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https://issues.apache.org/jira/browse/YARN-8645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17515510#comment-17515510
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Yuriy Malygin commented on YARN-8645:
-------------------------------------
To enable this feature, set {{feature.mount-cgroup.enabled=1}} in
container-executor.cfg.
> Yarn NM fail to start when remount cpu control group
> ----------------------------------------------------
>
> Key: YARN-8645
> URL: https://issues.apache.org/jira/browse/YARN-8645
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Jiandan Yang
> Priority: Major
>
> NM failed to start when we update Yarn to latest version. NM logs are as
> follows:
> {code:java}
> 2018-08-08 16:07:01,244 INFO [main]
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CGroupsHandlerImpl:
> Mounting controller cpu at /sys/fs/cgroup/cpu
> 2018-08-08 16:07:01,246 WARN [main]
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor:
> Shell execution returned exit code: 32. Privileged Execution Operation
> Stderr:
> Feature disabled: mount cgroup
> Stdout:
> Full command array for failed execution:
> [/home/hadoop/hadoop_hbase/hadoop-current/bin/container-executor,
> --mount-cgroups, hadoop-yarn, cpu,cpuset,cpuacct=/sys/fs/cgroup/cpu]
> 2018-08-08 16:07:01,247 ERROR [main]
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CGroupsHandlerImpl:
> Failed to mount controller: cpu
> 2018-08-08 16:07:01,247 ERROR [main]
> org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor: Failed to
> bootstrap configured resource subsystems!
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerException:
> Failed to mount controller: cpu
> {code}
> The cause of error is that 351cf87c92872d90f62c476f85ae4d02e485769c disable
> mounting cgroups by default in container-executor, which make
> container-executor return non-zero when executing mount-cgroups
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