How to Increase Heap Size for Tomcat + Windows

Tomcat can be installed in two different ways and below is the information about how to increase or set the heap size for tomcat server in both scenarios –

1. Folder installation

– Create one new environment variable JAVA_OPTS

– Set following value -Xms256m -Xmx512m

– instead of 256m and 512m , you can enter the figure as per your requirement

2. Windows installation ( service)

– Start>Apache Tomcat 6>Configure Tomcat

– You will get following dialog box, click on ‘Java’ tab

– Here you can set ‘initial’ and ‘maximum’ memory pool size

After doing any of the above steps as per your installation, you can restart the server n it will start with above heap size.

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