Generating a system dump
If using WebSphere Application Server, you can generate a system dump for a node to get an image of the memory of the application during runtime.
You can also generate a system dump for a cluster. Generating a cluster-level system dump creates a separate system dump file for each node in the cluster. The name and location of each system dump file display in the log of the corresponding node.
System dumps execute asynchronously, both for clusters and individual nodes.
If your environment file includes the statAvailability
attribute, ensure that it is set to distributed to enable thread dumps at the cluster level.
To generate a thread dump for a node:
You have generated a system dump for a node.