleTimeMillis(long minEvictableIdleTimeMillis) {
+        super.setMinEvictableIdleTime(Duration.ofMillis(minEvictableIdleTimeMillis));
+    }
+
+    public void setEvictorShutdownTimeoutMillis(long evictorShutdownTimeoutMillis) {
+        super.setEvictorShutdownTimeout(Duration.ofMillis(evictorShutdownTimeoutMillis));
+    }
+
+    public void setSoftMinEvictableIdleTimeMillis(long softMinEvictableIdleTimeMillis) {
+        super.setSoftMinEvictableIdleTime(Duration.ofMillis(softMinEvictableIdleTimeMillis));
+    }
+
+    public void setTimeBetweenEvictionRunsMillis(long timeBetweenEvictionRunsMillis) {
+        super.setTimeBetweenEvictionRuns(Duration.ofMillis(timeBetweenEvictionRunsMillis));
+    }
+
+    public void setRemoveAbandonedTimeoutMillis(long removeAbandonedTimeoutMillis) {
+        this.removeAbandonedTimeout = Duration.ofMillis(removeAbandonedTimeoutMillis);
+    }
+
+    public Duration getRemoveAbandonedTimeout() {
+        return removeAbandonedTimeout;
+    }
+
+    public void setRemoveAbandonedOnBorrow(boolean removeAbandonedOnBorrow) {
+        this.removeAbandonedOnBorrow = removeAbandonedOnBorrow;
+    }
+
+    public boolean getRemoveAbandonedOnBorrow() {
+        return removeAbandonedOnBorrow;
+    }
+
+    public void setRemoveAbandonedOnMaintenance(boolean removeAbandonedOnMaintenance) {
+        this.removeAbandonedOnMaintenance = removeAbandonedOnMaintenance;
+    }
+
+    public boolean getRemoveAbandonedOnMaintenance() {
+        return removeAbandonedOnMaintenance;
+    }
+
+    public void setRemoveAbandonedLogging(boolean removeAbandonedLogging) {
+        this.removeAbandonedLogging = removeAbandonedLogging;
+    }
+
+    public boolean getRemoveAbandonedLogging() {
+        return removeAbandonedLogging;
+    }
+
+    public AbandonedConfig getAbandonedConfig() {
+        AbandonedConfig abandonedConfig = null;
+        if (removeAbandonedTimeout != null) {
+            abandonedConfig = new AbandonedConfig();
+            abandonedConfig.setRemoveAbandonedTimeout(removeAbandonedTimeout);
+            if (removeAbandonedLogging) {
+                abandonedConfig.setLogAbandoned(removeAbandonedLogging);
+                abandonedConfig.setLogWriter(new PrintWriter(System.out, true, StandardCharsets.UTF_8));
+            }
+            abandonedConfig.setRemoveAbandonedOnBorrow(removeAbandonedOnBorrow);
+            abandonedConfig.setRemoveAbandonedOnMaintenance(removeAbandonedOnMaintenance);
+        }
+        return abandonedConfig;
+    }
+}

balancer/src/main/java/timely/balancer/connection/http/HttpClientPool.java

@@ -11,7 +11,7 @@ import timely.common.configuration.SslClientProperties;
 
 public class HttpClientPool extends GenericKeyedObjectPool<TimelyBalancedHost,CloseableHttpClient> {
 
-    public HttpClientPool(BalancerHttpProperties http, SSLContext sslContext, SslClientProperties sslClientProperties) {
-        super(new HttpClientFactory(sslContext, sslClientProperties), http.getHttpClientPool());
+    public HttpClientPool(BalancerHttpProperties config, SSLContext sslContext, SslClientProperties sslClientProperties) {
+        super(new HttpClientFactory(sslContext, sslClientProperties), config.getHttpClientPool(), config.getHttpClientPool().getAbandonedConfig());
     }
 }

balancer/src/main/java/timely/balancer/connection/tcp/TcpClientPool.java

@@ -8,7 +8,7 @@ import timely.client.tcp.TcpClient;
 
 public class TcpClientPool extends GenericKeyedObjectPool<TimelyBalancedHost,TcpClient> {
 
-    public TcpClientPool(BalancerServerProperties balancerServerProperties) {
-        super(new TcpClientFactory(balancerServerProperties.getTcpBufferSize()), balancerServerProperties.getTcpClientPool());
+    public TcpClientPool(BalancerServerProperties config) {
+        super(new TcpClientFactory(config.getTcpBufferSize()), config.getTcpClientPool(), config.getTcpClientPool().getAbandonedConfig());
     }
 }

balancer/src/main/java/timely/balancer/connection/udp/UdpClientPool.java

@@ -8,7 +8,7 @@ import timely.client.udp.UdpClient;
 
 public class UdpClientPool extends GenericKeyedObjectPool<TimelyBalancedHost,UdpClient> {
 
-    public UdpClientPool(BalancerServerProperties serverProperties) {
-        super(new UdpClientFactory(), serverProperties.getUdpClientPool());
+    public UdpClientPool(BalancerServerProperties config) {
+        super(new UdpClientFactory(), config.getUdpClientPool(), config.getUdpClientPool().getAbandonedConfig());
     }
 }

balancer/src/main/java/timely/balancer/connection/ws/WsClientPool.java

@@ -12,9 +12,9 @@ import timely.common.configuration.SslClientProperties;
 
 public class WsClientPool extends GenericKeyedObjectPool<TimelyBalancedHost,WebSocketSubscriptionClient> {
 
-    public WsClientPool(BalancerProperties balancerProperties, BalancerWebsocketProperties balancerWebsocketProperties, SslClientProperties sslClientProperties,
+    public WsClientPool(BalancerProperties balancerProperties, BalancerWebsocketProperties config, SslClientProperties sslClientProperties,
                     SSLContext sslContext) {
-        super(new WsClientFactory(balancerProperties, balancerWebsocketProperties, sslClientProperties, sslContext),
-                        balancerWebsocketProperties.getWsClientPool());
+        super(new WsClientFactory(balancerProperties, config, sslClientProperties, sslContext), config.getWsClientPool(),
+                        config.getWsClientPool().getAbandonedConfig());
     }
 }

balancer/src/main/java/timely/balancer/netty/http/HttpRelayHandler.java

@@ -3,6 +3,7 @@ package timely.balancer.netty.http;
 import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_LENGTH;
 
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
@@ -10,12 +11,19 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 
 import org.apache.http.Header;
+import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPost;
-import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.client.methods.HttpRequestBase;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.message.BasicHeader;
@@ -23,6 +31,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.util.StreamUtils;
 
+import com.google.common.base.Throwables;
 import com.google.common.collect.Multimap;
 
 import io.netty.buffer.Unpooled;
@@ -34,7 +43,6 @@ import io.netty.handler.codec.http.FullHttpResponse;
 import io.netty.handler.codec.http.HttpMethod;
 import io.netty.handler.codec.http.HttpResponseStatus;
 import io.netty.handler.codec.http.HttpVersion;
-import io.netty.util.ReferenceCountUtil;
 import timely.api.request.AuthenticatedRequest;
 import timely.api.request.HttpRequest;
 import timely.api.request.MetricRequest;
@@ -44,6 +52,7 @@ import timely.auth.TimelyAuthenticationToken;
 import timely.auth.util.HttpHeaderUtils;
 import timely.auth.util.ProxiedEntityUtils;
 import timely.balancer.MetricResolver;
+import timely.balancer.configuration.BalancerHttpProperties;
 import timely.balancer.connection.TimelyBalancedHost;
 import timely.balancer.connection.http.HttpClientPool;
 import timely.netty.http.TimelyHttpHandler;
@@ -51,10 +60,13 @@ import timely.netty.http.TimelyHttpHandler;
 public class HttpRelayHandler extends SimpleChannelInboundHandler<HttpRequest> implements TimelyHttpHandler {
 
     private static final Logger log = LoggerFactory.getLogger(HttpRelayHandler.class);
+    private BalancerHttpProperties balancerHttpProperties;
     private final HttpClientPool httpClientPool;
     private MetricResolver metricResolver;
+    private ExecutorService requestExecutor = Executors.newCachedThreadPool();
 
-    public HttpRelayHandler(MetricResolver metricResolver, HttpClientPool httpClientPool) {
+    public HttpRelayHandler(BalancerHttpProperties balancerHttpProperties, MetricResolver metricResolver, HttpClientPool httpClientPool) {
+        this.balancerHttpProperties = balancerHttpProperties;
         this.metricResolver = metricResolver;
         this.httpClientPool = httpClientPool;
     }
@@ -67,6 +79,7 @@ public class HttpRelayHandler extends SimpleChannelInboundHandler<HttpRequest> i
         CloseableHttpResponse relayedResponse = null;
         FullHttpRequest request = null;
         try {
+            String relayURI = "";
             try {
                 request = msg.getHttpRequest();
                 String originalURI = request.uri();
@@ -109,45 +122,39 @@ public class HttpRelayHandler extends SimpleChannelInboundHandler<HttpRequest> i
                 }
                 Header[] headerArray = new Header[relayedHeaderList.size()];
                 relayedHeaderList.toArray(headerArray);
-
-                String relayURI = "https://" + k.getHost() + ":" + k.getHttpPort() + originalURI;
+                relayURI = "https://" + k.getHost() + ":" + k.getHttpPort() + originalURI;
+                HttpRequestBase relayedRequest = null;
                 if (request.method().equals(HttpMethod.GET)) {
-                    HttpUriRequest relayedRequest = new HttpGet(relayURI);
-                    if (headerArray.length > 0) {
-                        relayedRequest.setHeaders(headerArray);
-                    }
-                    relayedResponse = client.execute(relayedRequest);
-
+                    relayedRequest = new HttpGet(relayURI);
                 } else if (request.method().equals(HttpMethod.POST)) {
-                    HttpPost relayedRequest = new HttpPost(relayURI);
-
+                    relayedRequest = new HttpPost(relayURI);
                     String content = request.content().toString(StandardCharsets.UTF_8);
                     StringEntity entity = new StringEntity(content);
-                    relayedRequest.setEntity(entity);
-                    if (headerArray.length > 0) {
-                        relayedRequest.setHeaders(headerArray);
-                    }
-                    relayedResponse = client.execute(relayedRequest);
+                    ((HttpPost) relayedRequest).setEntity(entity);
+                } else {
+                    throw new IllegalArgumentException("Unsupported HTTP method: " + request.method());
                 }
+                if (headerArray.length > 0) {
+                    relayedRequest.setHeaders(headerArray);
+                }
+                relayedResponse = executeHttpRequest(client, relayedRequest, balancerHttpProperties.getRequestTimeout());
+            } catch (IOException e) {
+                String message = String.format("%s calling %s", e.getMessage() == null ? "" : e.getMessage(), relayURI);
+                log.error(message, e);
+                this.sendHttpError(ctx, new TimelyException(HttpResponseStatus.GATEWAY_TIMEOUT.code(), e.getMessage(), e.getLocalizedMessage(), e));
+                return;
             } catch (Exception e) {
                 String message = e.getMessage();
-                if (message == null) {
-                    log.error("", e);
+                if (message != null && message.contains("No matching tags")) {
+                    log.trace(message);
                 } else {
-                    if (message.contains("No matching tags")) {
-                        log.trace(message);
-                    } else {
-                        log.error(message, e);
-                    }
+                    message = String.format("%s calling %s", e.getMessage() == null ? "" : e.getMessage(), relayURI);
+                    log.error(message, e);
                 }
                 this.sendHttpError(ctx, new TimelyException(HttpResponseStatus.INTERNAL_SERVER_ERROR.code(), e.getMessage(), e.getLocalizedMessage(), e));
                 return;
-            } finally {
-                if (request != null) {
-                    ReferenceCountUtil.release(request);
-                }
             }
-            FullHttpResponse response = null;
+            FullHttpResponse response;
             if (relayedResponse == null) {
                 this.sendHttpError(ctx, new TimelyException(HttpResponseStatus.METHOD_NOT_ALLOWED.code(), "Method not allowed", "Method not allowed"));
             } else {
@@ -162,6 +169,8 @@ public class HttpRelayHandler extends SimpleChannelInboundHandler<HttpRequest> i
                 response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
                 sendResponse(ctx, response);
             }
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
         } finally {
             if (relayedResponse != null) {
                 relayedResponse.close();
@@ -200,4 +209,22 @@ public class HttpRelayHandler extends SimpleChannelInboundHandler<HttpRequest> i
         }
         return s;
     }
+
+    private CloseableHttpResponse executeHttpRequest(CloseableHttpClient httpClient, HttpRequestBase relayedRequest, long timeout) throws Exception {
+        try {
+            RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
+            requestConfigBuilder.setConnectionRequestTimeout(this.balancerHttpProperties.getConnectionRequestTimeout());
+            requestConfigBuilder.setConnectTimeout(this.balancerHttpProperties.getConnectTimeout());
+            requestConfigBuilder.setSocketTimeout(this.balancerHttpProperties.getSocketTimeout());
+            RequestConfig requestConfig = requestConfigBuilder.build();
+            relayedRequest.setConfig(requestConfig);
+            Future<CloseableHttpResponse> f = requestExecutor.submit(() -> httpClient.execute(relayedRequest));
+            return f.get(timeout, TimeUnit.MILLISECONDS);
+        } catch (InterruptedException | ExecutionException | TimeoutException e) {
+            Throwable cause = Throwables.getRootCause(e);
+            throw new IOException(cause.getMessage(), cause);
+        } catch (Exception e) {
+            throw e;
+        }
+    }
 }

balancer/src/main/java/timely/balancer/netty/tcp/TcpRelayHandler.java

@@ -1,8 +1,6 @@
 package timely.balancer.netty.tcp;
 
-import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.util.List;
 
 import org.apache.commons.lang3.tuple.Pair;
 import org.slf4j.Logger;
@@ -27,16 +25,11 @@ public class TcpRelayHandler extends SimpleChannelInboundHandler<TcpRequest> {
     private static final String ERR_MSG = "Error storing put metric: ";
 
     private MetricResolver metricResolver;
-    private List<TcpClientPool> tcpClientPools;
+    private TcpClientPool tcpClientPool;
 
-    public TcpRelayHandler(MetricResolver metricResolver, List<TcpClientPool> tcpClientPools) {
+    public TcpRelayHandler(MetricResolver metricResolver, TcpClientPool tcpClientPool) {
         this.metricResolver = metricResolver;
-        this.tcpClientPools = tcpClientPools;
-    }
-
-    private TcpClientPool tcpClientPool() {
-        int x = Math.toIntExact(Thread.currentThread().getId() % tcpClientPools.size());
-        return tcpClientPools.get(x);
+        this.tcpClientPool = tcpClientPool;
     }
 
     @Override
@@ -58,15 +51,17 @@ public class TcpRelayHandler extends SimpleChannelInboundHandler<TcpRequest> {
                 keyClientPair.getRight().write(line + "\n");
             } finally {
                 if (keyClientPair != null && keyClientPair.getLeft() != null && keyClientPair.getRight() != null) {
-                    tcpClientPool().returnObject(keyClientPair.getLeft(), keyClientPair.getRight());
+                    tcpClientPool.returnObject(keyClientPair.getLeft(), keyClientPair.getRight());
                 }
             }
 
-        } catch (IOException e) {
+        } catch (Exception e) {
             log.error(LOG_ERR_MSG, msg, e);
             ChannelFuture cf = ctx.writeAndFlush(Unpooled.copiedBuffer((ERR_MSG + e.getMessage() + "\n").getBytes(StandardCharsets.UTF_8)));
             if (!cf.isSuccess()) {
-                log.error(Constants.ERR_WRITING_RESPONSE, cf.cause());
+                Throwable t = cf.cause();
+                String message = (t == null) ? "" : t.getMessage();
+                log.error(String.format(Constants.ERR_WRITING_RESPONSE, message), cf.cause());
             }
         }
     }
@@ -78,7 +73,7 @@ public class TcpRelayHandler extends SimpleChannelInboundHandler<TcpRequest> {
         while (client == null) {
             try {
                 k = (metricRequest == true) ? metricResolver.getHostPortKeyIngest(metric) : metricResolver.getHostPortKey(metric);
-                client = tcpClientPool().borrowObject(k);
+                client = tcpClientPool.borrowObject(k);
             } catch (Exception e1) {
                 failures++;
                 client = null;

balancer/src/main/java/timely/balancer/netty/udp/UdpRelayHandler.java

@@ -53,7 +53,9 @@ public class UdpRelayHandler extends SimpleChannelInboundHandler<UdpRequest> {
             log.error(LOG_ERR_MSG, msg, e);
             ChannelFuture cf = ctx.writeAndFlush(Unpooled.copiedBuffer((ERR_MSG + e.getMessage() + "\n").getBytes(StandardCharsets.UTF_8)));
             if (!cf.isSuccess()) {
-                log.error(Constants.ERR_WRITING_RESPONSE, cf.cause());
+                Throwable t = cf.cause();
+                String message = (t == null) ? "" : t.getMessage();
+                log.error(String.format(Constants.ERR_WRITING_RESPONSE, message), cf.cause());
             }
         }
     }

balancer/src/test/resources/config/application.yml

@@ -63,40 +63,47 @@ timely:
     server:
       ip: 127.0.0.1
       tcp-base-port: 9242
-      num-tcp-pools: 1
       tcp-buffer-size: 100
       tcp-client-pool:
-        min-idle-per-key: 0
-        max-idle-per-key: 40
-        max-total-per-key: 40
+        min-idle-per-key: 5
+        max-idle-per-key: 5
+        max-total-per-key: 5
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false
       udp-base-port: 9245
       udp-client-pool:
-        min-idle-per-key: 0
-        max-idle-per-key: 40
-        max-total-per-key: 40
+        min-idle-per-key: 5
+        max-idle-per-key: 5
+        max-total-per-key: 5
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false
@@ -106,6 +113,10 @@ timely:
       base-port: 9243
       redirect-path: /secure-me
       strict-transport-max-age: 604800
+      connection-request-timeout: 5000
+      connect-timeout: 5000
+      socket-timeout: 300000
+      request-timeout: 300000
       cors:
         allow-any-origin: false
         allow-null-origin: false
@@ -114,19 +125,23 @@ timely:
         allowed-methods: DELETE,GET,HEAD,OPTIONS,PUT,POST
         allowed-headers: content-type
       http-client-pool:
-        min-idle-per-key: 0
+        min-idle-per-key: 10
         max-idle-per-key: 40
         max-total-per-key: 40
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false
@@ -145,15 +160,19 @@ timely:
         max-idle-per-key: 40
         max-total-per-key: 40
         max-total: -1
-        lifo: true
-        fairness: false
-        max-wait-millis: -1
-        min-evictable-idle-time-millis: 1800000
+        lifo: false
+        fairness: true
+        max-wait-millis: 60000
+        min-evictable-idle-time-millis: -1
         evictor-shutdown-timeout-millis: 10000
-        soft-min-evictable-idle-time-millis: -1
+        soft-min-evictable-idle-time-millis: 300000
         num-tests-per-eviction-run: 3
-        time-between-eviction-runs-millis: -1
+        time-between-eviction-runs-millis: 30000
         block-when-exhausted: true
+        remove-abandoned-on-borrow: false
+        remove-abandoned-on-maintenance: true
+        remove-abandoned-timeout-millis: 600000
+        remove-abandoned-logging: true
         jmx-enabled: true
         test-on-borrow: false
         test-on-return: false

client/pom.xml

@@ -4,13 +4,13 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-client</artifactId>
   <properties>
     <!-- PEP 440 compliant version gets substituted into src/main/python/template/setup.py -->
     <!-- use .dev0 instead of -SNAPSHOT -->
-    <python.client.version>2.2.1.dev0</python.client.version>
+    <python.client.version>2.2.2</python.client.version>
   </properties>
   <dependencies>
     <dependency>

collectd-plugin-parent/src/main/java/timely/collectd/plugin/PooledCloseableHttpClientFactory.java

@@ -1,97 +0,0 @@
-package timely.collectd.plugin;
-
-import org.apache.commons.pool2.PooledObject;
-import org.apache.commons.pool2.PooledObjectFactory;
-import org.apache.commons.pool2.impl.DefaultPooledObject;
-import org.apache.http.client.config.RequestConfig;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClientBuilder;
-import org.collectd.api.OConfigItem;
-
-import java.util.concurrent.TimeUnit;
-
-public class PooledCloseableHttpClientFactory implements PooledObjectFactory<CloseableHttpClient> {
-
-    private int connectionRequestTimeout = 10000; // 10 seconds in milliseconds
-    private int connectTimeout = 30000; // 30 seconds in milliseconds
-    private int socketTimeout = 60000; // 60 seconds in milliseconds
-    private long connectionTimeToLive = 300000; // 300 seconds in milliseconds
-
-    public int config(OConfigItem config) {
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey()) {
-                case "connectionRequestTimeout":
-                case "ConnectionRequestTimeout":
-                    connectionRequestTimeout = Integer.parseInt(child.getValues().get(0).getString());
-                    break;
-                case "connectTimeout":
-                case "ConnectTimeout":
-                    connectTimeout = Integer.parseInt(child.getValues().get(0).getString());
-                    break;
-                case "socketTimeout":
-                case "SocketTimeout":
-                    socketTimeout = Integer.parseInt(child.getValues().get(0).getString());
-                    break;
-                case "connectionTimeToLive":
-                case "ConnectionTimeToLive":
-                    connectionTimeToLive = Long.parseLong(child.getValues().get(0).getString());
-                    break;
-                default:
-            }
-        }
-        return 0;
-    }
-
-    @Override
-    public PooledObject<CloseableHttpClient> makeObject() throws Exception {
-        RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(connectionRequestTimeout).setConnectTimeout(connectTimeout)
-                        .setSocketTimeout(socketTimeout).build();
-        HttpClientBuilder builder = HttpClientBuilder.create();
-        builder.setDefaultRequestConfig(requestConfig);
-        builder.setConnectionTimeToLive(connectionTimeToLive, TimeUnit.MILLISECONDS);
-        return new DefaultPooledObject<>(builder.build());
-    }
-
-    @Override
-    public void destroyObject(PooledObject<CloseableHttpClient> pooledObject) throws Exception {
-        try {
-            pooledObject.getObject().close();
-        } catch (Exception e) {
-            // do nothing
-        } finally {
-            pooledObject.invalidate();
-            ;
-        }
-    }
-
-    @Override
-    public boolean validateObject(PooledObject<CloseableHttpClient> pooledObject) {
-        return pooledObject.getObject() != null;
-    }
-
-    @Override
-    public void activateObject(PooledObject<CloseableHttpClient> pooledObject) throws Exception {
-        // do nothing
-    }
-
-    @Override
-    public void passivateObject(PooledObject<CloseableHttpClient> pooledObject) throws Exception {
-        // do nothing
-    }
-
-    public void setConnectionRequestTimeout(int connectionRequestTimeout) {
-        this.connectionRequestTimeout = connectionRequestTimeout;
-    }
-
-    public void setConnectTimeout(int connectTimeout) {
-        this.connectTimeout = connectTimeout;
-    }
-
-    public void setSocketTimeout(int socketTimeout) {
-        this.socketTimeout = socketTimeout;
-    }
-
-    public void setConnectionTimeToLive(long connectionTimeToLive) {
-        this.connectionTimeToLive = connectionTimeToLive;
-    }
-}

collectd-plugin-parent/src/main/java/timely/collectd/plugin/PooledSocketFactory.java

@@ -1,123 +0,0 @@
-package timely.collectd.plugin;
-
-import org.apache.commons.pool2.PooledObject;
-import org.apache.commons.pool2.PooledObjectFactory;
-import org.apache.commons.pool2.impl.DefaultPooledObject;
-import org.collectd.api.Collectd;
-import org.collectd.api.OConfigItem;
-
-import java.net.Socket;
-
-public class PooledSocketFactory implements PooledObjectFactory<Socket> {
-
-    private String host = null;
-    private int port = 0;
-    private static final long initialBackoff = 2000;
-    private int socketTimeout = 60000; // 60 seconds in milliseconds
-    private long connectionTimeToLive = 300000; // 300 seconds in milliseconds
-
-    public int config(OConfigItem config) {
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey()) {
-                case "host":
-                case "hostname":
-                case "Host":
-                case "HostName":
-                    host = child.getValues().get(0).getString();
-                    break;
-                case "Port":
-                case "port":
-                    port = Integer.parseInt(child.getValues().get(0).getString());
-                    break;
-                case "socketTimeout":
-                case "SocketTimeout":
-                    socketTimeout = Integer.parseInt(child.getValues().get(0).getString());
-                    break;
-                case "connectionTimeToLive":
-                case "ConnectionTimeToLive":
-                    connectionTimeToLive = Long.parseLong(child.getValues().get(0).getString());
-                    break;
-                default:
-
-            }
-        }
-        if (null != host) {
-            return 0;
-        }
-        if (host == null) {
-            Collectd.logError("Timely host must be configured");
-        }
-        if (port == 0) {
-            Collectd.logError("Timely port must be configured");
-        }
-        return -1;
-    }
-
-    private Socket connect() {
-
-        Socket socket = null;
-        long currentBackoff = initialBackoff;
-        while (socket == null) {
-            try {
-                socket = new Socket(host, port);
-                if (socketTimeout > -1) {
-                    socket.setSoTimeout(socketTimeout);
-                }
-                Collectd.logInfo("Connected to Timely at " + host + ":" + port + " from local port:" + socket.getLocalPort());
-            } catch (Exception e) {
-                Collectd.logError("Error connecting to Timely at " + host + ":" + port + ". Error: " + e.getMessage() + ".  Will retry connection in "
-                                + currentBackoff + " ms.");
-                try {
-                    Thread.sleep(currentBackoff);
-                } catch (InterruptedException e1) {
-
-                }
-                // max out reconnect period at one minute
-                currentBackoff = (currentBackoff * 2 > 60000) ? 60000 : currentBackoff * 2;
-            }
-        }
-        return socket;
-    }
-
-    @Override
-    public PooledObject<Socket> makeObject() throws Exception {
-        return new DefaultPooledObject<>(connect());
-    }
-
-    @Override
-    public void destroyObject(PooledObject<Socket> pooledObject) throws Exception {
-        try {
-            Collectd.logDebug("Shutting down connection to Timely at " + host + ":" + port);
-            Socket socket = (Socket) pooledObject.getObject();
-            if (socket != null) {
-                socket.close();
-            }
-        } catch (Exception e) {
-            Collectd.logError("Error closing connection to Timely at " + host + ":" + port + ". Error: " + e.getMessage());
-        } finally {
-            pooledObject.invalidate();
-            ;
-        }
-    }
-
-    @Override
-    public boolean validateObject(PooledObject<Socket> pooledObject) {
-        if (connectionTimeToLive > -1) {
-            if (System.currentTimeMillis() > pooledObject.getCreateTime() + connectionTimeToLive) {
-                return false;
-            }
-        }
-        Socket socket = (Socket) pooledObject.getObject();
-        return socket != null && !socket.isClosed();
-    }
-
-    @Override
-    public void activateObject(PooledObject<Socket> pooledObject) throws Exception {
-        // do nothing
-    }
-
-    @Override
-    public void passivateObject(PooledObject<Socket> pooledObject) throws Exception {
-        // do nothing
-    }
-}

collectd-plugin-parent/src/main/java/timely/collectd/plugin/WriteNSQPlugin.java

@@ -1,161 +0,0 @@
-package timely.collectd.plugin;
-
-import org.apache.commons.pool2.impl.GenericObjectPool;
-import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
-import org.apache.http.HttpStatus;
-import org.apache.http.client.entity.EntityBuilder;
-import org.apache.http.client.methods.CloseableHttpResponse;
-import org.apache.http.client.methods.HttpPost;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.util.EntityUtils;
-import org.collectd.api.Collectd;
-import org.collectd.api.CollectdConfigInterface;
-import org.collectd.api.CollectdShutdownInterface;
-import org.collectd.api.CollectdWriteInterface;
-import org.collectd.api.OConfigItem;
-import org.collectd.api.ValueList;
-
-import java.io.ByteArrayOutputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.Random;
-
-/**
- *
- * CollectD plugin that writes metrics collected by the StatsD plugin to NSQ. NSQ can be configured to write statsd metrics to CollectD. If you do this, set the
- * statsd prefix in NSQ to 'nsq'.
- *
- */
-public class WriteNSQPlugin extends CollectDPluginParent implements CollectdConfigInterface, CollectdShutdownInterface, CollectdWriteInterface {
-
-    private String host = null;
-    private int port = 0;
-    private String topic = "metrics#ephemeral";
-    private String endpoint = null;
-    private GenericObjectPool<CloseableHttpClient> clientPool = null;
-    private Random random = new Random();
-
-    // pool should be limited by the number of WriteThreads configured in
-    // collectd
-    static final private int POOL_MAX_SIZE = Integer.MAX_VALUE;
-
-    public WriteNSQPlugin() {
-        Collectd.registerConfig(WriteNSQPlugin.class.getName(), this);
-        Collectd.registerShutdown(WriteNSQPlugin.class.getName(), this);
-        Collectd.registerWrite(WriteNSQPlugin.class.getName(), this);
-    }
-
-    @Override
-    public int write(ValueList vl) {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        DataOutputStream out = new DataOutputStream(baos);
-        super.process(vl, out);
-        CloseableHttpClient client = null;
-        try {
-            out.flush();
-            HttpPost post = new HttpPost(endpoint);
-            EntityBuilder request = EntityBuilder.create();
-            request.setBinary(baos.toByteArray());
-            post.setEntity(request.build());
-            client = clientPool.borrowObject();
-            CloseableHttpResponse response = client.execute(post);
-            try {
-                int code = response.getStatusLine().getStatusCode();
-                String msg = response.getStatusLine().getReasonPhrase();
-                // Consume the entire response so the connection will be reused
-                EntityUtils.consume(response.getEntity());
-                if (code != HttpStatus.SC_OK) {
-                    Collectd.logInfo("Code: " + code + ", msg: " + msg);
-                }
-            } finally {
-                response.close();
-            }
-        } catch (Exception e) {
-            Collectd.logError("Error sending metrics to NSQ: " + e.getMessage());
-            if (client != null) {
-                try {
-                    client.close();
-                } catch (IOException e1) {}
-                try {
-                    clientPool.invalidateObject(client);
-                    client = null;
-                } catch (Exception e2) {}
-            }
-        } finally {
-            if (client != null) {
-                clientPool.returnObject(client);
-            }
-            try {
-                out.close();
-            } catch (IOException e) {}
-        }
-        return 0;
-    }
-
-    @Override
-    public void write(String metric, OutputStream out) {
-        try {
-            ((DataOutputStream) out).writeBytes(metric);
-        } catch (IOException e) {
-            Collectd.logError("Error writing metric: " + e.getMessage());
-            try {
-                out.close(); // Should cause IOException in write.
-            } catch (IOException e1) {}
-        }
-    }
-
-    @Override
-    public int shutdown() {
-        Collectd.logInfo("Shutting down connection to NSQ at " + host + ":" + port);
-        clientPool.close();
-        return 0;
-    }
-
-    @Override
-    public int config(OConfigItem config) {
-        super.config(config);
-        GenericObjectPoolConfig<CloseableHttpClient> poolConfig = new GenericObjectPoolConfig<>();
-        // use max size for maxTotal and maxIdle
-        // no need to activate or passivate
-        poolConfig.setMaxTotal(POOL_MAX_SIZE);
-        poolConfig.setMaxIdle(POOL_MAX_SIZE);
-        poolConfig.setTestOnReturn(true);
-        PooledCloseableHttpClientFactory pooledCloseableHttpClientFactory = new PooledCloseableHttpClientFactory();
-        pooledCloseableHttpClientFactory.config(config);
-
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey()) {
-                case "host":
-                case "hostname":
-                case "Host":
-                case "HostName":
-                    String hostString = child.getValues().get(0).getString();
-                    String[] hosts = hostString.split(",");
-                    if (hosts.length == 1) {
-                        host = hosts[0];
-                    } else {
-                        host = hosts[random.nextInt(hosts.length)];
-                    }
-                    break;
-                case "Port":
-                case "port":
-                    port = Integer.parseInt(child.getValues().get(0).getString());
-                    break;
-                case "topic":
-                case "Topic":
-                    topic = child.getValues().get(0).getString();
-                    break;
-                default:
-            }
-        }
-        if (host == null || port == 0 || topic == null) {
-            Collectd.logError("NSQ host, port, and topic must be configured");
-            return -1;
-        }
-        this.clientPool = new GenericObjectPool<>(pooledCloseableHttpClientFactory, poolConfig);
-        this.endpoint = "http://" + host + ":" + port + "/mpub?topic=" + topic;
-        return 0;
-    }
-
-}

collectd-plugin-parent/src/main/java/timely/collectd/plugin/WriteTimelyPlugin.java

@@ -1,99 +0,0 @@
-package timely.collectd.plugin;
-
-import org.apache.commons.pool2.impl.GenericObjectPool;
-import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
-import org.collectd.api.Collectd;
-import org.collectd.api.CollectdConfigInterface;
-import org.collectd.api.CollectdShutdownInterface;
-import org.collectd.api.CollectdWriteInterface;
-import org.collectd.api.OConfigItem;
-import org.collectd.api.ValueList;
-
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.PrintWriter;
-import java.net.Socket;
-import java.nio.charset.StandardCharsets;
-
-/**
- *
- * CollectD plugin that writes metrics collected by the StatsD plugin to Timely.
- *
- */
-public class WriteTimelyPlugin extends CollectDPluginParent implements CollectdConfigInterface, CollectdShutdownInterface, CollectdWriteInterface {
-
-    private GenericObjectPool<Socket> socketPool = null;
-
-    // pool should be limited by the number of WriteThreads configured in
-    // collectd
-    static final private int POOL_MAX_SIZE = Integer.MAX_VALUE;
-
-    public WriteTimelyPlugin() {
-        Collectd.registerConfig(WriteTimelyPlugin.class.getName(), this);
-        Collectd.registerShutdown(WriteTimelyPlugin.class.getName(), this);
-        Collectd.registerWrite(WriteTimelyPlugin.class.getName(), this);
-    }
-
-    public int write(ValueList vl) {
-
-        Socket socket = null;
-        try {
-            socket = socketPool.borrowObject();
-            if (socket == null) {
-                return -1;
-            }
-            super.process(vl, socket.getOutputStream());
-        } catch (Exception e) {
-            Collectd.logWarning(e.getMessage());
-            try {
-                // close socket so that the object pool will discard it and
-                // reconnect
-                if (socket != null) {
-                    socket.close();
-                }
-            } catch (IOException e1) {
-                Collectd.logError(e1.getMessage());
-            }
-            return -1;
-        } finally {
-            if (socket != null) {
-                socketPool.returnObject(socket);
-            }
-        }
-        return 0;
-    }
-
-    @Override
-    public void write(String metric, OutputStream out) {
-        PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(out, StandardCharsets.UTF_8), false);
-        printWriter.write(metric);
-        printWriter.flush();
-        if (printWriter.checkError()) {
-            throw new RuntimeException("Error writing to Timely");
-        }
-    }
-
-    public int shutdown() {
-        socketPool.close();
-        return 0;
-    }
-
-    public int config(OConfigItem config) {
-        super.config(config);
-        int retval = 0;
-        PooledSocketFactory socketFactory = new PooledSocketFactory();
-        retval = socketFactory.config(config);
-        if (retval == 0) {
-            GenericObjectPoolConfig<Socket> poolConfig = new GenericObjectPoolConfig<>();
-            // use max size for maxTotal and maxIdle
-            // no need to activate and passivate
-            poolConfig.setMaxTotal(POOL_MAX_SIZE);
-            poolConfig.setMaxIdle(POOL_MAX_SIZE);
-            poolConfig.setTestOnReturn(true);
-            socketPool = new GenericObjectPool<>(socketFactory, poolConfig);
-        }
-        return retval;
-    }
-
-}

collectd-plugin-parent/src/test/java/timely/collectd/plugin/WriteTimelyPluginTest.java

@@ -1,205 +0,0 @@
-package timely.collectd.plugin;
-
-import net.jcip.annotations.NotThreadSafe;
-import org.collectd.api.Collectd;
-import org.collectd.api.DataSet;
-import org.collectd.api.DataSource;
-import org.collectd.api.OConfigItem;
-import org.collectd.api.ValueList;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.powermock.api.easymock.PowerMock;
-import org.powermock.core.classloader.annotations.PowerMockIgnore;
-import org.powermock.core.classloader.annotations.PrepareForTest;
-import org.powermock.modules.junit4.PowerMockRunner;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.ServerSocket;
-import java.net.Socket;
-import java.util.Collections;
-
-@RunWith(PowerMockRunner.class)
-@PrepareForTest({Collectd.class})
-@NotThreadSafe
-@PowerMockIgnore("javax.management.*")
-public class WriteTimelyPluginTest {
-
-    private WriteTimelyPlugin plugin = null;
-    private FakeServer server = null;
-
-    @Before
-    public void setup() throws Exception {
-        PowerMock.suppress(PowerMock.everythingDeclaredIn(Collectd.class));
-        server = new FakeServer();
-    }
-
-    private ValueList createMetric() {
-        ValueList val = new ValueList();
-        val.setHost("r001n01.localdomain");
-        val.setTime(System.currentTimeMillis());
-        val.setPlugin("hddtemp");
-        val.setPluginInstance(null);
-        val.setType("temperature");
-        val.setTypeInstance("sda");
-        val.setValues(Collections.singletonList((Number) new Double(2.0)));
-        DataSet ds = new DataSet("test");
-        ds.addDataSource(new DataSource("test", DataSource.TYPE_COUNTER, 0, 100));
-        val.setDataSet(ds);
-        return val;
-    }
-
-    private void setupPlugin() throws Exception {
-        OConfigItem host = new OConfigItem("Host");
-        host.addValue(server.getHost());
-        OConfigItem port = new OConfigItem("Port");
-        port.addValue(Integer.toString(server.getPort()));
-        OConfigItem config = new OConfigItem("");
-        config.addChild(host);
-        config.addChild(port);
-        plugin = new WriteTimelyPlugin();
-        Assert.assertEquals(0, plugin.config(config));
-        // Seed with one metric to create the connection
-        Assert.assertEquals(0, plugin.write(createMetric()));
-        Thread.sleep(100);
-        Assert.assertTrue(server.messageReceived());
-    }
-
-    @Test
-    public void testWrite() throws Exception {
-        Thread t = new Thread(server);
-        t.start();
-        setupPlugin();
-        while (!server.ready()) {
-            Thread.sleep(1000);
-        }
-        Assert.assertEquals(0, plugin.write(createMetric()));
-        Thread.sleep(100);
-        Assert.assertTrue(server.messageReceived());
-        plugin.shutdown();
-        server.shutdown();
-        t.join();
-    }
-
-    @Test
-    public void testWriteAfterServerRestart() throws Exception {
-        Thread t = new Thread(server);
-        t.start();
-        setupPlugin();
-        while (!server.ready()) {
-            Thread.sleep(1000);
-        }
-        Assert.assertEquals(0, plugin.write(createMetric()));
-        Thread.sleep(100);
-        Assert.assertTrue(server.messageReceived());
-        server.shutdown();
-        t.join();
-        Thread.sleep(2000);
-
-        server.create();
-        Thread t2 = new Thread(server);
-        t2.start();
-        // Need to call this again because the server is not guaranteed to be
-        // listening on the same local port as the first time that it was
-        // started
-        setupPlugin();
-        while (!server.ready()) {
-            Thread.sleep(1000);
-            // Keep sending metrics to plugin to force reconnect
-            int result = plugin.write(createMetric());
-            System.out.println("Wrote to client, result: " + result);
-            Assert.assertEquals(0, result);
-        }
-        Assert.assertEquals(0, plugin.write(createMetric()));
-        Thread.sleep(1000);
-        Assert.assertTrue(server.messageReceived());
-        plugin.shutdown();
-        server.shutdown();
-        t2.join();
-    }
-
-    private static class FakeServer implements Runnable {
-
-        private ServerSocket server = null;
-        private BufferedReader reader = null;
-        private String host = null;
-        private int port = 0;
-        private Socket s = null;
-        private boolean received = false;
-
-        public FakeServer() throws Exception {
-            create();
-        }
-
-        public void create() throws Exception {
-            server = new ServerSocket(port);
-            server.setReceiveBufferSize(8192);
-            host = server.getInetAddress().getHostAddress();
-            port = server.getLocalPort();
-            System.out.println("Local port " + port);
-        }
-
-        public String getHost() {
-            return host;
-        }
-
-        public int getPort() {
-            return port;
-        }
-
-        public void shutdown() throws Exception {
-            System.out.println("Closing server.");
-            s.close();
-            s = null;
-            reader.close();
-            reader = null;
-            server.close();
-            server = null;
-        }
-
-        public boolean ready() throws Exception {
-            return (s != null && s.isConnected());
-        }
-
-        synchronized public boolean messageReceived() {
-            try {
-                return Boolean.valueOf(this.received);
-            } finally {
-                this.received = false;
-            }
-        }
-
-        @Override
-        public void run() {
-            try {
-                s = server.accept();
-                System.out.println("Client connected.");
-                reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
-                while (server != null && !server.isClosed() && s != null && s.isConnected()) {
-                    String line;
-                    try {
-                        line = reader.readLine();
-                    } catch (Exception e) {
-                        // Might have been closed
-                        System.out.println("Closed by Exception: " + e.getMessage());
-                        return;
-                    }
-                    if (null != line) {
-                        synchronized (this) {
-                            this.received = true;
-                        }
-                        System.out.println(line);
-                    }
-                }
-            } catch (IOException e) {
-                Assert.fail(e.getMessage());
-            }
-            System.out.println("Exiting run method.");
-        }
-
-    }
-
-}

collectd/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-collectd</artifactId>
   <dependencies>
@@ -12,6 +12,14 @@
       <groupId>collectd</groupId>
       <artifactId>collectd-api</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-pool2</artifactId>

collectd/src/main/java/timely/collectd/plugin/CollectDPluginParent.java

@@ -1,9 +1,13 @@
 package timely.collectd.plugin;
 
+import static org.slf4j.event.Level.DEBUG;
+import static org.slf4j.event.Level.WARN;
+
 import java.io.OutputStream;
 import java.text.MessageFormat;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.regex.Matcher;
@@ -11,15 +15,11 @@ import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
-import org.collectd.api.Collectd;
-import org.collectd.api.OConfigItem;
-import org.collectd.api.ValueList;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.apache.commons.lang3.tuple.Pair;
 
 import timely.util.Exclusions;
 
-public abstract class CollectDPluginParent {
+public abstract class CollectDPluginParent implements WritesMetrics, PluginLogger {
 
     private static final String PUT = "put {0} {1} {2} {3}";
     private static final String INSTANCE = "instance";
@@ -27,13 +27,8 @@ public abstract class CollectDPluginParent {
     private static final String SAMPLE_TYPE = "sampleType";
     private static final String CODE = "code";
     private static final String PERIOD = ".";
-    private static final String COUNTER = "COUNTER";
-    private static final String GAUGE = "GAUGE";
-    private static final String DERIVE = "DERIVE";
-    private static final String ABSOLUTE = "ABSOLUTE";
     private static final Collection<String> HADOOP_CONTEXTS = Arrays.asList("NameNode", "DataNode", "JobManager", "NodeManager", "JobHistoryServer",
-                    "ResourceManager", "MRAppMaster");
-    private static final Pattern HADOOP_PATTERN_4_GROUPS = Pattern.compile("([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)");
+                    "ResourceManager", "MRAppMaster", "JvmMetrics", "MapTask", "ReduceTask");
     private static final Pattern STATSD_PATTERN_3_GROUPS = Pattern.compile("([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)");
     private static final Pattern STATSD_PATTERN_4_GROUPS = Pattern.compile("([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)");
     private static final Pattern STATSD_PATTERN_6_GROUPS = Pattern.compile("([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_]+)\\.([\\w-_#]+)\\.([\\w-_]+)");
@@ -44,33 +39,32 @@ public abstract class CollectDPluginParent {
     private static final String STATSD_PREFIX = "statsd";
     private static final String NSQ_PREFIX = STATSD_PREFIX + ".nsq.";
     private static final Pattern HAPROXY_PATTERN = Pattern.compile("\\[([\\w-_=]+),([\\w-_=]+)\\]");
-    private static final Logger log = LoggerFactory.getLogger(CollectDPluginParent.class);
 
     private final SMARTCodeMapping smart = new SMARTCodeMapping();
-    protected Map<String,String> addlTags = new TreeMap<>();
+    protected Map<String,String> additionalTags = new TreeMap<>();
     private boolean debug = false;
     private Exclusions exclusions = new Exclusions();
 
-    public int config(OConfigItem config) {
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey().toLowerCase()) {
+    public int config(Map<String,Object> configMap) {
+        for (Map.Entry<String,Object> entry : configMap.entrySet()) {
+            switch (entry.getKey().toLowerCase()) {
                 case "tags":
-                    String tagValue = child.getValues().get(0).getString();
+                    String tagValue = (String) entry.getValue();
                     Arrays.stream(tagValue.split(",")).map(String::trim).forEach(p -> {
                         String[] pair = p.split("=");
                         if (pair.length == 2) {
-                            addTag(addlTags, pair[0], pair[1]);
+                            addTag(additionalTags, pair[0], pair[1]);
                         }
                     });
                     break;
                 case "filteredmetricsfile":
-                    setFilteredMetricsFile(child.getValues().get(0).getString());
+                    setFilteredMetricsFile((String) entry.getValue());
                     break;
                 case "filteredtagsfile":
-                    setFilteredTagsFile(child.getValues().get(0).getString());
+                    setFilteredTagsFile((String) entry.getValue());
                     break;
                 case "debug":
-                    debug = child.getValues().get(0).getBoolean();
+                    debug = (Boolean) entry.getValue();
                     break;
                 default:
             }
@@ -78,6 +72,10 @@ public abstract class CollectDPluginParent {
         return 0;
     }
 
+    public void setAdditionalTags(Map<String,String> additionalTags) {
+        this.additionalTags = additionalTags;
+    }
+
     public void setFilteredMetricsFile(String filteredMetricsFile) {
         if (StringUtils.isNotBlank(filteredMetricsFile)) {
             exclusions.setFilteredMetricsFile(filteredMetricsFile);
@@ -109,22 +107,12 @@ public abstract class CollectDPluginParent {
         }
     }
 
-    public void process(ValueList vl, OutputStream out) {
-        try {
-            processInternal(vl, out);
-        } catch (Exception e) {
-            Collectd.logError(e.getMessage());
-            e.printStackTrace(System.err);
-        }
-    }
-
-    private void processInternal(ValueList vl, OutputStream out) {
-        debugValueList(vl);
-
+    public void process(MetricData metricData, OutputStream out) {
+        debugMetricData(metricData);
         StringBuilder metric = new StringBuilder();
-        Long timestamp = vl.getTime();
         Map<String,String> tagMap = new TreeMap<>();
-        String host = vl.getHost();
+
+        String host = metricData.getHost();
         int idx = host.indexOf(PERIOD);
         if (-1 != idx) {
             addTag(tagMap, "host", host.substring(0, idx));
@@ -136,16 +124,16 @@ public abstract class CollectDPluginParent {
         if (-1 != nIdx) {
             addTag(tagMap, "rack", hostSplit[0].substring(0, nIdx));
         }
-        tagMap.putAll(addlTags);
+        tagMap.putAll(additionalTags);
 
-        String plugin = vl.getPlugin();
-        String pluginInstance = vl.getPluginInstance();
-        String type = vl.getType();
-        String typeInstance = vl.getTypeInstance();
+        String plugin = metricData.getPlugin();
+        String pluginInstance = metricData.getPluginInstance();
+        String type = metricData.getType();
+        String typeInstance = metricData.getTypeInstance();
+        List<Pair<Double,String>> values = metricData.getValuePairs();
 
         switch (plugin) {
             case STATSD_PREFIX:
-                Matcher hadoop_4_groups = HADOOP_PATTERN_4_GROUPS.matcher(typeInstance);
                 Matcher statsd_3_groups = STATSD_PATTERN_3_GROUPS.matcher(typeInstance);
                 Matcher statsd_4_groups = STATSD_PATTERN_4_GROUPS.matcher(typeInstance);
                 Matcher statsd_6_groups = STATSD_PATTERN_6_GROUPS.matcher(typeInstance);
@@ -153,7 +141,7 @@ public abstract class CollectDPluginParent {
                 boolean defaultCase = false;
                 if (!typeInstance.startsWith("nsq")) {
                     String[] parts = typeInstance.split("\\.");
-                    if (parts.length >= 4 && (HADOOP_CONTEXTS.contains(parts[0]) || hadoop_4_groups.matches())) {
+                    if (parts.length >= 4 && HADOOP_CONTEXTS.contains(parts[0])) {
                         // Here we are processing the statsd metrics coming from the Hadoop Metrics2 StatsDSink without the host name.
                         // The format of metric is: serviceName.contextName.recordName.metricName
                         // The serviceName is used as the instance.
@@ -187,18 +175,22 @@ public abstract class CollectDPluginParent {
                         int x = typeInstance.indexOf(".");
                         metric.append(STATSD_PREFIX).append(PERIOD).append(typeInstance.substring(x + 1));
                         addTag(tagMap, "queryId", parts[0]);
-                    } else if (parts.length % 2 == 1) {
-                        // EtsyStatsD format -- metric.(tagName.tagValue)*
-                        metric.append(STATSD_PREFIX).append(PERIOD).append(parts[0]);
-                        for (int x = 1; x < parts.length; x += 2) {
-                            addTag(tagMap, parts[x], parts[x + 1]);
-                        }
                     } else if (statsd_4_groups.matches()) {
                         // Here we are processing the statsd metrics coming from the Hadoop Metrics2 StatsDSink without the host name.
                         // The format of metric is: serviceName.contextName.recordName.metricName. The recordName is typically duplicative
                         // and is dropped here. The serviceName is used as the instance.
                         metric.append(STATSD_PREFIX).append(PERIOD).append(statsd_4_groups.group(2)).append(PERIOD).append(statsd_4_groups.group(4));
                         instance = statsd_4_groups.group(1);
+                    } else if (parts.length >= 1) {
+                        // EtsyStatsD format -- metric.(tagName.tagValue)*
+                        // Will handle all key.value pairs and truncate at the end if line was malformed or truncated
+                        metric.append(STATSD_PREFIX).append(PERIOD).append(parts[0]);
+                        for (int x = 1; x + 1 < parts.length; x += 2) {
+                            addTag(tagMap, parts[x], parts[x + 1]);
+                        }
+                        if (parts.length % 2 == 0) {
+                            log(DEBUG, String.format("Using available tags from malformed/truncated line %s", typeInstance));
+                        }
                     } else {
                         defaultCase = true;
                     }
@@ -304,10 +296,10 @@ public abstract class CollectDPluginParent {
                 break;
             case "haproxy":
                 metric.append("sys.haproxy.").append(typeInstance);
-                Matcher hadoop_m2 = HAPROXY_PATTERN.matcher(pluginInstance);
-                if (hadoop_m2.matches()) {
-                    addTag(tagMap, hadoop_m2.group(1));
-                    addTag(tagMap, hadoop_m2.group(2));
+                Matcher haproxy_m = HAPROXY_PATTERN.matcher(pluginInstance);
+                if (haproxy_m.matches()) {
+                    addTag(tagMap, haproxy_m.group(1));
+                    addTag(tagMap, haproxy_m.group(2));
                 }
                 break;
             case "ipmi":
@@ -319,7 +311,9 @@ public abstract class CollectDPluginParent {
                 metric.append("sys.load.").append(plugin).append(PERIOD).append(type);
                 // plugin returns 1 min, 5 min, 15 min averages, but Timely can
                 // downsample on its own so we only use the first (1 min) value
-                vl.setValues(Arrays.asList(vl.getValues().get(0)));
+                Pair<Double,String> first = values.get(0);
+                values.clear();
+                values.add(first);
                 break;
             case "GenericJMX":
                 metric.append("sys.").append(plugin).append(PERIOD).append(type).append(PERIOD).append(typeInstance);
@@ -343,82 +337,59 @@ public abstract class CollectDPluginParent {
                 } else if (notEmpty(type) && notEmpty(plugin)) {
                     metric.append("sys.").append(plugin).append(PERIOD).append(type);
                 } else {
-                    Collectd.logWarning("Unhandled metric: " + vl);
+                    log(WARN, "Unhandled metric: " + metricData);
                     return;
                 }
                 break;
         }
         final String metricName = metric.toString().replaceAll(" ", "_");
-        for (int i = 0; i < vl.getValues().size(); i++) {
-            int dataSourceSampleType = vl.getDataSet().getDataSources().get(i).getType();
-            String sampleType = convertType(dataSourceSampleType);
-            if (null != sampleType) {
-                addTag(tagMap, SAMPLE_TYPE, sampleType);
-            }
-            Double value = vl.getValues().get(i).doubleValue();
+        for (Pair<Double,String> pair : values) {
+            addTag(tagMap, SAMPLE_TYPE, pair.getRight());
+            Double value = pair.getLeft();
+            Long timestamp = metricData.getTimestamp();
             String tagString = tagMap.entrySet().stream().map(e -> e.getKey() + "=" + e.getValue()).collect(Collectors.joining(" "));
 
             if (metricName.isBlank() || timestamp == null || value == null) {
-                logDebug(String.format("Not writing unhandled metric: plugin:%s pluginInstance:%s type:%s typeInstance:%s", plugin, pluginInstance, type,
+                log(DEBUG, String.format("Not writing unhandled metric: plugin:%s pluginInstance:%s type:%s typeInstance:%s", plugin, pluginInstance, type,
                                 typeInstance));
             } else {
                 String datapoint = MessageFormat.format(PUT, metricName, timestamp.toString(), value.toString(), tagString);
                 if (exclusions.filterMetric(datapoint)) {
-                    logDebug(String.format("Not writing excluded metric: %s", datapoint));
+                    log(DEBUG, String.format("Not writing excluded metric: %s", datapoint));
                 } else {
                     datapoint = exclusions.filterExcludedTags(datapoint);
-                    logDebug(String.format("Writing: %s", datapoint));
+                    log(DEBUG, String.format("Writing: %s", datapoint));
                     write(datapoint + "\n", out);
                 }
             }
         }
     }
 
-    private void logDebug(String s) {
-        // collectd must be compiled with debug enabled in order for log level debug to work
-        if (debug) {
-            Collectd.logInfo(s);
-        } else {
-            Collectd.logDebug(s);
-        }
-    }
-
-    private void debugValueList(ValueList vl) {
+    private void debugMetricData(MetricData metricData) {
         try {
             StringBuilder sb = new StringBuilder();
-            sb.append(String.format("Plugin:%s", vl.getPlugin()));
-            if (vl.getPluginInstance() != null && !vl.getPluginInstance().isBlank()) {
-                sb.append(String.format(" PluginInstance:%s", vl.getPluginInstance()));
+            sb.append(String.format("Plugin:%s", metricData.getPlugin()));
+            if (metricData.getPluginInstance() != null && !metricData.getPluginInstance().isBlank()) {
+                sb.append(String.format(" PluginInstance:%s", metricData.getPluginInstance()));
             }
-            sb.append(String.format(" Type:%s", vl.getType()));
-            sb.append(String.format(" TypeInstance:%s", vl.getTypeInstance()));
-            for (int i = 0; i < vl.getValues().size(); i++) {
-                Number value = vl.getValues().get(i);
-                sb.append(String.format(" Value:%s", value.toString()));
+            sb.append(String.format(" Type:%s", metricData.getType()));
+            sb.append(String.format(" TypeInstance:%s", metricData.getTypeInstance()));
+            for (int i = 0; i < metricData.getValuePairs().size(); i++) {
+                Pair<Double,String> value = metricData.getValuePairs().get(i);
+                sb.append(String.format(" Value:%s", value.getLeft().toString()));
             }
-            logDebug(sb.toString());
+            log(DEBUG, sb.toString());
         } catch (Exception e) {
             e.printStackTrace();
-            logDebug(e.getMessage());
-        }
-    }
-
-    private String convertType(int type) {
-        switch (type) {
-            case 0:
-                return COUNTER;
-            case 1:
-                return GAUGE;
-            case 2:
-                return DERIVE;
-            case 3:
-                return ABSOLUTE;
-            default:
-                return GAUGE;
+            log(DEBUG, e.getMessage());
         }
     }
 
     private boolean notEmpty(String arg) {
         return (null != arg) && !(arg.equals(""));
     }
+
+    public boolean isDebug() {
+        return debug;
+    }
 }

collectd/src/main/java/timely/collectd/plugin/MetricData.java

@@ -0,0 +1,133 @@
+package timely.collectd.plugin;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.tuple.Pair;
+import org.collectd.api.ValueList;
+
+public class MetricData {
+
+    public static final String COUNTER = "COUNTER";
+    public static final String GAUGE = "GAUGE";
+    public static final String DERIVE = "DERIVE";
+    public static final String ABSOLUTE = "ABSOLUTE";
+
+    private Long timestamp;
+    private String host;
+    private String plugin;
+    private String pluginInstance;
+    private String type;
+    private String typeInstance;
+    private List<Pair<Double,String>> valuePairs = new ArrayList<>();
+
+    public MetricData(Long timestamp, String host, String plugin, String pluginInstance, String type, String typeInstance, List<Double> values,
+                    List<String> valueTypes) {
+        this.timestamp = timestamp;
+        this.host = host;
+        this.plugin = plugin;
+        this.pluginInstance = pluginInstance;
+        this.type = type;
+        this.typeInstance = typeInstance;
+        for (int x = 0; x < values.size(); x++) {
+            Double value = values.get(x);
+            String valueType = valueTypes.size() > x ? valueTypes.get(x) : "GAUGE";
+            valuePairs.add(Pair.of(value, valueType));
+        }
+    }
+
+    public MetricData(ValueList vl) {
+        this.timestamp = vl.getTime();
+        this.host = vl.getHost();
+        this.plugin = vl.getPlugin();
+        this.pluginInstance = vl.getPluginInstance();
+        this.type = vl.getType();
+        this.typeInstance = vl.getTypeInstance();
+        List<Number> valueList = vl.getValues();
+        List<String> valueTypes = vl.getDataSet().getDataSources().stream().map(ds -> convertType(ds.getType())).collect(Collectors.toList());
+        for (int x = 0; x < vl.getValues().size(); x++) {
+            Number n = valueList.get(x);
+            String type = valueTypes.size() > x ? valueTypes.get(x) : "GAUGE";
+            valuePairs.add(Pair.of(n.doubleValue(), type));
+        }
+    }
+
+    public Long getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(Long timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    public String getPlugin() {
+        return plugin;
+    }
+
+    public void setPlugin(String plugin) {
+        this.plugin = plugin;
+    }
+
+    public String getPluginInstance() {
+        return pluginInstance;
+    }
+
+    public void setPluginInstance(String pluginInstance) {
+        this.pluginInstance = pluginInstance;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public String getTypeInstance() {
+        return typeInstance;
+    }
+
+    public void setTypeInstance(String typeInstance) {
+        this.typeInstance = typeInstance;
+    }
+
+    public List<Pair<Double,String>> getValuePairs() {
+        return valuePairs;
+    }
+
+    public void setValuePairs(List<Pair<Double,String>> valuePairs) {
+        this.valuePairs = valuePairs;
+    }
+
+    public static String convertType(int type) {
+        switch (type) {
+            case 0:
+                return COUNTER;
+            case 1:
+                return GAUGE;
+            case 2:
+                return DERIVE;
+            case 3:
+                return ABSOLUTE;
+            default:
+                return GAUGE;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this).append("timestamp", timestamp).append("host", host).append("plugin", plugin).append("pluginInstance", pluginInstance)
+                        .append("type", type).append("typeInstance", typeInstance).append("valuePairs", valuePairs).toString();
+    }
+}

collectd/src/main/java/timely/collectd/plugin/PluginLogger.java

@@ -0,0 +1,8 @@
+package timely.collectd.plugin;
+
+import org.slf4j.event.Level;
+
+public interface PluginLogger {
+
+    void log(Level level, String s);
+}

collectd/src/main/java/timely/collectd/plugin/PooledCloseableHttpClientFactory.java

@@ -1,5 +1,6 @@
 package timely.collectd.plugin;
 
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
 import org.apache.commons.pool2.PooledObject;
@@ -8,7 +9,6 @@ import org.apache.commons.pool2.impl.DefaultPooledObject;
 import org.apache.http.client.config.RequestConfig;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
-import org.collectd.api.OConfigItem;
 
 public class PooledCloseableHttpClientFactory implements PooledObjectFactory<CloseableHttpClient> {
 
@@ -17,24 +17,25 @@ public class PooledCloseableHttpClientFactory implements PooledObjectFactory<Clo
     private int socketTimeout = 60000; // 60 seconds in milliseconds
     private long connectionTimeToLive = 300000; // 300 seconds in milliseconds
 
-    public int config(OConfigItem config) {
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey()) {
+    public int config(Map<String,Object> configMap) {
+        for (Map.Entry<String,Object> entry : configMap.entrySet()) {
+            Object value = entry.getValue();
+            switch (entry.getKey()) {
                 case "connectionRequestTimeout":
                 case "ConnectionRequestTimeout":
-                    connectionRequestTimeout = Integer.parseInt(child.getValues().get(0).getString());
+                    connectionRequestTimeout = Integer.parseInt((String) value);
                     break;
                 case "connectTimeout":
                 case "ConnectTimeout":
-                    connectTimeout = Integer.parseInt(child.getValues().get(0).getString());
+                    connectTimeout = Integer.parseInt((String) value);
                     break;
                 case "socketTimeout":
                 case "SocketTimeout":
-                    socketTimeout = Integer.parseInt(child.getValues().get(0).getString());
+                    socketTimeout = Integer.parseInt((String) value);
                     break;
                 case "connectionTimeToLive":
                 case "ConnectionTimeToLive":
-                    connectionTimeToLive = Long.parseLong(child.getValues().get(0).getString());
+                    connectionTimeToLive = Long.parseLong((String) value);
                     break;
                 default:
             }

collectd/src/main/java/timely/collectd/plugin/PooledSocketFactory.java

@@ -1,12 +1,12 @@
 package timely.collectd.plugin;
 
 import java.net.Socket;
+import java.util.Map;
 
 import org.apache.commons.pool2.PooledObject;
 import org.apache.commons.pool2.PooledObjectFactory;
 import org.apache.commons.pool2.impl.DefaultPooledObject;
 import org.collectd.api.Collectd;
-import org.collectd.api.OConfigItem;
 
 public class PooledSocketFactory implements PooledObjectFactory<Socket> {
 
@@ -16,26 +16,27 @@ public class PooledSocketFactory implements PooledObjectFactory<Socket> {
     private int socketTimeout = 60000; // 60 seconds in milliseconds
     private long connectionTimeToLive = 300000; // 300 seconds in milliseconds
 
-    public int config(OConfigItem config) {
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey()) {
+    public int config(Map<String,Object> configMap) {
+        for (Map.Entry<String,Object> entry : configMap.entrySet()) {
+            Object value = entry.getValue();
+            switch (entry.getKey()) {
                 case "host":
                 case "hostname":
                 case "Host":
                 case "HostName":
-                    host = child.getValues().get(0).getString();
+                    host = (String) value;
                     break;
                 case "Port":
                 case "port":
-                    port = Integer.parseInt(child.getValues().get(0).getString());
+                    port = Integer.parseInt((String) value);
                     break;
                 case "socketTimeout":
                 case "SocketTimeout":
-                    socketTimeout = Integer.parseInt(child.getValues().get(0).getString());
+                    socketTimeout = Integer.parseInt((String) value);
                     break;
                 case "connectionTimeToLive":
                 case "ConnectionTimeToLive":
-                    connectionTimeToLive = Long.parseLong(child.getValues().get(0).getString());
+                    connectionTimeToLive = Long.parseLong((String) value);
                     break;
                 default:
 

collectd/src/main/java/timely/collectd/plugin/WriteNSQPlugin.java

@@ -4,6 +4,8 @@ import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Random;
 
 import org.apache.commons.pool2.impl.GenericObjectPool;
@@ -19,7 +21,9 @@ import org.collectd.api.CollectdConfigInterface;
 import org.collectd.api.CollectdShutdownInterface;
 import org.collectd.api.CollectdWriteInterface;
 import org.collectd.api.OConfigItem;
+import org.collectd.api.OConfigValue;
 import org.collectd.api.ValueList;
+import org.slf4j.event.Level;
 
 /**
  *
@@ -46,14 +50,28 @@ public class WriteNSQPlugin extends CollectDPluginParent implements CollectdConf
         Collectd.registerWrite(WriteNSQPlugin.class.getName(), this);
     }
 
+    @Override
+    public void write(MetricData metricData) {
+        try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); DataOutputStream out = new DataOutputStream(baos)) {
+            super.process(metricData, out);
+            out.flush();
+            send(baos);
+        } catch (Exception e) {
+            Collectd.logError("Error sending metrics to NSQ: " + e.getMessage());
+        }
+    }
+
     @Override
     public int write(ValueList vl) {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        DataOutputStream out = new DataOutputStream(baos);
-        super.process(vl, out);
+        MetricData metricData = new MetricData(vl);
+        write(metricData);
+        return 0;
+    }
+
+    private int send(ByteArrayOutputStream baos) {
+
         CloseableHttpClient client = null;
         try {
-            out.flush();
             HttpPost post = new HttpPost(endpoint);
             EntityBuilder request = EntityBuilder.create();
             request.setBinary(baos.toByteArray());
@@ -86,9 +104,6 @@ public class WriteNSQPlugin extends CollectDPluginParent implements CollectdConf
             if (client != null) {
                 clientPool.returnObject(client);
             }
-            try {
-                out.close();
-            } catch (IOException e) {}
         }
         return 0;
     }
@@ -114,23 +129,22 @@ public class WriteNSQPlugin extends CollectDPluginParent implements CollectdConf
 
     @Override
     public int config(OConfigItem config) {
-        super.config(config);
-        GenericObjectPoolConfig<CloseableHttpClient> poolConfig = new GenericObjectPoolConfig<>();
-        // use max size for maxTotal and maxIdle
-        // no need to activate or passivate
-        poolConfig.setMaxTotal(POOL_MAX_SIZE);
-        poolConfig.setMaxIdle(POOL_MAX_SIZE);
-        poolConfig.setTestOnReturn(true);
-        PooledCloseableHttpClientFactory pooledCloseableHttpClientFactory = new PooledCloseableHttpClientFactory();
-        pooledCloseableHttpClientFactory.config(config);
-
-        for (OConfigItem child : config.getChildren()) {
-            switch (child.getKey()) {
+        Map<String,Object> configMap = new HashMap<>();
+        for (OConfigItem c : config.getChildren()) {
+            String key = c.getKey();
+            OConfigValue value = c.getValues().get(0);
+            int type = value.getType();
+            if (type == 0) {
+                configMap.put(key, value.getString());
+            } else if (type == 1) {
+                configMap.put(key, value.getNumber());
+            } else if (type == 2) {
+                configMap.put(key, value.getBoolean());
+            }
+            switch (key.toLowerCase()) {
                 case "host":
                 case "hostname":
-                case "Host":
-                case "HostName":
-                    String hostString = child.getValues().get(0).getString();
+                    String hostString = value.getString();
                     String[] hosts = hostString.split(",");
                     if (hosts.length == 1) {
                         host = hosts[0];
@@ -138,24 +152,49 @@ public class WriteNSQPlugin extends CollectDPluginParent implements CollectdConf
                         host = hosts[random.nextInt(hosts.length)];
                     }
                     break;
-                case "Port":
                 case "port":
-                    port = Integer.parseInt(child.getValues().get(0).getString());
+                    port = Integer.parseInt(value.getString());
                     break;
                 case "topic":
-                case "Topic":
-                    topic = child.getValues().get(0).getString();
+                    topic = value.getString();
                     break;
                 default:
             }
         }
+
+        GenericObjectPoolConfig<CloseableHttpClient> poolConfig = new GenericObjectPoolConfig<>();
+        // use max size for maxTotal and maxIdle
+        // no need to activate or passivate
+        poolConfig.setMaxTotal(POOL_MAX_SIZE);
+        poolConfig.setMaxIdle(POOL_MAX_SIZE);
+        poolConfig.setTestOnReturn(true);
+        PooledCloseableHttpClientFactory pooledCloseableHttpClientFactory = new PooledCloseableHttpClientFactory();
+        pooledCloseableHttpClientFactory.config(configMap);
+
         if (host == null || port == 0 || topic == null) {
             Collectd.logError("NSQ host, port, and topic must be configured");
             return -1;
         }
         this.clientPool = new GenericObjectPool<>(pooledCloseableHttpClientFactory, poolConfig);
         this.endpoint = "http://" + host + ":" + port + "/mpub?topic=" + topic;
+        super.config(configMap);
         return 0;
     }
 
+    public void log(Level level, String s) {
+        // collectd must be compiled with debug enabled in order for log level debug to work
+        if (isDebug()) {
+            Collectd.logInfo(s);
+        } else {
+            if (level.equals(Level.DEBUG)) {
+                Collectd.logDebug(s);
+            } else if (level.equals(Level.INFO)) {
+                Collectd.logInfo(s);
+            } else if (level.equals(Level.WARN)) {
+                Collectd.logWarning(s);
+            } else if (level.equals(Level.ERROR)) {
+                Collectd.logError(s);
+            }
+        }
+    }
 }

collectd/src/main/java/timely/collectd/plugin/WriteTimelyPlugin.java

@@ -6,6 +6,8 @@ import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.net.Socket;
 import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.apache.commons.pool2.impl.GenericObjectPool;
 import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
@@ -14,7 +16,9 @@ import org.collectd.api.CollectdConfigInterface;
 import org.collectd.api.CollectdShutdownInterface;
 import org.collectd.api.CollectdWriteInterface;
 import org.collectd.api.OConfigItem;
+import org.collectd.api.OConfigValue;
 import org.collectd.api.ValueList;
+import org.slf4j.event.Level;
 
 /**
  *
@@ -35,15 +39,15 @@ public class WriteTimelyPlugin extends CollectDPluginParent implements CollectdC
         Collectd.registerWrite(WriteTimelyPlugin.class.getName(), this);
     }
 
-    public int write(ValueList vl) {
-
+    @Override
+    public void write(MetricData metricData) {
         Socket socket = null;
         try {
             socket = socketPool.borrowObject();
             if (socket == null) {
-                return -1;
+                return;
             }
-            super.process(vl, socket.getOutputStream());
+            super.process(metricData, socket.getOutputStream());
         } catch (Exception e) {
             Collectd.logWarning(e.getMessage());
             try {
@@ -55,12 +59,16 @@ public class WriteTimelyPlugin extends CollectDPluginParent implements CollectdC
             } catch (IOException e1) {
                 Collectd.logError(e1.getMessage());
             }
-            return -1;
         } finally {
             if (socket != null) {
                 socketPool.returnObject(socket);
             }
         }
+    }
+
+    public int write(ValueList vl) {
+        MetricData metricData = new MetricData(vl);
+        write(metricData);
         return 0;
     }
 
@@ -80,10 +88,23 @@ public class WriteTimelyPlugin extends CollectDPluginParent implements CollectdC
     }
 
     public int config(OConfigItem config) {
-        super.config(config);
-        int retval = 0;
+        Map<String,Object> configMap = new HashMap<>();
+        for (OConfigItem c : config.getChildren()) {
+            String key = c.getKey();
+            OConfigValue value = c.getValues().get(0);
+            int type = value.getType();
+            if (type == 0) {
+                configMap.put(key, value.getString());
+            } else if (type == 1) {
+                configMap.put(key, value.getNumber());
+            } else if (type == 2) {
+                configMap.put(key, value.getBoolean());
+            }
+        }
+
+        int retval;
         PooledSocketFactory socketFactory = new PooledSocketFactory();
-        retval = socketFactory.config(config);
+        retval = socketFactory.config(configMap);
         if (retval == 0) {
             GenericObjectPoolConfig<Socket> poolConfig = new GenericObjectPoolConfig<>();
             // use max size for maxTotal and maxIdle
@@ -93,7 +114,24 @@ public class WriteTimelyPlugin extends CollectDPluginParent implements CollectdC
             poolConfig.setTestOnReturn(true);
             socketPool = new GenericObjectPool<>(socketFactory, poolConfig);
         }
+        super.config(configMap);
         return retval;
     }
 
+    public void log(Level level, String s) {
+        // collectd must be compiled with debug enabled in order for log level debug to work
+        if (isDebug()) {
+            Collectd.logInfo(s);
+        } else {
+            if (level.equals(Level.DEBUG)) {
+                Collectd.logDebug(s);
+            } else if (level.equals(Level.INFO)) {
+                Collectd.logInfo(s);
+            } else if (level.equals(Level.WARN)) {
+                Collectd.logWarning(s);
+            } else if (level.equals(Level.ERROR)) {
+                Collectd.logError(s);
+            }
+        }
+    }
 }

collectd/src/main/java/timely/collectd/plugin/WritesMetrics.java

@@ -0,0 +1,6 @@
+package timely.collectd.plugin;
+
+public interface WritesMetrics {
+
+    void write(MetricData metricData);
+}

collectd/src/main/spotbugs/excludes.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<FindBugsFilter>
+  <Match>
+    <Class name="timely.collectd.plugin.MetricData" />
+    <Bug pattern="EI_EXPOSE_REP" />
+  </Match>
+  <Match>
+    <Class name="timely.collectd.plugin.MetricData" />
+    <Bug pattern="EI_EXPOSE_REP2" />
+  </Match>
+  <Match>
+    <Class name="timely.collectd.plugin.CollectDPluginParent" />
+    <Bug pattern="EI_EXPOSE_REP2" />
+  </Match>
+</FindBugsFilter>

collectd/src/test/java/timely/collectd/plugin/PluginParentTest.java

@@ -17,6 +17,9 @@ import org.powermock.api.easymock.PowerMock;
 import org.powermock.core.classloader.annotations.PowerMockIgnore;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.event.Level;
 
 @RunWith(PowerMockRunner.class)
 @PowerMockIgnore("jdk.internal.reflect.*")
@@ -24,9 +27,10 @@ import org.powermock.modules.junit4.PowerMockRunner;
 public class PluginParentTest {
 
     public class TestPlugin extends CollectDPluginParent {
+        private Logger log = LoggerFactory.getLogger(this.getClass().getName());
 
         public TestPlugin() {
-            super.addlTags.put("addl1", "foo");
+            super.additionalTags.put("addl1", "foo");
         }
 
         @Override
@@ -34,6 +38,19 @@ public class PluginParentTest {
             result = metric;
         }
 
+        @Override
+        public void log(Level level, String s) {
+            log.debug(s);
+        }
+
+        @Override
+        public void write(MetricData metricData) {
+            try {
+                process(metricData, null);
+            } catch (Exception e) {
+                log(Level.ERROR, e.getMessage());
+            }
+        }
     }
 
     private static final String HOST = "r01n01.test";
@@ -60,7 +77,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put statsd.dfs.BlocksRead 1456156976840 1.0 addl1=foo host=r01n01 instance=DataNode rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -78,7 +95,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put statsd.baz 1456156976840 1.0 addl1=foo host=r01n01 rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -96,8 +113,8 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
-        assertEquals("put statsd.baz 1456156976840 1.0 addl1=foo host=r01n01 instance=bar rack=r01 sampleType=GAUGE\n", result);
+        test.write(new MetricData(vl));
+        assertEquals("put statsd.bar 1456156976840 1.0 addl1=foo host=r01n01 rack=r01 sampleType=GAUGE\n", result);
     }
 
     @Test
@@ -114,7 +131,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.hddtemp.temperature 1456156976840 35.0 addl1=foo host=r01n01 instance=sda rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -132,7 +149,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.smart.smart_badsectors 1456156976840 0.0 addl1=foo host=r01n01 instance=sda rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -151,7 +168,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.smart.raw-read-error-rate 1456156976840 0.0 addl1=foo host=r01n01 instance=sda rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -170,7 +187,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.smart.Total_LBAs_Read 1456156976840 0.0 addl1=foo code=242 host=r01n01 instance=sda rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -189,7 +206,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.snmp.if_octets 1456156976840 0.0 addl1=foo host=r01n01 instance=Ethernet1 rack=r01 sampleType=GAUGE\n", result);
 
     }
@@ -209,7 +226,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.sensors.temperature.coretemp-isa-0000 1456156976840 35.0 addl1=foo host=r01n01 instance=1 rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -227,7 +244,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.haproxy.run_queue 1456156976840 0.0 addl1=foo host=r01n01 rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -246,7 +263,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.haproxy.queue_current 1456156976840 0.0 addl1=foo host=r01n01 proxy_name=proxy1 rack=r01 sampleType=GAUGE service_name=server1\n",
                         result);
     }
@@ -266,7 +283,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.tx_comp_queue_full 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 rack=r01 sampleType=GAUGE\n", result);
 
     }
@@ -286,17 +303,17 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.rx_queue_bytes 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 queue=15 rack=r01 sampleType=GAUGE\n", result);
 
         result = null;
         vl.setTypeInstance("queue_7_tx_bytes");
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.queue_tx_bytes 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 queue=7 rack=r01 sampleType=GAUGE\n", result);
 
         result = null;
         vl.setTypeInstance("queue_7_rx_xdp_drop");
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.queue_rx_xdp_drop 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 queue=7 rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -316,12 +333,12 @@ public class PluginParentTest {
 
         TestPlugin test = new TestPlugin();
 
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.rx_queue_bytes 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 queue=15 rack=r01 sampleType=GAUGE\n", result);
 
         result = null;
         vl.setTypeInstance("tx15_xdp_err");
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.tx_queue_xdp_err 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 queue=15 rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -341,7 +358,7 @@ public class PluginParentTest {
 
         TestPlugin test = new TestPlugin();
 
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.veb.tc_tx_bytes 1456156976840 6.0 addl1=foo host=r01n01 instance=eth0 rack=r01 sampleType=GAUGE trafficClass=15\n",
                         result);
     }
@@ -362,7 +379,7 @@ public class PluginParentTest {
 
         TestPlugin test = new TestPlugin();
 
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.ch_events 1456156976840 6.0 addl1=foo channel=44 host=r01n01 instance=eth0 rack=r01 sampleType=GAUGE\n", result);
     }
 
@@ -380,7 +397,7 @@ public class PluginParentTest {
         vl.setDataSet(ds);
 
         TestPlugin test = new TestPlugin();
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ipmi.temperature 1456156976840 6.0 addl1=foo host=r01n01 instance=LAN_NIC_Temp_system_board_(3.2) rack=r01 sampleType=GAUGE\n",
                         result);
 
@@ -406,7 +423,7 @@ public class PluginParentTest {
         URL filteredTagsFile = getClass().getClassLoader().getResource("filteredTags.txt");
         test.setFilteredTagsFile(filteredTagsFile.getPath());
 
-        test.process(vl, null);
+        test.write(new MetricData(vl));
         assertEquals("put sys.ethstat.rx_queue_bytes 1456156976840 6.0 addl1=foo host=r01n01 queue=1 rack=r01\n", result);
 
         result = null;

common/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-common</artifactId>
   <dependencies>

common/src/main/java/timely/api/request/HttpRequest.java

@@ -1,10 +1,63 @@
 package timely.api.request;
 
 import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.util.ReferenceCounted;
 
-public interface HttpRequest extends Request {
+public interface HttpRequest extends Request, ReferenceCounted {
 
     public void setHttpRequest(FullHttpRequest httpRequest);
 
     public FullHttpRequest getHttpRequest();
+
+    default int refCnt() {
+        if (getHttpRequest() != null) {
+            return getHttpRequest().refCnt();
+        } else {
+            return 1;
+        }
+    }
+
+    default ReferenceCounted retain() {
+        if (getHttpRequest() != null) {
+            getHttpRequest().retain();
+        }
+        return this;
+    }
+
+    default ReferenceCounted retain(int increment) {
+        if (getHttpRequest() != null) {
+            getHttpRequest().retain(increment);
+        }
+        return this;
+    }
+
+    default ReferenceCounted touch() {
+        if (getHttpRequest() != null) {
+            getHttpRequest().touch();
+        }
+        return this;
+    }
+
+    default ReferenceCounted touch(Object hint) {
+        if (getHttpRequest() != null) {
+            getHttpRequest().touch(hint);
+        }
+        return this;
+    }
+
+    default boolean release() {
+        if (getHttpRequest() != null) {
+            return getHttpRequest().release();
+        } else {
+            return false;
+        }
+    }
+
+    default boolean release(int decrement) {
+        if (getHttpRequest() != null) {
+            return getHttpRequest().release(decrement);
+        } else {
+            return false;
+        }
+    }
 }

common/src/main/java/timely/common/configuration/AccumuloConfiguration.java

@@ -1,5 +1,7 @@
 package timely.common.configuration;
 
+import static org.apache.accumulo.core.conf.ConfigurationTypeHelper.getTimeInMillis;
+
 import org.apache.accumulo.core.client.Accumulo;
 import org.apache.accumulo.core.client.AccumuloClient;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
@@ -16,7 +18,13 @@ public class AccumuloConfiguration {
     @Bean
     @ConditionalOnMissingBean
     public AccumuloClient accumuloClient(AccumuloProperties accumuloProperties, ZookeeperProperties zookeeperProperties) {
-        return Accumulo.newClient().to(accumuloProperties.getInstanceName(), zookeeperProperties.getServers())
-                        .as(accumuloProperties.getUsername(), accumuloProperties.getPassword()).build();
+        // @formatter:off
+        return Accumulo.newClient()
+                        .to(accumuloProperties.getInstanceName(), zookeeperProperties.getServers())
+                        .as(accumuloProperties.getUsername(), accumuloProperties.getPassword())
+                        .batchScannerQueryThreads(accumuloProperties.getScan().getThreads())
+                        .zkTimeout(Long.valueOf(getTimeInMillis(zookeeperProperties.getTimeout())).intValue())
+                        .build();
+        // @formatter:on
     }
 }

common/src/main/java/timely/common/configuration/SslServerProperties.java

@@ -21,8 +21,7 @@ public class SslServerProperties implements SslProperties {
 
     private static final Logger log = LoggerFactory.getLogger(SslServerProperties.class);
 
-    private String[] ciphers = new String[] {"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", "TLS_RSA_WITH_AES_128_GCM_SHA256",
-            "TLS_RSA_WITH_AES_128_CBC_SHA", "SSL_RSA_WITH_3DES_EDE_CBC_SHA"};
+    private String[] ciphers = new String[] {"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"};
     private String[] enabledProtocols;
     private String keyStoreType;
     private String keyStoreFile;

common/src/main/java/timely/netty/Constants.java

@@ -2,7 +2,7 @@ package timely.netty;
 
 public class Constants {
 
-    public static final String ERR_WRITING_RESPONSE = "Error writing response to pipeline: {}";
+    public static final String ERR_WRITING_RESPONSE = "Error writing response to pipeline: %s";
     public static final String TEXT_TYPE = "text/plain";
     public static final String HTML_TYPE = "text/html";
     public static final String JSON_TYPE = "application/json";

common/src/main/java/timely/netty/http/TimelyHttpHandler.java

@@ -23,21 +23,27 @@ public interface TimelyHttpHandler {
     Logger log = LoggerFactory.getLogger(TimelyHttpHandler.class);
 
     default void sendHttpError(ChannelHandlerContext ctx, TimelyException e) throws JsonProcessingException {
-        log.error("Error in pipeline, response code: {}, message: {}", e.getCode(), e.getMessage());
-        byte[] buf = JsonUtil.getObjectMapper().writeValueAsBytes(new TimelyExceptionResponse(e));
-        FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(e.getCode()), Unpooled.copiedBuffer(buf));
-        response.headers().set(HttpHeaderNames.CONTENT_TYPE, Constants.JSON_TYPE);
-        response.headers().set(HttpHeaderNames.CONTENT_LENGTH, response.content().readableBytes());
-        e.getResponseHeaders().entrySet().forEach(entry -> response.headers().set(entry.getKey(), entry.getValue()));
-        // Send the error response
-        sendResponse(ctx, response);
+        try {
+            log.error("Error in pipeline, response code: {}, message: {}", e.getCode(), e.getMessage());
+            byte[] buf = JsonUtil.getObjectMapper().writeValueAsBytes(new TimelyExceptionResponse(e));
+            FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(e.getCode()), Unpooled.copiedBuffer(buf));
+            response.headers().set(HttpHeaderNames.CONTENT_TYPE, Constants.JSON_TYPE);
+            response.headers().set(HttpHeaderNames.CONTENT_LENGTH, response.content().readableBytes());
+            e.getResponseHeaders().entrySet().forEach(entry -> response.headers().set(entry.getKey(), entry.getValue()));
+            // Send the error response
+            sendResponse(ctx, response);
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
     }
 
     default void sendResponse(ChannelHandlerContext ctx, Object msg) {
-        ChannelFuture f = ctx.writeAndFlush(msg);
+        ChannelFuture cf = ctx.writeAndFlush(msg);
         log.trace(Constants.LOG_RETURNING_RESPONSE, msg);
-        if (!f.isSuccess()) {
-            log.error(Constants.ERR_WRITING_RESPONSE, f.cause());
+        if (!cf.isSuccess()) {
+            Throwable t = cf.cause();
+            String message = (t == null) ? "" : t.getMessage();
+            log.error(String.format(Constants.ERR_WRITING_RESPONSE, message), cf.cause());
         }
     }
 

grafana/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-datasource</artifactId>
   <packaging>pom</packaging>

grafana/timely-datasource/dist/plugin.json

@@ -31,12 +31,12 @@
             }
         ],
         "screenshots": [],
-        "version": "2.2.0",
-        "updated": "2025-03-19"
+        "version": "2.2.2",
+        "updated": "2026-05-11"
     },
     "dependencies": {
         "grafanaDependency": ">=10.0.0",
         "plugins": []
     },
     "buildMode": "production"
-}
+}

grafana/timely-datasource/docker-compose.yaml

@@ -7,7 +7,7 @@ services:
       context: ./.config
       args:
         grafana_image: ${GRAFANA_IMAGE:-grafana-oss}
-        grafana_version: ${GRAFANA_VERSION:-11.5.2}
+        grafana_version: ${GRAFANA_VERSION:-13.0.1}
         development: ${DEVELOPMENT:-false}
         anonymous_auth_enabled: ${ANONYMOUS_AUTH_ENABLED:-true}
     ports:
@@ -34,7 +34,7 @@ services:
       GF_DATAPROXY_LOGGING: 1
       GF_SECURITY_COOKIE_SECURE: true
       GF_USERS_AUTO_ASSIGN_ORG_ROLE: Editor
-      GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS: timely-datasource
+      GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS: nsa-timely-datasource
       GF_SERVER_ENFORCE_DOMAIN: true
       GF_SERVER_CERT_FILE: /etc/pki/testServer.cert
       GF_SERVER_CERT_KEY: /etc/pki/testServer.key

grafana/timely-datasource/go.mod

@@ -1,95 +1,92 @@
 module github.com/NationalSecurityAgency/timely-datasource
 
-go 1.22.7
-
-toolchain go1.22.9
+go 1.25.7
 
 require (
-	github.com/grafana/grafana-plugin-sdk-go v0.260.3
+	github.com/grafana/grafana-plugin-sdk-go v0.292.0
 	github.com/hashicorp/go-hclog v1.6.3
 )
 
 require (
-	github.com/BurntSushi/toml v1.4.0 // indirect
-	github.com/apache/arrow-go/v18 v18.0.1-0.20241212180703-82be143d7c30 // indirect
+	github.com/BurntSushi/toml v1.5.0 // indirect
+	github.com/apache/arrow-go/v18 v18.5.2 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cheekybits/genny v1.0.0 // indirect
-	github.com/chromedp/cdproto v0.0.0-20220208224320-6efb837e6bc2 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect
-	github.com/elazarl/goproxy v0.0.0-20230731152917-f99041a5c027 // indirect
-	github.com/fatih/color v1.15.0 // indirect
-	github.com/getkin/kin-openapi v0.128.0 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/clipperhouse/displaywidth v0.10.0 // indirect
+	github.com/clipperhouse/uax29/v2 v2.6.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
+	github.com/fatih/color v1.18.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/go-openapi/jsonpointer v0.21.0 // indirect
-	github.com/go-openapi/swag v0.23.0 // indirect
-	github.com/goccy/go-json v0.10.4 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/gogo/googleapis v1.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/flatbuffers v24.3.25+incompatible // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/flatbuffers v25.12.19+incompatible // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/mux v1.8.1 // indirect
 	github.com/grafana/otel-profiling-go v0.5.1 // indirect
-	github.com/grafana/pyroscope-go/godeltaprof v0.1.8 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.0.1 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.1.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.23.0 // indirect
-	github.com/hashicorp/go-plugin v1.6.2 // indirect
-	github.com/hashicorp/yamux v0.1.1 // indirect
-	github.com/invopop/yaml v0.3.1 // indirect
-	github.com/josharian/intern v1.0.0 // indirect
+	github.com/grafana/pyroscope-go/godeltaprof v0.1.9 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.1.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.28.0 // indirect
+	github.com/hashicorp/go-plugin v1.7.0 // indirect
+	github.com/hashicorp/yamux v0.1.2 // indirect
+	github.com/jaegertracing/jaeger-idl v0.6.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/compress v1.17.11 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
-	github.com/magefile/mage v1.15.0 // indirect
-	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/klauspost/compress v1.18.4 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/magefile/mage v1.17.1 // indirect
 	github.com/mattetti/filebuffer v1.0.1 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
-	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.19 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/oklog/run v1.1.0 // indirect
-	github.com/olekukonko/tablewriter v0.0.5 // indirect
-	github.com/perimeterx/marshmallow v1.1.5 // indirect
-	github.com/pierrec/lz4/v4 v4.1.21 // indirect
-	github.com/prometheus/client_golang v1.20.5 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.61.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/olekukonko/cat v0.0.0-20250911104152-50322a0618f6 // indirect
+	github.com/olekukonko/errors v1.2.0 // indirect
+	github.com/olekukonko/ll v0.1.6 // indirect
+	github.com/olekukonko/tablewriter v1.1.4 // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
+	github.com/pierrec/lz4/v4 v4.1.25 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.5 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/unknwon/bra v0.0.0-20200517080246-1e3013ecaff8 // indirect
 	github.com/unknwon/com v1.0.1 // indirect
 	github.com/unknwon/log v0.0.0-20150304194804-e617c87089d3 // indirect
-	github.com/urfave/cli v1.22.16 // indirect
-	github.com/zeebo/xxh3 v1.0.2 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.57.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.57.0 // indirect
-	go.opentelemetry.io/contrib/propagators/jaeger v1.32.0 // indirect
-	go.opentelemetry.io/contrib/samplers/jaegerremote v0.26.0 // indirect
-	go.opentelemetry.io/otel v1.32.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.32.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.32.0 // indirect
-	go.opentelemetry.io/otel/metric v1.32.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.32.0 // indirect
-	go.opentelemetry.io/otel/trace v1.32.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
-	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
-	golang.org/x/mod v0.22.0 // indirect
-	golang.org/x/net v0.32.0 // indirect
-	golang.org/x/sync v0.10.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
-	golang.org/x/tools v0.28.0 // indirect
-	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
+	github.com/urfave/cli v1.22.17 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.67.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.67.0 // indirect
+	go.opentelemetry.io/contrib/propagators/jaeger v1.42.0 // indirect
+	go.opentelemetry.io/contrib/samplers/jaegerremote v0.36.0 // indirect
+	go.opentelemetry.io/otel v1.43.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.43.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.43.0 // indirect
+	go.opentelemetry.io/otel/metric v1.43.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.43.0 // indirect
+	go.opentelemetry.io/otel/trace v1.43.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.10.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
+	golang.org/x/mod v0.33.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.43.0 // indirect
+	golang.org/x/telemetry v0.0.0-20260209163413-e7419c687ee4 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/tools v0.42.0 // indirect
+	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	google.golang.org/genproto v0.0.0-20210630183607-d20f26d13c79 // indirect
-	google.golang.org/grpc v1.68.1 // indirect
-	google.golang.org/protobuf v1.35.2 // indirect
+	google.golang.org/grpc v1.80.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/fsnotify/fsnotify.v1 v1.4.7 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

grafana/timely-datasource/go.sum

@@ -1,67 +1,58 @@
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@@ -213,11 +202,9 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -225,51 +212,57 @@ github.com/unknwon/com v1.0.1/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnl
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 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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@@ -278,8 +271,8 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
-golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
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 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -289,8 +282,8 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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+golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -298,8 +291,8 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
-golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -313,17 +306,18 @@ golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.43.0 h1:Rlag2XtaFTxp19wS8MXlJwTvoh8ArU6ezoyFsMyCTNI=
+golang.org/x/sys v0.43.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/telemetry v0.0.0-20260209163413-e7419c687ee4 h1:bTLqdHv7xrGlFbvf5/TXNxy/iUwwdkjhqQTJDjW7aj0=
+golang.org/x/telemetry v0.0.0-20260209163413-e7419c687ee4/go.mod h1:g5NllXBEermZrmR51cJDQxmJUHUOfRAaNyWBM+R+548=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
+golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -334,16 +328,16 @@ golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapK
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.28.0 h1:WuB6qZ4RPCQo5aP3WdKZS7i595EdWqWR8vqJTlwTVK8=
-golang.org/x/tools v0.28.0/go.mod h1:dcIOrVd3mfQKTgrDVQHqCPMWy6lnhfhtX3hLXYVLfRw=
+golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
+golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 h1:+cNy6SZtPcJQH3LJVLOSmiC7MMxXNOb3PU/VUEz+EhU=
-golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
-gonum.org/v1/gonum v0.15.1 h1:FNy7N6OUZVUaWG9pTiD+jlhdQ3lMP+/LcTpJ6+a8sQ0=
-gonum.org/v1/gonum v0.15.1/go.mod h1:eZTZuRFrzu5pcyjN5wJhcIhnUdNijYxX1T2IcrOGY0o=
+golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da h1:noIWHXmPHxILtqtCOPIhSt0ABwskkZKjD3bXGnZGpNY=
+golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
+gonum.org/v1/gonum v0.17.0 h1:VbpOemQlsSMrYmn7T2OUvQ4dqxQXU+ouZFQsZOx50z4=
+gonum.org/v1/gonum v0.17.0/go.mod h1:El3tOrEuMpv2UdMrbNlKEh9vd86bmQ6vqIcDwxEOc1E=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -356,8 +350,8 @@ google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.68.1 h1:oI5oTa11+ng8r8XMMN7jAOmWfPZWbYpCFaMUTACxkM0=
-google.golang.org/grpc v1.68.1/go.mod h1:+q1XYFJjShcqn0QZHvCyeR4CXPA+llXIeUIfIe00waw=
+google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
+google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -370,8 +364,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
-google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

grafana/timely-datasource/package.json

@@ -1,6 +1,6 @@
 {
   "name": "timely",
-  "version": "2.2.0",
+  "version": "2.2.2",
   "scripts": {
     "build": "webpack -c ./.config/webpack/webpack.config.ts --env production",
     "dev": "webpack -w -c ./.config/webpack/webpack.config.ts --env development",
@@ -67,9 +67,9 @@
   },
   "dependencies": {
     "@emotion/css": "11.10.6",
-    "@grafana/data": "^11.3.2",
-    "@grafana/runtime": "^11.3.2",
-    "@grafana/schema": "^11.3.2",
+    "@grafana/data": "^13.0.1",
+    "@grafana/runtime": "^13.0.1",
+    "@grafana/schema": "^13.0.1",
     "@grafana/ui": "^11.3.2",
     "dayjs": "^1.11.13",
     "react": "18.2.0",

lib/collectd-api-5.7.1.pom

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>collectd</groupId>
+  <artifactId>collectd-api</artifactId>
+  <version>5.7.1</version>
+</project>

pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>timely</groupId>
   <artifactId>timely</artifactId>
-  <version>2.2.1</version>
+  <version>2.2.2</version>
   <packaging>pom</packaging>
   <name>Timely</name>
   <description>A secure and scalable time series database based on Apache Accumulo</description>
@@ -33,8 +33,6 @@
   </issueManagement>
   <properties>
     <assembly.tarLongFileMode>posix</assembly.tarLongFileMode>
-    <!--collectd-api-jar>/usr/share/collectd/java/collectd-api.jar</collectd-api-jar-->
-    <collectd-api-jar>/home/inbella/Downloads/temp/collectd-5.7.1/bindings/java/.libs/collectd-api.jar</collectd-api-jar>
     <docker.image.prefix>timely/</docker.image.prefix>
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
@@ -45,38 +43,37 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <spotbugs.excludes.file>${project.basedir}/src/main/spotbugs/excludes.xml</spotbugs.excludes.file>
     <surefire.forkCount>1C</surefire.forkCount>
-    <version.accumulo>2.1.2</version.accumulo>
+    <version.accumulo>2.1.4</version.accumulo>
     <version.caffeine>3.1.8</version.caffeine>
-    <version.classgraph>4.8.165</version.classgraph>
+    <version.classgraph>4.8.184</version.classgraph>
     <version.collectd>5.7.1</version.collectd>
     <version.commons-collections4>4.4</version.commons-collections4>
     <version.commons-lang>2.6</version.commons-lang>
-    <version.commons-lang3>3.14.0</version.commons-lang3>
-    <version.commons-logging>1.3.0</version.commons-logging>
-    <version.commons-pool2>2.12.0</version.commons-pool2>
-    <version.commons-text>1.11.0</version.commons-text>
+    <version.commons-lang3>3.20.0</version.commons-lang3>
+    <version.commons-logging>1.3.6</version.commons-logging>
+    <version.commons-pool2>2.13.1</version.commons-pool2>
+    <version.commons-text>1.15.0</version.commons-text>
     <version.compression.gorilla>2.1.1</version.compression.gorilla>
-    <version.curator>5.5.0</version.curator>
+    <version.curator>5.9.0</version.curator>
     <version.datawave-in-memory-accumulo>3.0.1</version.datawave-in-memory-accumulo>
     <version.disruptor>3.4.4</version.disruptor>
-    <version.easymock>4.0.2</version.easymock>
+    <version.easymock>5.6.0</version.easymock>
     <version.eclipse-lifecycle>1.0.0</version.eclipse-lifecycle>
-    <version.fast-classpath-scanner>3.1.13</version.fast-classpath-scanner>
     <version.flink>1.1.4</version.flink>
     <version.google-flatbuffers>23.5.26</version.google-flatbuffers>
-    <version.guava>33.0.0-jre</version.guava>
+    <version.guava>33.6.0-jre</version.guava>
     <version.hadoop>3.3.6</version.hadoop>
     <version.httpcomponents>4.5.14</version.httpcomponents>
-    <version.jackson>2.16.1</version.jackson>
-    <version.jacoco>0.8.11</version.jacoco>
+    <version.jackson>2.14.3</version.jackson>
+    <version.jacoco>0.8.14</version.jacoco>
     <version.jakarta.websocket-api>1.1.2</version.jakarta.websocket-api>
     <version.javacsv>2.0</version.javacsv>
-    <version.javassist>3.30.2-GA</version.javassist>
+    <version.javassist>3.31.0-GA</version.javassist>
     <version.jcip-annotations>1.0</version.jcip-annotations>
-    <version.jjwt>0.12.3</version.jjwt>
-    <version.jsoup>1.17.2</version.jsoup>
+    <version.jjwt>0.12.7</version.jjwt>
+    <version.jsoup>1.22.2</version.jsoup>
     <version.junit>4.13.2</version.junit>
-    <version.log4j2>2.22.1</version.log4j2>
+    <version.log4j2>2.25.4</version.log4j2>
     <version.maven-assembly-plugin>3.6.0</version.maven-assembly-plugin>
     <version.maven-build-helper-plugin>3.5.0</version.maven-build-helper-plugin>
     <version.maven-buildnumber-plugin>1.4</version.maven-buildnumber-plugin>
@@ -92,17 +89,17 @@
     <version.maven-shade-plugin>3.5.1</version.maven-shade-plugin>
     <version.maven-spotbugs-plugin>4.7.3.0</version.maven-spotbugs-plugin>
     <version.maven-surefire-plugin>3.2.5</version.maven-surefire-plugin>
-    <version.micrometer>1.12.2</version.micrometer>
-    <version.netty>4.1.106.Final</version.netty>
-    <version.netty-tcnative>2.0.61.Final</version.netty-tcnative>
+    <version.micrometer>1.16.5</version.micrometer>
+    <version.netty>4.1.133.Final</version.netty>
+    <version.netty-tcnative>2.0.77.Final</version.netty-tcnative>
     <version.powermock>1.6.4</version.powermock>
     <version.reactor-netty>1.1.15</version.reactor-netty>
-    <version.slf4j>1.7.36</version.slf4j>
-    <version.snakeyaml>2.2</version.snakeyaml>
+    <version.slf4j>2.0.17</version.slf4j>
+    <version.snakeyaml>1.33</version.snakeyaml>
     <version.spring-boot>2.7.18</version.spring-boot>
     <version.spring-cloud>3.1.8</version.spring-cloud>
-    <version.spring-webflux>5.3.31</version.spring-webflux>
-    <version.tyrus>1.15</version.tyrus>
+    <version.spring-webflux>5.3.39</version.spring-webflux>
+    <version.tyrus>1.22</version.tyrus>
   </properties>
   <dependencyManagement>
     <dependencies>
@@ -128,6 +125,11 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>collectd</groupId>
+        <artifactId>collectd-api</artifactId>
+        <version>${version.collectd}</version>
+      </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-annotations</artifactId>
@@ -679,13 +681,6 @@
         <artifactId>timely-test</artifactId>
         <version>${project.version}</version>
       </dependency>
-      <dependency>
-        <groupId>collectd</groupId>
-        <artifactId>collectd-api</artifactId>
-        <version>${version.collectd}</version>
-        <scope>system</scope>
-        <systemPath>${collectd-api-jar}</systemPath>
-      </dependency>
       <dependency>
         <groupId>com.lmax</groupId>
         <artifactId>disruptor</artifactId>
@@ -1103,6 +1098,29 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-install-plugin</artifactId>
+        <version>3.1.4</version>
+        <inherited>false</inherited>
+        <configuration>
+          <file>${project.basedir}/lib/collectd-api-${version.collectd}.jar</file>
+          <pomFile>${project.basedir}/lib/collectd-api-${version.collectd}.pom</pomFile>
+          <groupId>collectd</groupId>
+          <artifactId>collectd-api</artifactId>
+          <version>${version.collectd}</version>
+          <packaging>jar</packaging>
+        </configuration>
+        <executions>
+          <execution>
+            <id>collectd-api-jar</id>
+            <goals>
+              <goal>install-file</goal>
+            </goals>
+            <phase>validate</phase>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>buildnumber-maven-plugin</artifactId>

server/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-server</artifactId>
   <description>Timely Server</description>
@@ -68,6 +68,10 @@
       <groupId>io.micrometer</groupId>
       <artifactId>micrometer-core</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.netty</groupId>
+      <artifactId>netty-transport-classes-epoll</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.projectreactor.netty</groupId>
       <artifactId>reactor-netty</artifactId>

server/src/main/java/timely/server/configuration/TimelyConfiguration.java

@@ -39,9 +39,8 @@ public class TimelyConfiguration {
     }
 
     @Bean(destroyMethod = "close")
-    public MetaCache metaCache(TimelyProperties timelyProperties, ZookeeperProperties zookeeperProperties, AccumuloProperties accumuloProperties,
-                    MetaCacheProperties metaCacheProperties) {
-        return new MetaCache(timelyProperties, zookeeperProperties, accumuloProperties, metaCacheProperties);
+    public MetaCache metaCache(AccumuloClient accumuloClient, TimelyProperties timelyProperties, MetaCacheProperties metaCacheProperties) {
+        return new MetaCache(accumuloClient, timelyProperties, metaCacheProperties);
     }
 
     @Bean(destroyMethod = "shutdown")

server/src/main/java/timely/server/netty/tcp/TcpPutHandler.java

@@ -33,7 +33,9 @@ public class TcpPutHandler extends SimpleChannelInboundHandler<MetricRequest> {
             log.error(LOG_ERR_MSG, msg, e);
             ChannelFuture cf = ctx.writeAndFlush(Unpooled.copiedBuffer((ERR_MSG + e.getMessage() + "\n").getBytes(StandardCharsets.UTF_8)));
             if (!cf.isSuccess()) {
-                log.error(Constants.ERR_WRITING_RESPONSE, cf.cause());
+                Throwable t = cf.cause();
+                String message = (t == null) ? "" : t.getMessage();
+                log.error(String.format(Constants.ERR_WRITING_RESPONSE, message), cf.cause());
             }
         }
     }

server/src/main/java/timely/server/store/MetaCache.java

@@ -10,47 +10,37 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
+import org.apache.accumulo.core.client.AccumuloClient;
 import org.apache.accumulo.core.client.AccumuloException;
 import org.apache.accumulo.core.client.AccumuloSecurityException;
-import org.apache.accumulo.core.client.ClientConfiguration;
-import org.apache.accumulo.core.client.Connector;
-import org.apache.accumulo.core.client.Instance;
 import org.apache.accumulo.core.client.Scanner;
 import org.apache.accumulo.core.client.TableNotFoundException;
-import org.apache.accumulo.core.client.ZooKeeperInstance;
-import org.apache.accumulo.core.client.security.tokens.PasswordToken;
 import org.apache.accumulo.core.data.Key;
 import org.apache.accumulo.core.data.Range;
 import org.apache.accumulo.core.data.Value;
-import org.apache.accumulo.core.security.Authorizations;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
 
-import timely.common.configuration.AccumuloProperties;
 import timely.common.configuration.MetaCacheProperties;
 import timely.common.configuration.TimelyProperties;
-import timely.common.configuration.ZookeeperProperties;
 import timely.model.Meta;
 
 public final class MetaCache implements Iterable<Meta> {
 
     private static final Logger log = LoggerFactory.getLogger(MetaCache.class);
     private static final Object DUMMY = new Object();
-    private Cache<Meta,Object> cache;
-    private TimelyProperties timelyProperties;
-    private ZookeeperProperties zookeeperProperties;
-    private AccumuloProperties accumuloProperties;
-    private MetaCacheProperties metaCacheProperties;
-    private ScheduledExecutorService executorService = Executors.newScheduledThreadPool(1);
+    private final Cache<Meta,Object> cache;
+    private final AccumuloClient accumuloClient;
+    private final TimelyProperties timelyProperties;
+    private final MetaCacheProperties metaCacheProperties;
+    private final ScheduledExecutorService executorService = Executors.newScheduledThreadPool(1);
 
-    public MetaCache(TimelyProperties timelyProperties, ZookeeperProperties zookeeperProperties, AccumuloProperties accumuloProperties,
-                    MetaCacheProperties metaCacheProperties) {
+    public MetaCache(AccumuloClient accumuloClient, TimelyProperties timelyProperties, MetaCacheProperties metaCacheProperties) {
+        this.accumuloClient = accumuloClient;
         this.timelyProperties = timelyProperties;
-        this.zookeeperProperties = zookeeperProperties;
-        this.accumuloProperties = accumuloProperties;
         this.metaCacheProperties = metaCacheProperties;
         cache = Caffeine.newBuilder().initialCapacity(1000).build();
         long cacheRefreshMinutes = metaCacheProperties.getCacheRefreshMinutes();
@@ -61,18 +51,10 @@ public final class MetaCache implements Iterable<Meta> {
 
     private void refreshCache(long expirationMinutes) {
         long oldestTimestamp = System.currentTimeMillis() - (expirationMinutes * 60 * 1000);
-        Map<String,String> properties = new HashMap<>();
-        properties.put("instance.name", accumuloProperties.getInstanceName());
-        properties.put("instance.zookeeper.host", zookeeperProperties.getServers());
-        final ClientConfiguration aConf = ClientConfiguration.fromMap(properties);
         String metaTable = timelyProperties.getMetaTable();
         Map<String,Map<String,Long>> metricMap = new HashMap<>();
-        Scanner scanner = null;
-        try {
+        try (Scanner scanner = accumuloClient.createScanner(metaTable)) {
             Map<Meta,Object> newCache = new HashMap<>();
-            final Instance instance = new ZooKeeperInstance(aConf);
-            Connector connector = instance.getConnector(accumuloProperties.getUsername(), new PasswordToken(accumuloProperties.getPassword()));
-            scanner = connector.createScanner(metaTable, Authorizations.EMPTY);
             log.debug("Begin scanning " + metaTable);
             Key metricPrefixBeginKey = new Key(Meta.METRIC_PREFIX);
             int firstChar = Meta.METRIC_PREFIX.charAt(0);
@@ -89,6 +71,7 @@ public final class MetaCache implements Iterable<Meta> {
                 Key end = new Key(Meta.VALUE_PREFIX + currMetric + '\0');
                 Range range = new Range(begin, true, end, false);
                 scanner.setRange(range);
+                scanner.setBatchSize(Long.valueOf(metaCacheProperties.getMaxTagValues()).intValue());
                 Iterator<Map.Entry<Key,Value>> itr = scanner.iterator();
                 boolean maxedOutValues = false;
                 while (itr.hasNext() && !maxedOutValues) {
@@ -96,12 +79,8 @@ public final class MetaCache implements Iterable<Meta> {
                     Meta meta = Meta.parse(entry.getKey(), entry.getValue(), Meta.VALUE_PREFIX);
                     String metric = meta.getMetric();
                     String tagKey = meta.getTagKey();
-                    Map<String,Long> tagMap = metricMap.get(metric);
-                    if (tagMap == null) {
-                        tagMap = new HashMap<>();
-                        metricMap.put(metric, tagMap);
-                    }
-                    long numTagValues = tagMap.getOrDefault(tagKey, 0l);
+                    Map<String,Long> tagMap = metricMap.computeIfAbsent(metric, k -> new HashMap<>());
+                    long numTagValues = tagMap.getOrDefault(tagKey, 0L);
                     if (entry.getKey().getTimestamp() > oldestTimestamp) {
                         tagMap.put(tagKey, ++numTagValues);
                         if (numTagValues <= metaCacheProperties.getMaxTagValues()) {
@@ -120,10 +99,6 @@ public final class MetaCache implements Iterable<Meta> {
             log.debug("Finished scanning " + metaTable);
         } catch (AccumuloException | AccumuloSecurityException | TableNotFoundException e) {
             log.error(e.getMessage(), e);
-        } finally {
-            if (scanner != null) {
-                scanner.close();
-            }
         }
     }
 

server/src/main/java/timely/server/store/MetricAgeOffIterator.java

@@ -138,6 +138,11 @@ public class MetricAgeOffIterator extends WrappingIterator implements OptionDesc
      */
     private byte[] ensureFollowing(byte[] topRow, byte[] newStart) {
         if (WritableComparator.compareBytes(topRow, 0, topRow.length, newStart, 0, newStart.length) >= 0) {
+            // log a message so that we can determine how often this happens.
+            StringBuilder builder = new StringBuilder().append("Found a row in which the timestamp significantly differs from the encoded time: ");
+            Key.appendPrintableString(topRow, 0, topRow.length, topRow.length, builder);
+            log.warn(builder.toString());
+
             byte[] followingRow = new byte[topRow.length + 1];
             System.arraycopy(topRow, 0, followingRow, 0, topRow.length);
             followingRow[topRow.length] = (byte) 0x00;

server/src/test/java/timely/server/sample/iterators/IteratorTestBase.java

@@ -4,19 +4,19 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 
+import org.apache.accumulo.core.client.PluginEnvironment;
 import org.apache.accumulo.core.client.sample.SamplerConfiguration;
 import org.apache.accumulo.core.conf.AccumuloConfiguration;
 import org.apache.accumulo.core.conf.DefaultConfiguration;
 import org.apache.accumulo.core.data.ByteSequence;
 import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.data.TableId;
 import org.apache.accumulo.core.data.Value;
 import org.apache.accumulo.core.iterators.IteratorEnvironment;
 import org.apache.accumulo.core.iterators.IteratorUtil.IteratorScope;
 import org.apache.accumulo.core.iterators.SortedKeyValueIterator;
-import org.apache.accumulo.core.iteratorsImpl.system.MapFileIterator;
 import org.apache.accumulo.core.security.Authorizations;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
+import org.apache.accumulo.core.spi.common.ServiceEnvironment;
 
 public class IteratorTestBase {
 
@@ -34,9 +34,7 @@ public class IteratorTestBase {
 
         @Override
         public SortedKeyValueIterator<Key,Value> reserveMapFileReader(String mapFileName) throws IOException {
-            Configuration conf = new Configuration();
-            FileSystem fs = FileSystem.get(conf);
-            return new MapFileIterator(fs, mapFileName, conf);
+            throw new UnsupportedOperationException();
         }
 
         @Override
@@ -74,6 +72,26 @@ public class IteratorTestBase {
             throw new UnsupportedOperationException();
         }
 
+        @Override
+        public boolean isUserCompaction() {
+            return false;
+        }
+
+        @Override
+        public ServiceEnvironment getServiceEnv() {
+            return null;
+        }
+
+        @Override
+        public PluginEnvironment getPluginEnv() {
+            return null;
+        }
+
+        @Override
+        public TableId getTableId() {
+            return null;
+        }
+
         @Override
         public boolean isSamplingEnabled() {
             return false;

test/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>timely</groupId>
     <artifactId>timely</artifactId>
-    <version>2.2.1</version>
+    <version>2.2.2</version>
   </parent>
   <artifactId>timely-test</artifactId>
   <properties>