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https://issues.apache.org/jira/browse/MAPREDUCE-1276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12862096#action_12862096
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Amareshwari Sriramadasu commented on MAPREDUCE-1276:
----------------------------------------------------
Chris, can you please have a look at the patch? This is a real blocker for 0.21
release.
> Shuffle connection logic needs correction
> ------------------------------------------
>
> Key: MAPREDUCE-1276
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1276
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: task
> Affects Versions: 0.21.0
> Reporter: Jothi Padmanabhan
> Assignee: Amareshwari Sriramadasu
> Priority: Blocker
> Fix For: 0.21.0
>
> Attachments: patch-1276.txt
>
>
> While looking at the code with Amareshwari, we realized that
> {{Fetcher#copyFromHost}} marks connection as successful when
> {{url.openConnection}} returns. This is wrong. Connection is done inside
> implicitly inside {{getInputStream}}; we need to split {{getInputStream}}
> into {{connect}} and {{getInputStream}} to handle the connection and read
> time out strategies correctly.
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