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    • add instantiateMemoryManagerMetrics in MetricUtils

      Code Block
      languagejava
      public static void instantiateMemoryManagerMetrics(
	
	MetricGroup statusMetricGroup, 
		TaskExecutor taskExecutor) {
	checkNotNull(statusMetricGroup);

	MetricGroup memoryManagerGroup = statusMetricGroup.addGroup("Managed").addGroup("Memory");
	memoryManagerGroup.<Long, Gauge<Long>>gauge("TotalCapacity",  taskExecutor::getManagedMemoryTotal);
	memoryManagerGroup.<Long, Gauge<Long>>gauge("MemoryUsed", taskExecutor::getManagedMemoryUsed);
}



    • register it in TaskManagerRunner#startTaskManager
    • taskmanager’metrics taskmanager metrics add Status.Managed.Memory.TotalCapacity and Status.Managed.Memory.MemoryUsed
    • url: /taskmanagers/:taskmanagerid
    • response: metric add managedMemoryTotal and managedMemoryUsed

There are no metrics present, yet, monitoring the JVM's Metaspace pool. The newly introduced metrics are going to be exposed through the

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/taskmanagers/metrics

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REST API.

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The web UI has to be updated as proposed above.

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