[ 
https://issues.apache.org/jira/browse/YARN-3116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606906#comment-14606906
 ] 

Hadoop QA commented on YARN-3116:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  20m 36s | 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 2 new or modified test files. |
| {color:green}+1{color} | javac |   7m 51s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  10m 29s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 30s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 54s | The applied patch generated  1 
new checkstyle issues (total was 9, now 9). |
| {color:red}-1{color} | whitespace |   0m  1s | The patch has 2  line(s) that 
end in whitespace. Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   2m 10s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 42s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   7m 22s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   0m 35s | Tests passed in 
hadoop-yarn-api. |
| {color:green}+1{color} | yarn tests |   2m 49s | Tests passed in 
hadoop-yarn-common. |
| {color:red}-1{color} | yarn tests |   6m 40s | Tests failed in 
hadoop-yarn-server-nodemanager. |
| {color:red}-1{color} | yarn tests |  63m 25s | Tests failed in 
hadoop-yarn-server-resourcemanager. |
| | | 126m 41s | |
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|| Reason || Tests ||
| Failed unit tests | 
hadoop.yarn.server.nodemanager.TestNodeStatusUpdaterForLabels |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler |
|   | hadoop.yarn.server.resourcemanager.scheduler.TestSchedulerHealth |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler |
|   | hadoop.yarn.server.resourcemanager.TestResourceManager |
| Timed out tests | 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestNodeLabelContainerAllocation
 |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12742661/YARN-3116.v2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / d3797f9 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-YARN-Build/8382/artifact/patchprocess/diffcheckstylehadoop-yarn-common.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/8382/artifact/patchprocess/whitespace.txt
 |
| hadoop-yarn-api test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8382/artifact/patchprocess/testrun_hadoop-yarn-api.txt
 |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8382/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| hadoop-yarn-server-nodemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8382/artifact/patchprocess/testrun_hadoop-yarn-server-nodemanager.txt
 |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8382/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8382/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/8382/console |


This message was automatically generated.

> [Collector wireup] We need an assured way to determine if a container is an 
> AM container on NM
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-3116
>                 URL: https://issues.apache.org/jira/browse/YARN-3116
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, timelineserver
>            Reporter: Zhijie Shen
>            Assignee: Giovanni Matteo Fumarola
>         Attachments: YARN-3116.patch, YARN-3116.v2.patch
>
>
> In YARN-3030, to start the per-app aggregator only for a started AM 
> container,  we need to determine if the container is an AM container or not 
> from the context in NM (we can do it on RM). This information is missing, 
> such that we worked around to considered the container with ID "xxxx_01" as 
> the AM container. Unfortunately, this is neither necessary or sufficient 
> condition. We need to have a way to determine if a container is an AM 
> container on NM. We can add flag to the container object or create an API to 
> do the judgement. Perhaps the distributed AM information may also be useful 
> to YARN-2877.



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