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Posted to yarn-issues@hadoop.apache.org by "Yuriy Malygin (Jira)" <ji...@apache.org> on 2022/03/31 18:53:00 UTC
[jira] [Commented] (YARN-8645) Yarn NM fail to start when remount cpu control group
[ https://issues.apache.org/jira/browse/YARN-8645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17515510#comment-17515510 ]
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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