Abhinav Dhiman 0988e2d9d6 perf: use jemalloc as the default allocator (#1910) ...

* feat(docker): add jemalloc to reduce memory fragmentation

Install libjemalloc2 in the base image and preload it via LD_PRELOAD in
docker-entrypoint when available. Reduces RSS growth from glibc's default
allocator fragmentation under Rails workloads.

* feat(docker): add DISABLE_JEMALLOC env var + preserve existing LD_PRELOAD

* feat(docker): add jemalloc status logging to entrypoint

* refactor(docker): simplify jemalloc logging to warn-only when disabled/missing

2026-05-24 14:02:50 +02:00

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