How to change the minimum and maximum heap size in WebSphere

Home > Search > How-to

To change the heap size.

  1. Sign into the WebSphere web console.
  2. In the left panel, expand Servers > Server Types, and select WebSphere application servers.
  3. Select the application server.
  4. Expand Java and Process Management and select Process definition.
  5. Select Java Virtual Machine.
  6. Update the Initial heap size and/or Maximum heap size.
  7. Select Apply.
  8. Select Save.
  9. Restart the JVM for the change to take effect.

In this example, the initial heap size is 64 MB and the maximum heap size is 256 MB.


Add a Comment

We will never share your name or email with anyone. Enter your email if you would like to be notified when we respond to your comment.

Please enter in the box below so that we can be sure you are a human.