The reduce tasks poll for mapoutputs in a loop
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Key: HADOOP-380
URL: http://issues.apache.org/jira/browse/HADOOP-380
Project: Hadoop
Issue Type: Bug
Components: mapred
Reporter: Mahadev konar
Assigned To: Mahadev konar
Fix For: 0.5.0
Attachments: polling.patch
The Reduce tasks poll for the mapoutputs in a loop. The polling thread should
be sleeping for 5 seconds before polling again but there is a bug in updating
the timestamps which make the reduce task poll in a loop without sleeping.
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