ClusterStatus should report heap memory used
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Key: HADOOP-4929
URL: https://issues.apache.org/jira/browse/HADOOP-4929
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Amar Kamat
Priority: Minor
As of today {{ClusterStatus}} reports _total-available-heap-memory_ and
_max-heap-memory_. I think it will be useful to show the _actual_ heap memory
used i.e {{total - free}}. Note that this was introduced by HADOOP-4435.
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