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[ https://issues.apache.org/jira/browse/HADOOP-5784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-5784:
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Status: Patch Available (was: Open)

test-patch result:
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[exec] +1 @author. The patch does not contain any @author tags.
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[exec] +1 tests included. The patch appears to include 3 new or modified tests.
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[exec] +1 javac. The applied patch does not increase the total number of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs warnings.
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ant test passed on my machine
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
Assignee: Amareshwari Sriramadasu
Fix For: 0.21.0

Attachments: patch-5784-1.txt, patch-5784.txt


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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