[ http://issues.apache.org/jira/browse/HADOOP-380?page=all ]
Doug Cutting resolved HADOOP-380.
---------------------------------
Resolution: Fixed
I just committed this. Thanks, Mahadev!
> The reduce tasks poll for mapoutputs in a loop
> ----------------------------------------------
>
> 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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