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Date: Fri, 9 Mar 2012 01:49:57 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HBASE-5541) Avoid holding the rowlock during
 HLog sync in HRegion.mutateRowWithLocks
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    [ https://issues.apache.org/jira/browse/HBASE-5541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225775#comment-13225775 ] 

Hudson commented on HBASE-5541:
-------------------------------

Integrated in HBase-0.94 #22 (See [https://builds.apache.org/job/HBase-0.94/22/])
    HBASE-5541 Avoid holding the rowlock during HLog sync in HRegion.mutateRowWithLocks (Revision 1298680)

     Result = SUCCESS
larsh : 
Files : 
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java

                
> Avoid holding the rowlock during HLog sync in HRegion.mutateRowWithLocks
> ------------------------------------------------------------------------
>
>                 Key: HBASE-5541
>                 URL: https://issues.apache.org/jira/browse/HBASE-5541
>             Project: HBase
>          Issue Type: Sub-task
>          Components: client, regionserver
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.94.0
>
>         Attachments: 5541-v2.txt, 5541.txt
>
>
> Currently mutateRowsWithLocks holds the row lock while the HLog is sync'ed.
> Similar to what we do in doMiniBatchPut, we should create the log entry with the lock held, but only sync the HLog after the lock is released, along with rollback logic in case the sync'ing fails.

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