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https://issues.apache.org/jira/browse/YARN-11692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17846201#comment-17846201
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ASF GitHub Bot commented on YARN-11692:
---------------------------------------
p-szucs commented on code in PR #6821:
URL: https://github.com/apache/hadoop/pull/6821#discussion_r1599502676
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml:
##########
@@ -2087,6 +2087,20 @@
<name>yarn.nodemanager.linux-container-executor.cgroups.mount-path</name>
</property>
+ <property>
+ <description>This property sets the mount path for CGroups v2.
+ This parameter is optional, and needed to be set only in mixed mode,
+ when CGroups v2 is mounted in a different path than Cgroups v1.
+ For example, in hybrid mode, CGroups v1 controllers can be mounted in
+ /sys/fs/cgroup, while v2 can be mounted in /sys/fs/cgroup/unified folder.
Review Comment:
It happened to be a bit misleading indeed, I fixed the phrasing. Thanks for
the suggestion!
> Support mixed cgroup v1/v2 controller structure
> -----------------------------------------------
>
> Key: YARN-11692
> URL: https://issues.apache.org/jira/browse/YARN-11692
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Benjamin Teke
> Assignee: Peter Szucs
> Priority: Major
> Labels: pull-request-available
>
> There were heavy changes on the device side in cgroup v2. To keep supporting
> FGPAs and GPUs short term, mixed structures where some of the cgroup
> controllers are from v1 while others from v2 should be supported. More info:
> https://dropbear.xyz/2023/05/23/devices-with-cgroup-v2/
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