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Posted to common-dev@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2006/11/22 00:16:06 UTC

[jira] Assigned: (HADOOP-741) Fix average progress calculation in speculative execution of maps + fix pending issues in speculative execution of reduces

     [ http://issues.apache.org/jira/browse/HADOOP-741?page=all ]

Owen O'Malley reassigned HADOOP-741:
------------------------------------

    Assignee: Sanjay Dahiya

> Fix average progress calculation in speculative execution of maps + fix pending issues in speculative execution of reduces
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-741
>                 URL: http://issues.apache.org/jira/browse/HADOOP-741
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Sanjay Dahiya
>         Assigned To: Sanjay Dahiya
>         Attachments: Hadoop-741.patch
>
>
> This issue addresses following  
> 1. Avg progress in speculative execution of map tasks should not divide / maps.length again in JonInProgress.java:331
> 2. Normal tasks should get priority over speculative tasks in reduce. JobInProgress.findNewTask should not break if a spec task is found. 
> 3. Delete directories used by PhasedFileSystem irrespective of whether speculative execution is enable to allow tasks to use PhasedFileSystem independently. 

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