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From "Eli Reisman (JIRA)" <>
Subject [jira] [Commented] (GIRAPH-522) JMap Dumper
Date Sun, 17 Feb 2013 16:47:12 GMT


Eli Reisman commented on GIRAPH-522:

+1, this looks really useful!
> JMap Dumper
> -----------
>                 Key: GIRAPH-522
>                 URL:
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Nitay Joffe
>            Assignee: Nitay Joffe
>         Attachments: GIRAPH-522.patch
> 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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