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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3366) WALObservers should be notified before the lock
Date Fri, 17 Dec 2010 06:06:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12972364#action_12972364
] 

stack commented on HBASE-3366:
------------------------------

You are saying that the newly rolled file, the one that is created inside the synchronized
block, that it got some edits and these edits were not "observed" because notification of
roll happened after the new file was created? 

If so, +1 on your patch.

> WALObservers should be notified before the lock
> -----------------------------------------------
>
>                 Key: HBASE-3366
>                 URL: https://issues.apache.org/jira/browse/HBASE-3366
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.90.0
>
>         Attachments: HBASE-3366.patch
>
>
> TestReplication failed on the last 0.90 build because the log of the machine that was
killed was rolled and got a few edits in before it was put in a ZK queue.
> This fix is pretty easy, the notification should be sent before the lock is acquired
instead of after that. It shouldn't have been like that since the beginning but I guess I
missed it when I narrowed the lock.

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