## -XX:+UseConcMarkSweepGC ParNew + CMS + Serial Old ~~~ -Xms1024m -Xmx1024m -Xmn600m -XX:MetaspaceSize=248m -XX:MaxMetaspaceSize=500m -XX:+PrintGCDetails -Xloggc://Users/mango/logs/ideagc.log -verbose:gc -Xverify:none -XX:+DisableExplicitGC -XX:+UnlockCommercialFeatures -XX:+FlightRecorder -XX:ReservedCodeCacheSize=240m -XX:+UseConcMarkSweepGC -XX:SoftRefLRUPolicyMSPerMB=50 -ea -XX:CICompilerCount=2 -Dsun.io.useCanonPrefixCache=false -Djava.net.preferIPv4Stack=true -Djdk.http.auth.tunneling.disabledSchemes="" -XX:+HeapDumpOnOutOfMemoryError -XX:-OmitStackTraceInFastThrow -Djdk.attach.allowAttachSelf=true -Dkotlinx.coroutines.debug=off -Djdk.module.illegalAccess.silent=true -XX:+UseCompressedOops -Dfile.encoding=UTF-8 -XX:ErrorFile=$USER_HOME/java_error_in_idea_%p.log -XX:HeapDumpPath=$USER_HOME/java_error_in_idea.hprof ~~~ # -XX:+UseShenandoahGC