[ http://issues.apache.org/jira/browse/HADOOP-76?page=all ]
Sanjay Dahiya updated HADOOP-76:
--------------------------------
Attachment: Hadoop-76_6.patch
This patch removes the part of killing a reduce task if another speculative
instance is running due to issue reported in HADOOP-737. Now the task is left
running till job finishes.
Also includes Owen's review comments
thanks Owen for the review.
> Implement speculative re-execution of reduces
> ---------------------------------------------
>
> Key: HADOOP-76
> URL: http://issues.apache.org/jira/browse/HADOOP-76
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.1.0
> Reporter: Doug Cutting
> Assigned To: Sanjay Dahiya
> Priority: Minor
> Attachments: Hadoop-76.patch, Hadoop-76_1.patch, Hadoop-76_2.patch,
> Hadoop-76_3.patch, Hadoop-76_4.patch, Hadoop-76_5.patch, Hadoop-76_6.patch,
> spec_reducev.patch
>
>
> As a first step, reduce task outputs should go to temporary files which are
> renamed when the task completes.
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
