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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4844) Coprocessor hooks for log rolling
Date Tue, 30 Oct 2012 16:54:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487008#comment-13487008
] 

Ted Yu commented on HBASE-4844:
-------------------------------

In the patch, WALObserver methods are called after WALActionsListener methods are called.
When replication is enabled, it would be interesting to consider various failure scenarios
in Jan Van's use case.
                
> Coprocessor hooks for log rolling
> ---------------------------------
>
>                 Key: HBASE-4844
>                 URL: https://issues.apache.org/jira/browse/HBASE-4844
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 0.94.0
>            Reporter: Lars Hofhansl
>            Priority: Minor
>         Attachments: HBASE-4844__postLogRoll_and_postLogArchive_functionality_in_WALObserver.patch
>
>
> In order to eventually do point in time recovery we need a way to reliably back up the
logs. Rather than adding some hard coded changes, we can provide coprocessor hooks and folks
can implement their own policies.

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