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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7800) RegionMovedException can cause servers to play ping pong with client
Date Fri, 22 Feb 2013 04:36:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13583907#comment-13583907
] 

Hudson commented on HBASE-7800:
-------------------------------

Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #415 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/415/])
    HBASE-7800 RegionMovedException can cause servers to play ping pong with client (Sergey)
(Revision 1448767)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java

                
> RegionMovedException can cause servers to play ping pong with client
> --------------------------------------------------------------------
>
>                 Key: HBASE-7800
>                 URL: https://issues.apache.org/jira/browse/HBASE-7800
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Minor
>             Fix For: 0.96.0
>
>         Attachments: HBASE-7800-v0.patch
>
>
> I need to double check the code, but from some logs it appears that if region moves from
A to B, then from B to A, and then closed on A for reason that is not move (not clear what),
and is assigned to C, A and B will play ping-pong with the client for a while until some serendipitous
occasion refreshes meta.

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