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https://issues.apache.org/jira/browse/YARN-6433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969425#comment-15969425
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Hadoop QA commented on YARN-6433:
---------------------------------

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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
19s{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 
39s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
39s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
22s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
23s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
34s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m  
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 13m  
3s{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed. 
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| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
18s{color} | {color:green} The patch does not generate ASF License warnings. 
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| {color:black}{color} | {color:black} {color} | {color:black} 39m 50s{color} | 
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:612578f |
| JIRA Issue | YARN-6433 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12863491/YARN-6433.002.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 11bec6d0d666 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6 
15:44:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / a41f8dd |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/15642/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/15642/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Only accessible cgroup mount directories should be selected for a controller
> ----------------------------------------------------------------------------
>
>                 Key: YARN-6433
>                 URL: https://issues.apache.org/jira/browse/YARN-6433
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>         Attachments: YARN-6433.000.patch, YARN-6433.001.patch, 
> YARN-6433.002.patch
>
>
> I have a Ubuntu16 box that returns the following error with pre-mounted 
> cgroups on the latest trunk:
> {code}
> 2017-04-03 19:42:18,511 WARN 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CGroupsHandlerImpl:
>  Cgroups not accessible /run/lxcfs/controllers/cpu,cpuacct
> {code}
> The version is:
> {code}
> $ uname -a
> Linux mybox 4.4.0-24-generic #43-Ubuntu SMP Wed Jun 8 19:27:37 UTC 2016 
> x86_64 x86_64 x86_64 GNU/Linux
> {code}
> The following cpu cgroup filesystems are mounted:
> {code}
> $ grep cpuacct /etc/mtab
> cgroup /sys/fs/cgroup/cpu,cpuacct cgroup 
> rw,nosuid,nodev,noexec,relatime,cpu,cpuacct,nsroot=/ 0 0
> cpu,cpuacct /run/lxcfs/controllers/cpu,cpuacct cgroup 
> rw,relatime,cpu,cpuacct,nsroot=/ 0 0
> {code}
> /sys/fs/cgroup is accessible to my yarn user, so it should be selected 
> instead of /run/lxcfs/controllers



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