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

Amareshwari Sriramadasu updated HADOOP-5784:

Status: Patch Available (was: Open)

test-patch result:
[exec] +1 overall.
[exec] +1 @author. The patch does not contain any @author tags.
[exec] +1 tests included. The patch appears to include 3 new or modified tests.
[exec] +1 javadoc. The javadoc tool did not generate any warning messages.
[exec] +1 javac. The applied patch does not increase the total number of javac compiler warnings.
[exec] +1 findbugs. The patch does not introduce any new Findbugs warnings.
[exec] +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
[exec] +1 release audit. The applied patch does not increase the total number of release audit warnings.
ant test passed on my machine
The length of the heartbeat cycle should be configurable.

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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