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https://issues.apache.org/jira/browse/HADOOP-1102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley resolved HADOOP-1102.
-----------------------------------

    Resolution: Duplicate

I believe this was caused by setting the speculative execution to true in 
hadoop-site.xml, which overrides the application's settings. That will be 
addressed by fixing the config system in HADOOP-785.

> Setting speculative execution to false via setSpeculativeExecution(false) 
> doesn't seem to have effect
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1102
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1102
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.12.0
>            Reporter: Devaraj Das
>
> Noticed that RandomWriter job has speculative tasks although speculative 
> execution is explicitly set to false in the program.

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