PhpStorm.exe.vmoptions
------------------most use-------------------
-server
-Xms128m
-Xmx512m
-XX:MaxPermSize=250m
-XX:ReservedCodeCacheSize=64m
-ea
-Dsun.io.useCanonCaches=false
-Djava.net.preferIPv4Stack=true
-XX:+UseCodeCacheFlushing
-XX:+UseConcMarkSweepGC
-XX:SoftRefLRUPolicyMSPerMB=50
-----------------other------------------------
-server
-Xms128m
-Xmx512m
-XX:MaxPermSize=250m
-XX:MetaspaceSize=350m
-XX:ReservedCodeCacheSize=240m
-XX:MaxMetaspaceSize=350m
-ea
-Dsun.io.useCanonCaches=false
-Djava.net.preferIPv4Stack=true
-XX:+UseCodeCacheFlushing
-XX:SoftRefLRUPolicyMSPerMB=50
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-XX:MaxJavaStackTraceDepth=-1
-XX:+UseCMSCompactAtFullCollection
-XX:CMSFullGCsBeforeCompaction=0
-XX:CMSInitiatingOccupancyFraction=70