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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2009/01/27 09:19:01 UTC

[jira] Created: (HADOOP-5129) TaskTracker could send an out-of-band heartbeat when the last running map/reduce completes

TaskTracker could send an out-of-band heartbeat when the last running map/reduce completes
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                 Key: HADOOP-5129
                 URL: https://issues.apache.org/jira/browse/HADOOP-5129
             Project: Hadoop Core
          Issue Type: Improvement
          Components: mapred
    Affects Versions: 0.20.0
            Reporter: Arun C Murthy
            Assignee: Arun C Murthy


Currently the TaskTracker strictly respects the heartbeat interval, this causes utilization issues when all running tasks complete. We could send an out-of-band heartbeat in that case.

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