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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7329) remove flush-related records from WAL and make locking more granular
Date Wed, 23 Jan 2013 18:15:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13560889#comment-13560889
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ramkrishna.s.vasudevan commented on HBASE-7329:
-----------------------------------------------

Had time check this patch today.  Nice one.  Covering all cases.  One question,
What was the motivation in introducing a barrier?  What was the major problem wrt to close
operation prior to this patch.
Thanks Sergey.
                
> remove flush-related records from WAL and make locking more granular
> --------------------------------------------------------------------
>
>                 Key: HBASE-7329
>                 URL: https://issues.apache.org/jira/browse/HBASE-7329
>             Project: HBase
>          Issue Type: Improvement
>          Components: wal
>    Affects Versions: 0.96.0
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: 0.96.0
>
>         Attachments: 7329-findbugs.diff, 7329-v7.txt, HBASE-7329-v0.patch, HBASE-7329-v0.patch,
HBASE-7329-v0-tmp.patch, HBASE-7329-v1.patch, HBASE-7329-v1.patch, HBASE-7329-v2.patch, HBASE-7329-v3.patch,
HBASE-7329-v4.patch, HBASE-7329-v5.patch, HBASE-7329-v6.patch, HBASE-7329-v6.patch
>
>
> Comments from many people in HBASE-6466 and HBASE-6980 indicate that flush records in
WAL are not useful. If so, they should be removed.

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