Configure java memory of tomcat

Products

• Continuous Delivery Director

Issue/Introduction

How to configure java memory for tomcat ?

Environment

Continuous Delivery Director 8.x

Resolution

Example for Minimum memory 2048M and Maximum memory 4096M

On Linux :

1. Create (or update if it already exists) a file setenv.sh under <apache_tomcat_dir>/bin containing :
   export CATALINA_OPTS="-Xms2048M -Xmx4096M"
   
   
   And add executable permissions :
   chmod +x setenv.sh
   
   
2. Restart tomcat :
   ./shutdown.sh
   ./startup.sh

In catalina.out following lines appears :

17-Jun-2024 15:01:28.012 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xms2048M
17-Jun-2024 15:01:28.012 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xmx4096M

 

On Windows :

For Windows the file to create is setenv.bat with this line :
 
set CATALINA_OPTS="-Xms2048M -Xmx4096M"