Pavan Kumar created GIRAPH-842:
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             Summary: option to dump histogram of memory usage when heap is low 
on memory
                 Key: GIRAPH-842
                 URL: https://issues.apache.org/jira/browse/GIRAPH-842
             Project: Giraph
          Issue Type: Bug
            Reporter: Pavan Kumar
            Assignee: Pavan Kumar
            Priority: Minor


Currently we are left in blind for jobs that OOM, it would be helpful if we can 
do a jmap -histo dump when heap has very little free space left.




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