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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15481) Add pre/post roll to WALObserver
Date Fri, 18 Mar 2016 20:38:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15202109#comment-15202109

Sean Busbey commented on HBASE-15481:

I think the problem with exposing this in the coprocessor interfaces is that it ties us to
a FS Path, which we weren't before. At a minimum, there should be some kind of boolean a coprocessor
can check in the WALCoprocessorEnvironment that lets them know if {{WAL}}s have corresponding
{{Path}}s and thus the coprocessor can expect these methods to be called.

> Add pre/post roll to WALObserver
> --------------------------------
>                 Key: HBASE-15481
>                 URL: https://issues.apache.org/jira/browse/HBASE-15481
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 1.3.0
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Trivial
>             Fix For: 2.0.0, 1.3.0
>         Attachments: HBASE-15481-v0.patch, HBASE-15481-v1.patch, HBASE-15481-v1.patch
> currently the WALObserver has only a pre/post Write. It will be useful to have a pre/post
Roll too. 

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