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https://issues.apache.org/jira/browse/HADOOP-3229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting updated HADOOP-3229:
---------------------------------

    Attachment: HADOOP-3229.patch

Reporter#progress() should be cheap enough that we can afford to call it for 
each entry, as in the attached patch.  All it does is set a flag.  Does this 
measurably hurt performance?

> Map OutputCollector does not report progress on writes
> ------------------------------------------------------
>
>                 Key: HADOOP-3229
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3229
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>         Environment: all
>            Reporter: Alejandro Abdelnur
>             Fix For: 0.17.0
>
>         Attachments: 3229-0.patch, HADOOP-3229.patch
>
>
> It seem that the collector implementation used during the map phase does not 
> report progress on writing.

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