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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-776) Master not reassigning .META. from failed/failing regionserver
Date Tue, 05 Aug 2008 19:08:44 GMT

     [ https://issues.apache.org/jira/browse/HBASE-776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-776.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.2.0

HBASE-751 is supposed to contain fix. Will reopen if seen again. 

> Master not reassigning .META. from failed/failing regionserver
> --------------------------------------------------------------
>
>                 Key: HBASE-776
>                 URL: https://issues.apache.org/jira/browse/HBASE-776
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.2.0
>         Environment: CentOS x86_64, JDK 1.6, Hadoop 0.17.1, HBase 0.2.0, r679585, Fri
Jul 25 16:47:26 UTC 2008
>            Reporter: Andrew Purtell
>             Fix For: 0.2.0
>
>         Attachments: hbase-hadoop-master-sjdc-atr-dc-1.log, hbase-hadoop-regionserver-sjdc-atr-dc-13.log,
master_gui.png
>
>
> In our environment sometimes the regionserver carrying META is also assigned to the 'content'
table, into which objects retrieved from Internet crawling is stored. For unclear reason the
regionserver occasionally goes "deaf" (seperate issue) and when this happens META is no longer
available. The master then never reassigns META, so the whole cluster is down from this point
and does not recover. Logs attached.

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