• Java Garbage Collection

• Long Class-Unloading Pauses with JDK8 | Poonam Bajaj's Blog

JDK 8 G1 GC에서는 class 영역이 클 경우 class unloading을 하는 gc 시간이 매우 길어질 수 있다. 다음 옵션으로 대부분 문제가 없어진다.

-XX:+UseLargePagesInMetaspace

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  • G1 GC 에서는 Class Unloading이 자동으로 이루어진다. -XX:+TraceClassUnloading로 확인 가능.
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• Controlling GC pauses with the GarbageFirst Collector - Tuning Guidelines for Java Garbage Collection, Part 3 « mgm technology blog
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