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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-724) Pipeline close hangs if one of the datanode is not responsive.
Date Wed, 21 Oct 2009 23:59:59 GMT
Pipeline close hangs if one of the datanode is not responsive.
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                 Key: HDFS-724
                 URL: https://issues.apache.org/jira/browse/HDFS-724
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node, hdfs client
            Reporter: Tsz Wo (Nicholas), SZE


In the new pipeline design, pipeline close is implemented by sending an additional empty packet.
 If one of the datanode does not response to this empty packet, the pipeline hangs.  It seems
that there is no timeout.

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