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https://issues.apache.org/jira/browse/HADOOP-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HADOOP-1542:
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Assignee: Devaraj Das
Priority: Blocker (was: Major)
This seems like a blocker until we understand what is happening.
> Speculative execution used when property set to false
> -----------------------------------------------------
>
> Key: HADOOP-1542
> URL: https://issues.apache.org/jira/browse/HADOOP-1542
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Reporter: Nigel Daley
> Assignee: Devaraj Das
> Priority: Blocker
> Attachments: jobtracker.log, namenode.log
>
>
> Speculative execution is now on by default. When running TestDFSIO, I set
> speculative execution off in my mapred-default.xml since this test has maps
> that create files in DFS (side-effects).
> However, it seems that speculative tasks get started even though I have set
> speculation off. I'll attached the NN and JT logs.
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