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https://issues.apache.org/jira/browse/MAPREDUCE-5956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14054565#comment-14054565
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Vinod Kumar Vavilapalli commented on MAPREDUCE-5956:
----------------------------------------------------
bq. Filing a ticket, but this will take a while and so we may have to just do
(2) for the time being..
Filed YARN-2261.
> MapReduce AM should not use maxAttempts to determine if this is the last retry
> ------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5956
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5956
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: applicationmaster, mrv2
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Wangda Tan
> Priority: Blocker
>
> Found this while reviewing YARN-2074. The problem is that after YARN-2074, we
> don't count AM preemption towards AM failures on RM side, but MapReduce AM
> itself checks the attempt id against the max-attempt count to determine if
> this is the last attempt.
> {code}
> public void computeIsLastAMRetry() {
> isLastAMRetry = appAttemptID.getAttemptId() >= maxAppAttempts;
> }
> {code}
> This causes issues w.r.t deletion of staging directory etc..
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