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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8081) Backport HBASE-7213 (separate hlog for meta tables) to 0.94
Date Tue, 19 Mar 2013 19:59:15 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das updated HBASE-8081:
-------------------------------

    Release Note: The regionserver carrying .META. / -ROOT- region will now write two WALs;
the usual one w/ all edits and then a special one with a .meta. suffix into which all edits
for .META. / -ROOT- region go. These files will be recovered first on server crash. This feature
is turned OFF by default. The configuration hbase.regionserver.separate.hlog.for.meta must
be set to true to enable this behavior.
    
> Backport HBASE-7213 (separate hlog for meta tables) to 0.94
> -----------------------------------------------------------
>
>                 Key: HBASE-8081
>                 URL: https://issues.apache.org/jira/browse/HBASE-8081
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.5
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.94.7
>
>         Attachments: 7213-0.94-2.patch, 7213-0.94-3.patch, 7213-0.94.patch, 7213-0.94-with-config-1.patch,
7213-0.94-with-config.patch
>
>
> I am interested in backporting HBASE-7213 to 0.94. Helps to address more of the MTTR
story. Offline discussion with Lars indicated he is interested as well.

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