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From "Benoit Sigoure (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2245) Unnecessary call to syncWal(region); in HRegionServer
Date Mon, 22 Feb 2010 09:22:27 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benoit Sigoure updated HBASE-2245:
----------------------------------

    Attachment: 0001-HBASE-2245-Don-t-call-syncWal-when-not-needed.patch

Patch that resolves the issue.  All tests pass.

> Unnecessary call to syncWal(region); in HRegionServer
> -----------------------------------------------------
>
>                 Key: HBASE-2245
>                 URL: https://issues.apache.org/jira/browse/HBASE-2245
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.20.3
>            Reporter: Benoit Sigoure
>            Assignee: Benoit Sigoure
>            Priority: Minor
>         Attachments: 0001-HBASE-2245-Don-t-call-syncWal-when-not-needed.patch
>
>
> Some methods unconditionally call {{syncWal}} on the region even though the operation
specifically asks to not use the WAL.
> The most obvious example is in {{incrementColumnValue}} where, regardless of the value
of the argument {{writeToWAL}}, we always call {{syncWal(region);}}.

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