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https://issues.apache.org/jira/browse/HADOOP-1336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12552577
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Michael Bieniosek commented on HADOOP-1336:
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I agree with Marco -- I don't think speculative execution is something the
average user wants by default.
> turn on speculative execution by defaul
> ---------------------------------------
>
> Key: HADOOP-1336
> URL: https://issues.apache.org/jira/browse/HADOOP-1336
> Project: Hadoop
> Issue Type: Task
> Components: mapred
> Affects Versions: 0.12.3
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.14.0
>
> Attachments: spec-exec.patch
>
>
> Now that speculative execution is working again, we should enable it by
> default.
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