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Date: Sat, 17 Apr 2010 15:50:25 -0400 (EDT)
From: "stack (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Resolved: (HBASE-2457) RS gets stuck compacting region ad
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     [ https://issues.apache.org/jira/browse/HBASE-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-2457.
--------------------------

    Fix Version/s: 0.20.4
                   0.20.5
       Resolution: Fixed

Ok.  I applied the bandaid so I can make an RC.  On commit I changed it so we compact the last 3 files rather than the last 4 to be a little more conservative.  I did not apply to TRUNK.

> RS gets stuck compacting region ad infinitum
> --------------------------------------------
>
>                 Key: HBASE-2457
>                 URL: https://issues.apache.org/jira/browse/HBASE-2457
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.4
>            Reporter: Todd Lipcon
>            Priority: Critical
>             Fix For: 0.20.4, 0.20.5
>
>         Attachments: bandaid-v2.patch, log.gz, stack
>
>
> Testing 0.20_pre_durability@934643, I ended up in a state where one region server got stuck compacting a single region over and over again forever. This was with a special config with very low flush threshold in order to stress test flush/compact code.

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