Question & Answer
Question
How do I set the maximum or initial heap size for WebSphere Application Server?
Answer
1. log on to the administrative console. For example: systemname:9090/ibm/console/.
2. Navigate to the Java virtual machine settings.
a. Expand Servers > Server Types and select WebSphere application servers.
b. Click the name of your server.
c. Under the Server Infrastructure group, click to expand Java and Process Management.
d. Click Process Definition.
e. Under the Additional Properties group, click Java Virtual Machine.
3. The following are recommendations for 32 bit JVM.
- Initial Heap Size: 512
- Maximum Heap Size: 1024
The following are recommendations for 64 bit JVM.
4. Click OK.- Initial Heap Size: 512
- Maximum Heap Size: 2048
5. In the messages box, click Save.
6. Click OK.
7. In the messages box, click Save.
8. Restart the WebSphere Application Server.
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Document Information
More support for:
IBM i
Component:
WebSphere Application Server
Software version:
All Versions
Operating system(s):
IBM i
Document number:
667901
Modified date:
11 October 2022
UID
nas8N1021871
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