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https://issues.apache.org/jira/browse/HADOOP-4100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628877#action_12628877
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Devaraj Das commented on HADOOP-4100:
-------------------------------------
Hemanth, that's right. Every job will have at most one cleanup task (multiple
attempts might happen due to failures just like a regular task). I don't think
it is critical to keep track of this from the point of view of fairness/quotas,
etc.
> Scheduler.assignTasks should not be dealing with cleanupTask
> ------------------------------------------------------------
>
> Key: HADOOP-4100
> URL: https://issues.apache.org/jira/browse/HADOOP-4100
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.19.0
> Reporter: Devaraj Das
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.19.0
>
>
> HADOOP-3150 introduced the notion of a cleanupTask. The implementation of the
> scheduling of the cleanupTask is such that the schedulers have to be aware of
> the cleanupTask. It would be very nice if schedulers didn't have to be aware
> of this special task. There is a discussion thread -
> https://issues.apache.org/jira/browse/HADOOP-3150?focusedCommentId=12628635#action_12628635
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