In file catalina.bat (for Widows) or catalina.sh (for GNU/Linux), add this line :
CATALINA_HEAP=”-Xms256m -Xmx512m”;
This mean :
-Xms256m >> minimal heap in MB
-Xms512m >> maximal heap in MB
After that, in CATALINA_OPTS parameter, add CATALINA_HEAP value;
Before: CATALINA_OPTS=”$CATALINA_OPTS $JPDA_OPTS”
After: CATALINA_OPTS=”$CATALINA_OPTS $JPDA_OPTS $CATALINA_HEAP”
While editing your Tomcat configuration file, Tomcat status must be OFF.
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