Network Deployment (Distributed operating systems), v8.0 > Reference > Log and trace file descriptions
Java dump and core collection
To generate various Java dumps and cores, from within the administrative console, go to....
Troubleshooting | Java dumps and cores | servers(s)
...and then select one of the following buttons...
Heap dump Snapshot of JVM memory. It shows live objects in the memory and references between them. We can use this option to debug conditions such as...
- memory leaks
- heap fragmentation
- objects consuming the largest part of the memory
Java core Investigate why a server is hanging or investigate messages in the logs that indicate a thread has not completed its work in the expected amount of time. System dump Generate system native dumps of the server process. These dumps can be quite large.
We can analyze dumps and cores using problem determination tools available for the IBM Support Assistant.