idea 内存溢出配置

-Xms4400m

-Xmx4400m

-Xmn1000m

-XX:PermSize=768m

-XX:MaxPermSize=768m

-Xss16m

-XX:ReservedCodeCacheSize=1024m

-XX:SurvivorRatio=1

-XX:+UseParNewGC

-XX:+UseConcMarkSweepGC

-XX:+UseCMSCompactAtFullCollection

-XX:+UseCMSInitiatingOccupancyOnly

-XX:CMSInitiatingOccupancyFraction=70

-XX:+CMSParallelRemarkEnabled

-XX:+CMSClassUnloadingEnabled

-XX:CMSFullGCsBeforeCompaction=0

-XX:LargePageSizeInBytes=200M

-Dsun.io.useCanonCaches=false

-Djava.net.preferIPv4Stack=true

-Dsun.rmi.dgc.client.gcInterval=10800000

-Dsun.rmi.dgc.server.gcInterval=10800000

-XX:SoftRefLRUPolicyMSPerMB=50

-XX:+DisableExplicitGC

-XX:+PrintClassHistogram

-XX:+PrintGCDetails

-XX:+PrintGCTimeStamps

-XX:+PrintHeapAtGC

-Xloggc:gc.log