Memory settings

The following sample sets

• PermGen space is set to 256 MB
• Minimum application memory is 512 MB
• Maximum application memory is 1 GB

-Xmx512m -Xms1024m -XX:MaxPermSize=256m

Max total memory in this setup is 1256 MB

Setting values in Tomcat / Windows

In the service change the execution to

  tomcat7.exe //US//[name of your tomcat service] --JvmOptions=-Xmx2g -Xms1g -XX:MaxPermSize=512m

Setting values in Tomcat / Linux

Find catalina.sh in something like: /usr/share/tomcat6/bin

Assign following line to JAVA_OPTS variable and add it into catalina.sh file.

 JAVA_OPTS="-Djava.awt.headless=true -server -Xmx512m -Xms1024m -XX:MaxPermSize=256m"