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From "Zhihong Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5541) Avoid holding the rowlock during HLog sync in HRegion.mutateRowWithLocks
Date Thu, 08 Mar 2012 23:17:57 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225661#comment-13225661
] 

Zhihong Yu commented on HBASE-5541:
-----------------------------------

Redundant step 11 comment would be removed, right ?
                
> 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.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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