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From "Jeff Whiting (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6165) Replication can overrun .META. scans on cluster re-start
Date Mon, 10 Sep 2012 23:00:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452552#comment-13452552
] 

Jeff Whiting commented on HBASE-6165:
-------------------------------------

@stack and @jdcryans  Thanks for the explanation.  I can see how it would deadlock on itself.
I also found HBASE-3401 which talks about the deadlock.  We patched our cdh4 cluster with
HBASE-6724 and it has been running much smoother.  
                
> Replication can overrun .META. scans on cluster re-start
> --------------------------------------------------------
>
>                 Key: HBASE-6165
>                 URL: https://issues.apache.org/jira/browse/HBASE-6165
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Elliott Clark
>            Assignee: Himanshu Vashishtha
>             Fix For: 0.96.0, 0.94.2
>
>         Attachments: 6165-v6.txt, HBase-6165-94-v1.patch, HBase-6165-94-v2.patch, HBase-6165-v1.patch,
HBase-6165-v2.patch, HBase-6165-v3.patch, HBase-6165-v4.patch, HBase-6165-v5.patch
>
>
> When restarting a large set of regions on a reasonably small cluster the replication
from another cluster tied up every xceiver meaning nothing could be onlined.

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