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https://issues.apache.org/jira/browse/YARN-6757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Templeton updated YARN-6757:
-----------------------------------
Description:
We should add the ability to specify a custom cgroup path. This is how the
documentation of {{linux-container-executor.cgroups.mount-path}} would look
like:
{code}
Requested cgroup mount path. Yarn has built in functionality to discover
the system cgroup mount paths, so use this setting only, if the discovery
does not work.
This path must exist before the NodeManager is launched.
The location can vary depending on the Linux distribution in use.
Common locations include /sys/fs/cgroup and /cgroup.
If cgroups are not mounted, set
yarn.nodemanager.linux-container-executor.cgroups.mount
to true. In this case it specifies, where the LCE should attempt to mount
cgroups if not found.
If cgroups is accessible through lxcfs or some other file system,
then set this path and
yarn.nodemanager.linux-container-executor.cgroups.mount to false.
Yarn tries to use this path first, before any cgroup mount point discovery.
If it cannot find this directory, it falls back to searching for cgroup
mount points in the system.
Only used when the LCE resources handler is set to the
CgroupsLCEResourcesHandler
{code}
was:
We should add the ability to specify a custom cgroup path. This is how the
documentation of inux-container-executor.cgroups.mount-path would look like:
{code}
Requested cgroup mount path. Yarn has built in functionality to discover
the system cgroup mount paths, so use this setting only, if the discovery
does not work.
This path must exist before the NodeManager is launched.
The location can vary depending on the Linux distribution in use.
Common locations include /sys/fs/cgroup and /cgroup.
If cgroups are not mounted, set
yarn.nodemanager.linux-container-executor.cgroups.mount
to true. In this case it specifies, where the LCE should attempt to mount
cgroups if not found.
If cgroups is accessible through lxcfs or some other file system,
then set this path and
yarn.nodemanager.linux-container-executor.cgroups.mount to false.
Yarn tries to use this path first, before any cgroup mount point discovery.
If it cannot find this directory, it falls back to searching for cgroup
mount points in the system.
Only used when the LCE resources handler is set to the
CgroupsLCEResourcesHandler
{code}
> Refactor the usage of
> yarn.nodemanager.linux-container-executor.cgroups.mount-path
> ----------------------------------------------------------------------------------
>
> Key: YARN-6757
> URL: https://issues.apache.org/jira/browse/YARN-6757
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 3.0.0-alpha4
> Reporter: Miklos Szegedi
> Assignee: Miklos Szegedi
> Priority: Minor
> Attachments: YARN-6757.000.patch
>
>
> We should add the ability to specify a custom cgroup path. This is how the
> documentation of {{linux-container-executor.cgroups.mount-path}} would look
> like:
> {code}
> Requested cgroup mount path. Yarn has built in functionality to discover
> the system cgroup mount paths, so use this setting only, if the discovery
> does not work.
> This path must exist before the NodeManager is launched.
> The location can vary depending on the Linux distribution in use.
> Common locations include /sys/fs/cgroup and /cgroup.
> If cgroups are not mounted, set
> yarn.nodemanager.linux-container-executor.cgroups.mount
> to true. In this case it specifies, where the LCE should attempt to mount
> cgroups if not found.
> If cgroups is accessible through lxcfs or some other file system,
> then set this path and
> yarn.nodemanager.linux-container-executor.cgroups.mount to false.
> Yarn tries to use this path first, before any cgroup mount point
> discovery.
> If it cannot find this directory, it falls back to searching for cgroup
> mount points in the system.
> Only used when the LCE resources handler is set to the
> CgroupsLCEResourcesHandler
> {code}
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