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How to Change JVM Heap settings of apache tomcat in Linux




1. Go to apache installation folder

                    # cd /home/apache-tomcat-8.5.4/bin/

2. Edit setenv.sh as follows

                    # vim setenv.sh
       
JAVA_HOME=/usr/lib/jvm/jdk1.8.0_131/
export CATALINA_OPTS="$CATALINA_OPTS -Xms1024m"
export CATALINA_OPTS="$CATALINA_OPTS -Xmx1024m"
export CATALINA_OPTS="$CATALINA_OPTS -XX:MaxPermSize=512m"


3. Save the file

4. Execute the command

                       # ./catalina.sh

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