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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1322) Tasktracker blacklist leads to hung jobs in single-node cluster
Date Wed, 02 May 2007 23:34:16 GMT
Tasktracker blacklist leads to hung jobs in single-node cluster
---------------------------------------------------------------

                 Key: HADOOP-1322
                 URL: https://issues.apache.org/jira/browse/HADOOP-1322
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
            Reporter: Arun C Murthy
         Assigned To: Arun C Murthy
             Fix For: 0.13.0


Post HADOOP-1278, adding _the_ tasktracker to the blacklist in single-node clusters leads
to a situation where the entire cluster is 'flaky' and no trackers are available to execute
tasks. 

The straight-forward fix to check before adding the tracker to the blacklist.

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