A lab on Troubleshooting and Performance Tuning WAS Liberty and Traditional WAS covering various topics like CPU usage, thread dumps, garbage collection, memory analysis, profiling, and more. The Docker container provides a full Linux VM with GUI (see screenshots below) which runs on Windows, Mac, and Linux hosts.
A kubectl plugin that utilize tcpdump and Wireshark to start a remote capture on any pod in your Kubernetes cluster.
You get the full power of Wireshark with minimal impact on your running pods
This doc is about cluster troubleshooting; we assume you have already ruled out your application as the root cause of the problem you are experiencing. See the application troubleshooting guide for tips on application debugging. You may also visit troubleshooting document for more information.