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https://issues.apache.org/jira/browse/MAPREDUCE-2661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13064189#comment-13064189
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Ahmed Radwan commented on MAPREDUCE-2661:
-----------------------------------------
Typo:
I meant 'simpler' in my previous comment: "it will be simpler that way", not
'similar'.
> 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,
> MAPREDUCE-2661_rev3.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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