PermGen setup

Memory Setup

Jvm

> java -Xmx2g -Xms512m -XX:MaxPermSize=512m -XX:+UseConcMarkSweepGC -XX:+CMSPermGenSweepingEnabled -XX:+CMSClassUnloadingEnabled

Maven

Windows

> set MAVEN_OPTS=-Xmx2g -Xms512M -XX:MaxPermSize=3g -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC -XX:-UseGCOverheadLimit -XX:+HeapDumpOnOutOfMemoryError

Linux

> export MAVEN_OPTS=-Xmx2g -Xms512M -XX:MaxPermSize=3g -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC -XX:-UseGCOverheadLimit -XX:+HeapDumpOnOutOfMemoryError

 Tomcat

Windows

> set JAVA_OPTS=-Xmx2g -Xms512m -XX:MaxPermSize=512m -XX:+UseConcMarkSweepGC -XX:+CMSPermGenSweepingEnabled -XX:+CMSClassUnloadingEnabled

Linux

> export JAVA_OPTS=-Xmx2g -Xms512m -XX:MaxPermSize=512m -XX:+UseConcMarkSweepGC -XX:+CMSPermGenSweepingEnabled -XX:+CMSClassUnloadingEnabled