[ 
https://issues.apache.org/jira/browse/YARN-3999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648603#comment-14648603
 ] 

Hadoop QA commented on YARN-3999:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 48s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to 
include 1 new or modified test files. |
| {color:green}+1{color} | javac |   7m 56s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 44s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 48s | The applied patch generated  1 
new checkstyle issues (total was 50, now 50). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 22s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   3m  3s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   2m  3s | Tests passed in 
hadoop-yarn-common. |
| {color:red}-1{color} | yarn tests |  43m 41s | Tests failed in 
hadoop-yarn-server-resourcemanager. |
| | |  88m 24s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.yarn.server.resourcemanager.TestApplicationCleanup 
|
|   | 
hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesAppsModification |
|   | hadoop.yarn.server.resourcemanager.TestApplicationMasterService |
|   | hadoop.yarn.server.resourcemanager.TestRMAdminService |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestApplicationPriority |
|   | hadoop.yarn.server.resourcemanager.TestAMAuthorization |
|   | hadoop.yarn.server.resourcemanager.TestRMRestart |
|   | hadoop.yarn.server.resourcemanager.security.TestClientToAMTokens |
|   | hadoop.yarn.server.resourcemanager.TestClientRMService |
|   | hadoop.yarn.server.resourcemanager.ahs.TestRMApplicationHistoryWriter |
|   | hadoop.yarn.server.resourcemanager.TestRMHA |
|   | hadoop.yarn.server.resourcemanager.TestWorkPreservingRMRestart |
|   | hadoop.yarn.server.resourcemanager.scheduler.TestAbstractYarnScheduler |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption |
|   | hadoop.yarn.server.resourcemanager.security.TestAMRMTokens |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12748093/YARN-3999.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 88d8736 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-YARN-Build/8726/artifact/patchprocess/diffcheckstylehadoop-yarn-server-resourcemanager.txt
 |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8726/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8726/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8726/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP 
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/8726/console |


This message was automatically generated.

> Add a timeout when drain the dispatcher
> ---------------------------------------
>
>                 Key: YARN-3999
>                 URL: https://issues.apache.org/jira/browse/YARN-3999
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-3999.patch, YARN-3999.patch
>
>
> If external systems like ATS, or ZK becomes very slow, draining all the 
> events take a lot of time. If this time becomes larger than 10 mins, all 
> applications will expire. We can add a timeout and stop the dispatcher even 
> if not all events are drained.



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