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From "Jeffrey Zhong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7824) Improve master start up time when there is log splitting work
Date Sun, 17 Mar 2013 00:00:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13604458#comment-13604458
] 

Jeffrey Zhong commented on HBASE-7824:
--------------------------------------

I think the test case fails before with the patch is due to an existing issue which I filed
at https://issues.apache.org/jira/browse/HBASE-8127. Please see details there. Basically RITs
of disabling(or disabled) table could stuck in RIT state forever for master failover case.
The changes in the patch triggers the existing issue so we have the test failures.
                
> Improve master start up time when there is log splitting work
> -------------------------------------------------------------
>
>                 Key: HBASE-7824
>                 URL: https://issues.apache.org/jira/browse/HBASE-7824
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>            Reporter: Jeffrey Zhong
>            Assignee: Jeffrey Zhong
>         Attachments: HBASE-7824_3.patch, hbase-7824.patch, hbase-7824_v2.patch, hbase-7824_v3.patch
>
>
> When there is log split work going on, master start up waits till all log split work
completes even though the log split has nothing to do with meta region servers.
> It's a bad behavior considering a master node can run when log split is happening while
its start up is blocking by log split work. 
> Since master is kind of single point of failure, we should start it ASAP.

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