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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4458) HBase should give actionable information when a region is compressed with a codec that is not available.
Date Fri, 23 Sep 2011 18:55:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13113658#comment-13113658
] 

stack commented on HBASE-4458:
------------------------------

So HBASE-2514 didn't work?  Or, wasn't used I suppose.  Here is doc on lzo: http://hbase.apache.org/book.html#lzo.compression
 It wasn't followed?  I agree it'd be better having issue show on master UI if we can.

> HBase should give actionable information when a region is compressed with a codec that
is not available.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-4458
>                 URL: https://issues.apache.org/jira/browse/HBASE-4458
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.90.3
>            Reporter: Jonathan Hsieh
>
> A cluster that previously used LZO codec was upgraded with the intent of moving away
from the codec to another.  Several regions failed to deploy because the LZO codec was no
longer present.  However, there was little indication that this as the problem.
> Ideally, the master web ui or hbck would detect these problems and provide why it fails
to deploy and also provide an actionable error message.

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