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https://issues.apache.org/jira/browse/MAPREDUCE-3862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208955#comment-13208955
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Hadoop QA commented on MAPREDUCE-3862:
--------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12514725/MAPREDUCE-3862.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+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 passed unit tests in .
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1870//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1870//console
This message is automatically generated.
> Nodemanager can appear to hang on shutdown due to lingering DeletionService
> threads
> -----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3862
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3862
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, nodemanager
> Affects Versions: 0.23.1
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Attachments: MAPREDUCE-3862.patch, MAPREDUCE-3862.patch
>
>
> When a nodemanager attempts to shutdown cleanly, it's possible for it to
> appear to hang due to lingering DeletionService threads. This can occur when
> yarn.nodemanager.delete.debug-delay-sec is set to a relatively large value
> and one or more containers executes on the node shortly before the shutdown.
> The DeletionService is never calling
> {{setExecuteExistingDelayedTasksAfterShutdownPolicy()}} on the
> ScheduledThreadPoolExecutor, and it defaults to waiting for all scheduled
> tasks to complete before exiting.
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