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Jamesandxiaofanluan
f4ae66a2fd
Milvus already provides jemalloc native heap profiling and `/debug/jemalloc/pprof/heap`. This PR only adds an opt-in startup flag, using the existing subprocess path so jemalloc receives its configuration before allocator initialization. ```sh milvus run querynode --native-profile curl -f http://localhost:9091/debug/jemalloc/pprof/heap -o native.heap ``` The flag enables profiling and allocation sampling while preserving other `MALLOC_CONF` options, including the sampling interval. Existing builds, HTTP routing, dump behavior, and dependencies are reused. The legacy HTTP endpoint requires a Linux `with_jemalloc` build with profiling support and remains subject to existing pprof/management routing; enabling management authentication hides legacy DefaultServeMux routes. Fixes #53985 Validation: focused CLI tests and Go vet passed; the startup-only revision also passed a Linux `go build -mod=readonly -tags dynamic,with_jemalloc ./cmd` and gosec on `cmd/milvus`. Formatting and diff checks passed. No service or profiling workload was started. Signed-off-by: xiaofanluan <[email protected]> Co-authored-by: xiaofanluan <[email protected]>