Jiandan Yang created YARN-8645:
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Summary: 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
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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