How to Monitor Memory Issues
On a production system, it is recommended to monitor overall memory usage on a daily basis either manually using the GC log file, or automatically using tools, such as PSM or VisualVM.
You can monitor the memory usage using any of the following tools. You can use one or more tools together to get a holistic view on the memory usage in a solution.
PSM metrics and graphs
GC log analysis
Java VisualVM
Heap dumps
Tomcat Apache logs
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