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https://issues.apache.org/jira/browse/YARN-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14618386#comment-14618386
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Hudson commented on YARN-2194:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #980 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk/980/])
YARN-2194. Fix bug causing CGroups functionality to fail on RHEL7. Contributed 
by Wei Yan. (vvasudev: rev c40bdb56a79fe1499c2284d493edc84620c0c078)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.java
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/test/test-container-executor.c
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/configuration.c
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/util/CgroupsLCEResourcesHandler.java
* 
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.java
* 
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestStringUtils.java


> Cgroups cease to work in RHEL7
> ------------------------------
>
>                 Key: YARN-2194
>                 URL: https://issues.apache.org/jira/browse/YARN-2194
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.0
>            Reporter: Wei Yan
>            Assignee: Wei Yan
>            Priority: Critical
>             Fix For: 2.8.0
>
>         Attachments: YARN-2194-1.patch, YARN-2194-2.patch, YARN-2194-3.patch, 
> YARN-2194-4.patch, YARN-2194-5.patch, YARN-2194-6.patch
>
>
> In RHEL7, the CPU controller is named "cpu,cpuacct". The comma in the 
> controller name leads to container launch failure. 
> RHEL7 deprecates libcgroup and recommends the user of systemd. However, 
> systemd has certain shortcomings as identified in this JIRA (see comments). 
> This JIRA only fixes the failure, and doesn't try to use systemd.



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