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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1542) Speculative execution used when property set to false
Date Thu, 28 Jun 2007 21:11:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley updated HADOOP-1542:
----------------------------------

    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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