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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8675) IBRs from dead DNs go into infinite loop
Date Fri, 26 Jun 2015 16:31:04 GMT
Daryn Sharp created HDFS-8675:

             Summary: IBRs from dead DNs go into infinite loop
                 Key: HDFS-8675
                 URL: https://issues.apache.org/jira/browse/HDFS-8675
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode
    Affects Versions: 2.6.0
            Reporter: Daryn Sharp

If the DN sends an IBR after the NN declares it dead, the NN returns an IOE of unregistered
or dead.  The DN catches the IOE, ignores it, and infinitely loops spamming the NN with retries.

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