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Posted to issues@hbase.apache.org by "Prakash Khemani (Created) (JIRA)" <ji...@apache.org> on 2011/10/25 23:20:32 UTC

[jira] [Created] (HBASE-4674) splitLog silently fails

splitLog silently fails
-----------------------

                 Key: HBASE-4674
                 URL: https://issues.apache.org/jira/browse/HBASE-4674
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.92.0
         Environment: splitLog() can fail silently and region can open w/o its edits getting replayed.
            Reporter: Prakash Khemani
            Assignee: Prakash Khemani
            Priority: Blocker




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[jira] [Resolved] (HBASE-4674) splitLog silently fails

Posted by "Nicolas Spiegelberg (Resolved) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HBASE-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nicolas Spiegelberg resolved HBASE-4674.
----------------------------------------

       Resolution: Duplicate
    Fix Version/s: 0.92.0

Fixed by HBASE-2312
                
> splitLog silently fails
> -----------------------
>
>                 Key: HBASE-4674
>                 URL: https://issues.apache.org/jira/browse/HBASE-4674
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>         Environment: splitLog() can fail silently and region can open w/o its edits getting replayed.
>            Reporter: Prakash Khemani
>            Assignee: Prakash Khemani
>            Priority: Blocker
>             Fix For: 0.92.0
>
>


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[jira] [Commented] (HBASE-4674) splitLog silently fails

Posted by "stack (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HBASE-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140302#comment-13140302 ] 

stack commented on HBASE-4674:
------------------------------

@Prakash Thanks
                
> splitLog silently fails
> -----------------------
>
>                 Key: HBASE-4674
>                 URL: https://issues.apache.org/jira/browse/HBASE-4674
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>         Environment: splitLog() can fail silently and region can open w/o its edits getting replayed.
>            Reporter: Prakash Khemani
>            Assignee: Prakash Khemani
>            Priority: Blocker
>


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[jira] [Commented] (HBASE-4674) splitLog silently fails

Posted by "Prakash Khemani (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HBASE-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13139857#comment-13139857 ] 

Prakash Khemani commented on HBASE-4674:
----------------------------------------

Stack, it is pretty obvious in the code. And yes, I have had seen lost
edits a number of times.

A simple way to reproduce this issue

Create a table
Kill namenode. That kills all region servers.
Master doesn't die.
Master tries to split logs and fails. But it ignores the failure and moves
on to assign regions.
Start namenode.
Start regionservers
The regions get assigned w/o their logs getting replayed.

==

BTW, the fix to this is being posted by Nicolas in HBASE-2312






                
> splitLog silently fails
> -----------------------
>
>                 Key: HBASE-4674
>                 URL: https://issues.apache.org/jira/browse/HBASE-4674
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>         Environment: splitLog() can fail silently and region can open w/o its edits getting replayed.
>            Reporter: Prakash Khemani
>            Assignee: Prakash Khemani
>            Priority: Blocker
>


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[jira] [Commented] (HBASE-4674) splitLog silently fails

Posted by "stack (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HBASE-4674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13139456#comment-13139456 ] 

stack commented on HBASE-4674:
------------------------------

You have any example of this Prakash.  Sounds pretty bad.
                
> splitLog silently fails
> -----------------------
>
>                 Key: HBASE-4674
>                 URL: https://issues.apache.org/jira/browse/HBASE-4674
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>         Environment: splitLog() can fail silently and region can open w/o its edits getting replayed.
>            Reporter: Prakash Khemani
>            Assignee: Prakash Khemani
>            Priority: Blocker
>


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