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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5784) The length of the heartbeat cycle should be configurable.
Date Fri, 08 May 2009 07:11:45 GMT
The length of the heartbeat cycle should be configurable.
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                 Key: HADOOP-5784
                 URL: https://issues.apache.org/jira/browse/HADOOP-5784
             Project: Hadoop Core
          Issue Type: Improvement
          Components: mapred
            Reporter: Owen O'Malley


Currently, the hearbeat cycle is set to (# nodes / 100) in seconds. This can be too long for
clusters that need to run low latency jobs. We should make the number of heartbeats that should
arrive a second configurable.

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