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https://issues.apache.org/jira/browse/HADOOP-3229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588140#action_12588140
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Chris Douglas commented on HADOOP-3229:
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*sigh* My mistake. I thought the Progressable was retained in
FSDataOutputStream and progress was signaled with writes. It's not even
signaled during the create, so adding it is completely pointless.
The reporting in CombineOutputCollector is fine, then. We still don't have a
story for combiner-less spills; reporting progress for each partition written
wouldn't be a bad idea, but I doubt it's required. +1 for your original patch.
> 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, 3229-1.patch, 3229-1.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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