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https://issues.apache.org/jira/browse/HADOOP-1281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12543788
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Arun C Murthy commented on HADOOP-1281:
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bq. Do you remember why the original code was explicitly not killing the
speculative attempts of map tasks ?
Actually I don't!
It was a long while ago (almost a year) and probably had to do with the fact
that we never ran into issues like this since not many people used
speculative-execution back then. *smile*
> Speculative map tasks aren't getting killed although the TIP completed
> ----------------------------------------------------------------------
>
> Key: HADOOP-1281
> URL: https://issues.apache.org/jira/browse/HADOOP-1281
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.15.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.16.0
>
> Attachments: HADOOP-1281_1_20071117.patch
>
>
> The speculative map tasks run to completion although the TIP succeeded since
> the other task completed elsewhere.
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