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https://issues.apache.org/jira/browse/ACCUMULO-2351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898363#comment-13898363
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William Slacum commented on ACCUMULO-2351:
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Set the process to do a head dump when it OoM's.
http://stackoverflow.com/questions/542979/using-heapdumponoutofmemoryerror-parameter-for-heap-dump-for-jboss
> Master memory leak
> ------------------
>
> Key: ACCUMULO-2351
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2351
> Project: Accumulo
> Issue Type: Bug
> Components: master
> Affects Versions: 1.5.0
> Reporter: John Vines
>
> This has been seen a few times. Master with Xms1g and Xmx4g, which should be
> more than enough. Most recent case, with 44 nodes, 1.74k tablets, and 22
> tables including !METADATA. There are NO conspicuous messages in the master
> (just DefaultLoadBalancer messages for each table). Possible exception for an
> error of "received invalid frame size of -..., are you using TTframeProtocol
> (can't remember exact message). But then the master out file has a message
> about OoM received, kill -9.
> I don't really know how to get more information out of it for when this does
> occur again.
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