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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4769) Abort RegionServer Immediately on OOME
Date Wed, 20 Feb 2013 11:41:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582122#comment-13582122
] 

ramkrishna.s.vasudevan commented on HBASE-4769:
-----------------------------------------------

I think adding this config to the JVM args will give you a heap dump
-XX:+HeapDumpOnOutOfMemoryError.
                
> Abort RegionServer Immediately on OOME
> --------------------------------------
>
>                 Key: HBASE-4769
>                 URL: https://issues.apache.org/jira/browse/HBASE-4769
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.0
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>             Fix For: 0.92.0, 0.94.0
>
>         Attachments: HBASE-4769.patch, HBASE-4769.patch
>
>
> Currently, when the HRegionServer runs out of the memory, it will call master, which
will cause more heap allocations and throw a second exception that it's run out of memory
again. The easiest & safest way to avoid this OOME storm is to abort the RegionServer
immediately when it hits the memory boundary.  Part of the 89-fb to trunk port.

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