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From "Sanjay Dahiya (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-741) Fix average progress calculation in speculative execution of maps + fix pending issues in speculative execution of reduces
Date Wed, 22 Nov 2006 00:58:03 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-741?page=all ]

Sanjay Dahiya updated HADOOP-741:
---------------------------------

    Attachment:     (was: Hadoop-741.patch)

> 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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