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From "stack (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4769) Abort RegionServer Immediately on OOME
Date Thu, 10 Nov 2011 22:54:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148081#comment-13148081

stack commented on HBASE-4769:

+1 on patch (Fix 'itseft' on commit).

Outside of this patch do we need to fix our 'abort'?  Seems odd that we have 'abort' and then
this more radical 'abort', here its called 'forceAbort', where we call halt (Maybe we should
have a 'halt' method?  This patch would use it and I believe there is another halt call over
in the distributed code?).
> 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
>         Attachments: 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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