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https://issues.apache.org/jira/browse/MAPREDUCE-4128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250360#comment-13250360
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Bikas Saha commented on MAPREDUCE-4128:
---------------------------------------
Correction.
bq.This fixes the repro case mentioned above. I have improved that testcase to
cover -Scenario 1- Scenario 2. -Scenario 2- Scenario 1 will be covered in
MAPREDUCE-3921.
> AM Recovery expects all attempts of a completed task to also be completed.
> --------------------------------------------------------------------------
>
> Key: MAPREDUCE-4128
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4128
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 3.0.0
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Fix For: 3.0.0
>
> Attachments: MAPREDUCE-4128.patch
>
>
> The AM seems to assume that all attempts of a completed task (from a previous
> AM incarnation) would also be completed. There is at least one case in which
> this does not hold. Case being cancellation of a completed task resulting in
> a new running attempt.
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