Benjamin Teke created YARN-11673:
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Summary: Extend the cgroup mount functionality to mount the v2
structure
Key: YARN-11673
URL: https://issues.apache.org/jira/browse/YARN-11673
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Benjamin Teke
YARN has a --mount-cgroup operation in the
[container-executor|https://github.com/apache/hadoop/blob/9c7b8cf54ea88833d54fc71a9612c448dc0eb78d/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c#L2929]
which mounts each controller's cgroup folder to a specified path. In cgroup v2
the controller structure changed, it's flat now, so there are no more separate
controller paths. To keep being compatible with v1 a new mount method should be
added, but its functionality could be simplified quite a bit for v2.
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