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https://issues.apache.org/jira/browse/HADOOP-846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12462012
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Hadoop QA commented on HADOOP-846:
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+1, because
http://issues.apache.org/jira/secure/attachment/12348190/846.new.patch applied
and successfully tested against trunk revision r492232.
> Progress report is not sent during the intermediate sorts in the map phase
> --------------------------------------------------------------------------
>
> Key: HADOOP-846
> URL: https://issues.apache.org/jira/browse/HADOOP-846
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Reporter: Devaraj Das
> Assigned To: Devaraj Das
> Attachments: 846-correct.patch, 846.new.patch, 846.patch
>
>
> Have seen tasks getting lost at the TaskTracker's end due to MapTask's
> progress not getting reported for a long time (the configured timeout). The
> progress report is currently not sent in the intermediate sort phases in the
> MapTask. But, if for some reason, the sort takes a long time, the TaskTracker
> might kill the task.
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