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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16144) Replication queue's lock will live forever if RS acquiring the lock has died prematurely
Date Tue, 05 Jul 2016 04:36:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361993#comment-15361993
] 

Ted Yu commented on HBASE-16144:
--------------------------------

Can you fix the findbugs warning ?

> Replication queue's lock will live forever if RS acquiring the lock has died prematurely
> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-16144
>                 URL: https://issues.apache.org/jira/browse/HBASE-16144
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.1, 1.1.5, 0.98.20
>            Reporter: Phil Yang
>            Assignee: Phil Yang
>         Attachments: HBASE-16144-v1.patch, HBASE-16144-v2.patch, HBASE-16144-v3.patch
>
>
> In default, we will use multi operation when we claimQueues from ZK. But if we set hbase.zookeeper.useMulti=false,
we will add a lock first, then copy nodes, finally clean old queue and the lock. 
> However, if the RS acquiring the lock crash before claimQueues done, the lock will always
be there and other RS can never claim the queue.



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