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https://issues.apache.org/jira/browse/MAPREDUCE-5956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14058278#comment-14058278
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Hadoop QA commented on MAPREDUCE-5956:
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{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12655133/MR-5956.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 4 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4726//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4726//console
This message is automatically generated.
> 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
> Affects Versions: 2.4.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Wangda Tan
> Priority: Blocker
> Attachments: MR-5956.patch, MR-5956.patch
>
>
> 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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