[ http://issues.apache.org/jira/browse/HADOOP-76?page=all ]
Sameer Paranjpye updated HADOOP-76:
-----------------------------------
Summary: Implement speculative re-execution of reduces (was: reduce
output should first be written to a temporary file name, then moved into place)
Fix Version: 0.4
(was: 0.3)
Description:
As a first step, reduce task outputs should go to temporary files which are
renamed when the task completes.
was:This would permit speculative execution of reduce tasks.
> Implement speculative re-execution of reduces
> ---------------------------------------------
>
> Key: HADOOP-76
> URL: http://issues.apache.org/jira/browse/HADOOP-76
> Project: Hadoop
> Type: Improvement
> Components: mapred
> Versions: 0.1.0
> Reporter: Doug Cutting
> Assignee: Owen O'Malley
> Priority: Minor
> Fix For: 0.4
>
> As a first step, reduce task outputs should go to temporary files which are
> renamed when the task completes.
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