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https://issues.apache.org/jira/browse/MAPREDUCE-258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747883#action_12747883
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Chris Douglas commented on MAPREDUCE-258:
-----------------------------------------
Thanks for updating us, Greg. Per my last comment, this issue seems dead for
now, at least as long as we keep the transfer in the servlet. Our measurements
don't suggest that we're bottlenecked here at the moment, but we'll be sure to
check back when we revisit this. Thanks for your help.
> Update MapOutputServlet to use NIO channels
> -------------------------------------------
>
> Key: MAPREDUCE-258
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-258
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Chris Douglas
> Assignee: Chris Douglas
> Attachments: RangedDefaultServlet.java
>
>
> The TaskTracker can serve the map output segments using
> RandomAccessFileBuffer, added in
> [JETTY-748|https://jira.codehaus.org/browse/JETTY-748].
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