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Posted to mapreduce-issues@hadoop.apache.org by "Mahadev konar (JIRA)" <ji...@apache.org> on 2011/07/08 22:55:16 UTC

[jira] [Updated] (MAPREDUCE-2661) MR-279: Accessing MapTaskImpl from TaskImpl

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mahadev konar updated MAPREDUCE-2661:
-------------------------------------

    Fix Version/s: 0.23.0
          Summary: MR-279: Accessing MapTaskImpl from TaskImpl  (was: Accessing MapTaskImpl from TaskImpl)

> MR-279: Accessing MapTaskImpl from TaskImpl
> -------------------------------------------
>
>                 Key: MAPREDUCE-2661
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2661
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>            Priority: Minor
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2661.patch, MAPREDUCE-2661_rev2.patch
>
>
> We are directly accessing MapTaskImpl in TaskImpl.InitialScheduleTransition.transition(..). It'll be better to reorganize the code so each subclass can provide its own behavior instead of explicitly checking for the subclass type. 

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