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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