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From "Michael Bieniosek (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-879) When dfs restarts or moves blocks around, hbase regionservers don't notice
Date Mon, 08 Sep 2008 22:29:45 GMT
When dfs restarts or moves blocks around, hbase regionservers don't notice
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                 Key: HBASE-879
                 URL: https://issues.apache.org/jira/browse/HBASE-879
             Project: Hadoop HBase
          Issue Type: Bug
          Components: regionserver
    Affects Versions: 0.2.0
            Reporter: Michael Bieniosek
            Priority: Critical


Since the hbase regionservers use a DFSClient to keep handles open to the dfs, if the dfs
blocks move around (typically because of a dfs restart, but can also happen if datanodes die
or blocks get shuffled around), the regionserver will be unable to service the region.  It
would be nice if the DFSClient that the regionservers use could notice this case and refresh
the block list. 

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