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Posted to issues@hbase.apache.org by "Guido Serra aka Zeph (JIRA)" <ji...@apache.org> on 2013/02/20 12:29:13 UTC

[jira] [Commented] (HBASE-4769) Abort RegionServer Immediately on OOME

    [ https://issues.apache.org/jira/browse/HBASE-4769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582112#comment-13582112 ] 

Guido Serra aka Zeph commented on HBASE-4769:
---------------------------------------------

guys... this is so stupid... I lost the whole morning cause HBase's RegionServer was dying with no logs, no nothing... how Am I supposed to debug the issue if u do not even generate a core dump? or a log message? ... argh
                
> 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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