the heartbeat and task event queries interval should be set dynamically by the
JobTracker
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Key: HADOOP-1900
URL: https://issues.apache.org/jira/browse/HADOOP-1900
Project: Hadoop
Issue Type: Improvement
Components: mapred
Reporter: Owen O'Malley
Assignee: Owen O'Malley
The JobTracker should scale the intervals that the TaskTrackers use to contact
it dynamically, based on how the busy it is and the size of the cluster.
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