IBM Tivoli Composite Application Manager for Application Diagnostics, Version 7.1.0.1

Inconsistent JVM heap size value reported in Server Activity Display and System Resources

The problem: Inconsistent JVM heap size value is reported in the Server Activity Display and the System Resources pages.

The reason: This works as designed. The value reported in the Server Activity Display page is PMI data. It is the amount of memory that is in use in JVM which is calculated by total memory minus free memory in JVM. On the other hand, the value reported in the System Resources page is JMX data.


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