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Reduce the number of nginx worker processes in container #2856

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Merged
0405ysj merged 1 commit into from
Jul 15, 2026
Merged

Reduce the number of nginx worker processes in container #2856

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12 changes: 12 additions & 0 deletions container/image/Containerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,18 @@ RUN apt install -y --no-install-recommends \
sudo
RUN update-ca-certificates

# When setting `auto` value, nginx spawns worker processes as the number of CPU
# cores. It's discouraged in any multiple container scenarios, as it spawns too
# much worker processes in huge machines, but not actually required.
RUN sed -i 's/worker_processes auto;/worker_processes 2;/' \
/etc/nginx/nginx.conf
# When setting `auto` value, nginx select which CPU core executing worker
# processes. It's discouraged in any multiple container scenarios, as all
# containers may use CPU core `0`-`N` when `worker_processes` is set as `N+1`.
# When setting no values, OS scheduler manages it instead.
RUN sed -i 's/worker_cpu_affinity auto;/# worker_cpu_affinity auto;/' \
/etc/nginx/nginx.conf

COPY ./container/image/guest/run_services.sh /root/
RUN chmod +x /root/run_services.sh

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