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JVM Heap and Garbage Collection


An important aspect of performance management is a healthy JVM. The ADF Performance Monitor shows realtime or historic JVM heap usage and JVM garbage collection times. If garbage collections are running longer than a configurable threshold (for example 20 seconds) a warning sign is shown. This is often an indication of a problem – such as a freeze of all current requests because the JVM cannot clear enough memory. This should be a trigger to drill down to for further analysis in order to find the root cause.

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