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Posted to yarn-dev@hadoop.apache.org by "Jiandan Yang (JIRA)" <ji...@apache.org> on 2018/08/10 03:02:00 UTC
[jira] [Created] (YARN-8645) Yarn NM fail to start when remount cpu
control group
Jiandan Yang created YARN-8645:
-----------------------------------
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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