Ehcache 2.10.5 | Product Documentation | Ehcache Operations Guide | Tuning Garbage Collection | Tuning the Garbage Collector
 
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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