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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9258) NN should indicate which nodes are stale
Date Fri, 16 Oct 2015 15:06:05 GMT
Daryn Sharp created HDFS-9258:

             Summary: NN should indicate which nodes are stale
                 Key: HDFS-9258
                 URL: https://issues.apache.org/jira/browse/HDFS-9258
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
    Affects Versions: 2.0.0-alpha
            Reporter: Daryn Sharp

Determining why the NN is not coming out of safemode is difficult - is it a bug or pending
block reports?  If the number of nodes appears sufficient, but there are missing blocks, it
would be nice to know which nodes haven't block reported (stale).  Instead of forcing the
NN to leave safemode prematurely, the SE can first force block reports from stale nodes.

The datanode report and the web ui's node list should contain this information.

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