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https://issues.apache.org/jira/browse/MAPREDUCE-4099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249032#comment-13249032
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Hadoop QA commented on MAPREDUCE-4099:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12521769/MAPREDUCE-4099.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 7 new or modified test
files.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed the unit tests build
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2168//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2168//console
This message is automatically generated.
> ApplicationMaster may fail to remove staging directory
> ------------------------------------------------------
>
> Key: MAPREDUCE-4099
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4099
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.2
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Attachments: MAPREDUCE-4099.patch
>
>
> When the ApplicationMaster shuts down it's supposed to remove the staging
> directory, assuming properties weren't set to override this behavior. During
> shutdown the AM tells the ResourceManager that it has finished before it
> cleans up the staging directory. However upon hearing the AM has finished,
> the RM turns right around and kills the AM container. If the AM is too slow,
> the AM will be killed before the staging directory is removed.
> We're seeing the AM lose this race fairly consistently on our clusters, and
> the lack of staging directory cleanup quickly leads to filesystem quota
> issues for some users.
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