tomcat:配置-catalina.sh

set JAVA_OPTS="-Xms4g

-Xmx4g

-Xmn1.5g

-XX:PermSize=256m

-XX:MaxPermSize=256m

-Xss228k

-XX:+UseFastAccessorMethods

-XX:+DisableExplicitGC

-XX:+UseBiasedLocking

-XX:+UseConcMarkSweepGC

-XX:+ExplicitGCInvokesConcurrent

-XX:+CMSClassUnloadingEnabled

XX:+AggressiveOpts

-XX:+UseCMSCompactAtFullCollection

-XX:CMSInitiatingOccupancyFraction=70

-XX:+HeapDumpOnOutOfMemoryError"