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System resources utilization

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Piotr Anioła edited this page Nov 17, 2024 · 3 revisions

The System resources utilization section provides charts that visualise CPU consumption and garbage collector activity over time.

The Garbage Collection Activity chart shows all the garbage collections that happened between the time of the first and the last javacore in the data set. Garbage collections that happened before the first or after the last javacore generation time are not included.

  • Heap Usage is the available Java heap memory over time, based on the garbage collection data from the verbose GC log files.
  • Total Heap is the maximum size of the Java heap, configured by using the Xmx Java argument, expressed in megabytes.

The CPU Load chart shows the total CPU usage of all the threads in the javacore, expressed as percentage of all the processor cores. The maximum possible value is therefore 100%, which would indicate all the cores are completely busy. Each bar represents one javacore in the data set. This value is computed incrementally with relation to the previous javacore, hence it is not available for the first javacore file.

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