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Colin Patrick McCabe commented on HDFS-7836: -------------------------------------------- I think it makes sense to have total heapsize in a JMX counter, if it's not already there somewhere. It's a pretty easy number to get from the OS, although there are confounding factors like shared libraries and shared memory segments. But in general, those should be minor contributors. > BlockManager Scalability Improvements > ------------------------------------- > > Key: HDFS-7836 > URL: https://issues.apache.org/jira/browse/HDFS-7836 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Charles Lamb > Assignee: Charles Lamb > Attachments: BlockManagerScalabilityImprovementsDesign.pdf > > > Improvements to BlockManager scalability. -- This message was sent by Atlassian JIRA (v6.3.4#6332)