How to increase Java heap space for a tomcat app

Question

There are lots of questions that ask this or a similar question.

They all give the command that has to be executed, what I don\'t understand is where do I write this

Answer 1

you can set this in catalina.sh as CATALINA_OPTS=-Xms512m -Xmx512m

Open your tomcat-dir/bin/catalina.sh file and add following line anywhere -

CATALINA_OPTS="$CATALINA_OPTS -Xms1024m -Xmx3024m"

and restart your tomcat