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Posted to dev@giraph.apache.org by "Nitay Joffe (JIRA)" <ji...@apache.org> on 2013/02/17 13:17:12 UTC

[jira] [Created] (GIRAPH-522) JMap Dumper

Nitay Joffe created GIRAPH-522:
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             Summary: JMap Dumper
                 Key: GIRAPH-522
                 URL: https://issues.apache.org/jira/browse/GIRAPH-522
             Project: Giraph
          Issue Type: Bug
            Reporter: Nitay Joffe
            Assignee: Nitay Joffe


We've been using this for our jobs for a while now and figured we would contribute it back. This is an observer for both worker and master (in other words for every node) that periodically dumps the output of "jmap -histo". This has been very handy for us in debugging memory issues and seeing what allocations are happening.

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