Java虚拟机参数实践

-server
-Xms3550m -Xmx3550m -Xmn2g
-XX:PermSize=128m
-XX:MaxPermSize=320m
-XX:SurvivorRatio=8

-verbose:gc
-Xloggc:/opt/logs/xxx/app-gc.log
-XX:+PrintGCDetails
-XX:+PrintGCDateStamps
-XX:+PrintGCTimeStamps
-XX:-OmitStackTraceInFastThrow
-XX:+PrintGCApplicationStoppedTime

-XX:+UseConcMarkSweepGC
-XX:CMSInitiatingOccupancyFraction=70
-XX:+UseCMSCompactAtFullCollection
-XX:+CMSParallelRemarkEnabled
-XX:+CMSClassUnloadingEnabled
-XX:SoftRefLRUPolicyMSPerMB=0

posted @ 2016-01-22 11:28  xiaoskery  阅读(173)  评论(0)  编辑  收藏  举报