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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-478) offlining of table does not run reliably
Date Mon, 05 May 2008 23:11:56 GMT

    [ https://issues.apache.org/jira/browse/HBASE-478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12594391#action_12594391

stack commented on HBASE-478:

+1 on this patch.

I tested with a big table.  I was able to disable, then enable, and then scan the whole thing.
 I then did a remove and all regions were cleared from the .META. (dropping a table that has
not been first disabled comes back with success though nothing happened but this is a HQL
bug and HQL is going bye-byes so not a worry).  Its not removing the table directory but thats
another issue.

Regards tests for enable/disable, maybe add them to TRUNK if can figure an easy means of making
assertions (Scan of .META. and all regions are on or offline?) otherwise, lets worry about
it next time we break this facility (smile).  Lets not tests get in way of adding this patch
to branch.

> offlining of table does not run reliably
> ----------------------------------------
>                 Key: HBASE-478
>                 URL: https://issues.apache.org/jira/browse/HBASE-478
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.2.0, 0.1.2, 0.1.1
>            Reporter: stack
>            Assignee: Jim Kellerman
>            Priority: Critical
>             Fix For: 0.1.2
>         Attachments: 478-0.1-v2.patch, 478-0.1.patch
> I have a table of 4 regions made w/ PE.  I cannot reliably offline it.  I'm using 'disable
TestTable' and have traced it to ensure its not a problem in hql.    What I see is that one
region will get the offlined mark or maybe two.. but never all.
> Jim in IRC suggested that if we did the .TABLE. catalog table, offlining the entry there
might be more reliable than trying to offline all regions in a table.

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