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perf: GC max pause 시간 100ms로 설정 #397

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Merged
wlgns12370 merged 2 commits into from
Nov 4, 2025
Merged

perf: GC max pause 시간 100ms로 설정 #397

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36c6206
MOSU-395 config: GC max pause 시간 100ms로 설정
wlgns12370 Nov 4, 2025
dc1ada4
Merge pull request #396 from mosu-dev/perf/mosu-395
wlgns12370 Nov 4, 2025
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11 changes: 10 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,13 @@
FROM amazoncorretto:21
COPY build/libs/*SNAPSHOT.war app.war

ENTRYPOINT ["java", "-Duser.timezone=GMT+9", "-Djava.security.egd=file:/dev/./urandom", "-jar", "/app.war"]
ENTRYPOINT [
"java",
"-Duser.timezone=GMT+9",
"-Djava.security.egd=file:/dev/./urandom",
"-XX:+UseG1GC",
"-XX:MaxGCPauseMillis=100",
"-Xms2g",
"-Xmx2g",
Comment on lines +10 to +11
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medium

힙 크기를 2g로 하드코딩하면 다른 메모리 사양을 가진 환경(예: 개발, 스테이징, 프로덕션)에서 애플리케이션을 실행할 때 유연성이 떨어집니다. 이미지를 재빌드하지 않고도 각 환경에 맞게 메모리 설정을 동적으로 변경할 수 있도록, Docker 컨테이너 실행 시점에 환경 변수를 통해 힙 크기를 주입하는 것을 권장합니다. 예를 들어, ENTRYPOINT를 쉘 스크립트로 감싸고, 스크립트 내에서 환경 변수를 읽어 JVM 옵션으로 전달하는 방식을 사용할 수 있습니다.

"-jar", "/app.war"
]