Tuning the Garbage Collector

Product Documentation : Ehcache Operations Guide : Tuning Garbage Collection : Tuning the Garbage Collector

Tuning suggestion for virtual machines with large heaps using caching:

java ... -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC
-XX:NewSize=<1/4 of total heap size> -XX:SurvivorRatio=16

Note that it is better to use -XX:+DisableExplicitGC, instead of calling System.gc(). It also helps to use the low pause collector -XX:+UseConcMarkSweepGC.

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