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121 lines
3.8 KiB
Plaintext
121 lines
3.8 KiB
Plaintext
.. _h2load-1-output:
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OUTPUT
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------
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requests
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total
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The number of requests h2load was instructed to make.
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started
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The number of requests h2load has started.
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done
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The number of requests completed.
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succeeded
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The number of requests completed successfully. Only HTTP status
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code 2xx or3xx are considered as success.
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failed
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The number of requests failed, including HTTP level failures
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(non-successful HTTP status code).
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errored
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The number of requests failed, except for HTTP level failures.
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This is the subset of the number reported in ``failed`` and most
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likely the network level failures or stream was reset by
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RST_STREAM.
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timeout
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The number of requests whose connection timed out before they were
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completed. This is the subset of the number reported in
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``errored``.
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status codes
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The number of status code h2load received.
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traffic
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total
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The number of bytes received from the server "on the wire". If
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requests were made via TLS, this value is the number of decrypted
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bytes.
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headers
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The number of response header bytes from the server without
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decompression. The ``space savings`` shows efficiency of header
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compression. Let ``decompressed(headers)`` to the number of bytes
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used for header fields after decompression. The ``space savings``
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is calculated by (1 - ``headers`` / ``decompressed(headers)``) *
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100. For HTTP/1.1, this is usually 0.00%, since it does not have
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header compression. For HTTP/2, it shows some insightful numbers.
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data
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The number of response body bytes received from the server.
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time for request
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min
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The minimum time taken for request and response.
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max
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The maximum time taken for request and response.
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mean
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The mean time taken for request and response.
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sd
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The standard deviation of the time taken for request and response.
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+/- sd
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The fraction of the number of requests within standard deviation
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range (mean +/- sd) against total number of successful requests.
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time for connect
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min
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The minimum time taken to connect to a server including TLS
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handshake.
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max
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The maximum time taken to connect to a server including TLS
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handshake.
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mean
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The mean time taken to connect to a server including TLS
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handshake.
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sd
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The standard deviation of the time taken to connect to a server.
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+/- sd
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The fraction of the number of connections within standard
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deviation range (mean +/- sd) against total number of successful
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connections.
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time for 1st byte (of (decrypted in case of TLS) application data)
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min
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The minimum time taken to get 1st byte from a server.
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max
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The maximum time taken to get 1st byte from a server.
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mean
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The mean time taken to get 1st byte from a server.
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sd
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The standard deviation of the time taken to get 1st byte from a
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server.
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+/- sd
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The fraction of the number of connections within standard
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deviation range (mean +/- sd) against total number of successful
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connections.
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req/s
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min
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The minimum request per second among all clients.
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max
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The maximum request per second among all clients.
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mean
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The mean request per second among all clients.
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sd
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The standard deviation of request per second among all clients.
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server.
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+/- sd
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The fraction of the number of connections within standard
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deviation range (mean +/- sd) against total number of successful
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connections.
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FLOW CONTROL
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------------
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h2load sets large flow control window by default, and effectively
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disables flow control to avoid under utilization of server
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performance. To set smaller flow control window, use :option:`-w` and
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:option:`-W` options. For example, use ``-w16 -W16`` to set default
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window size described in HTTP/2 protocol specification.
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SEE ALSO
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--------
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:manpage:`nghttp(1)`, :manpage:`nghttpd(1)`, :manpage:`nghttpx(1)`
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