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Date: Sun, 1 Apr 2012 16:06:28 +0000 (UTC)
From: "Ted Yu (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HBASE-5693) When creating a region, the master
 initializes it and creates a memstore within the master server
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    [ https://issues.apache.org/jira/browse/HBASE-5693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13243762#comment-13243762 ] 

Ted Yu commented on HBASE-5693:
-------------------------------

It is called from OpenRegionHandler.openRegion()

I once made some threads daemon which passed unit tests but resulted in master and region server failing to start.

Testing on a real cluster is desirable.
                
> When creating a region, the master initializes it and creates a memstore within the master server
> -------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-5693
>                 URL: https://issues.apache.org/jira/browse/HBASE-5693
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, regionserver
>    Affects Versions: 0.96.0
>            Reporter: nkeywal
>            Assignee: nkeywal
>            Priority: Minor
>         Attachments: 5693.v1.patch
>
>
> I didn't do a complete analysis, but the attached patch saves more than 0.25s for each region creation and locally all the unit tests work.

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