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authorGiuseppe Scrivano <gscrivan@redhat.com>2020-06-18 13:56:30 +0200
committerGiuseppe Scrivano <gscrivan@redhat.com>2020-06-25 17:16:12 +0200
commit6ee5f740a4ecb70636b888e78b02065ee984636c (patch)
treefb01a86c33a53b78420426a6780ce938b25d068f /docs/source/markdown/podman-run.1.md
parent35cca198b31582b75304e3614f8942b83a38422e (diff)
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podman: add new cgroup mode split
When running under systemd there is no need to create yet another cgroup for the container. With conmon-delegated the current cgroup will be split in two sub cgroups: - supervisor - container The supervisor cgroup will hold conmon and the podman process, while the container cgroup is used by the OCI runtime (using the cgroupfs backend). Closes: https://github.com/containers/libpod/issues/6400 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'docs/source/markdown/podman-run.1.md')
-rw-r--r--docs/source/markdown/podman-run.1.md10
1 files changed, 6 insertions, 4 deletions
diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md
index 88666d595..83971107f 100644
--- a/docs/source/markdown/podman-run.1.md
+++ b/docs/source/markdown/podman-run.1.md
@@ -89,14 +89,16 @@ Set the cgroup namespace mode for the container.
If the host uses cgroups v1, the default is set to **host**. On cgroups v2, the default is **private**.
-**--cgroups**=**enabled**|**disabled**|**no-conmon**
+**--cgroups**=**enabled**|**disabled**|**no-conmon**|**split**
Determines whether the container will create CGroups.
-Default is **enabled**. The **disabled** option will force the container
-to not create CGroups, and thus conflicts with CGroup options
-(**--cgroupns** and **--cgroup-parent**).
+Default is **enabled**.
+
+The **enabled** option will create a new cgroup under the cgroup-parent.
+The **disabled** option will force the container to not create CGroups, and thus conflicts with CGroup options (**--cgroupns** and **--cgroup-parent**).
The **no-conmon** option disables a new CGroup only for the **conmon** process.
+The **split** option splits the current cgroup in two sub-cgroups: one for conmon and one for the container payload. It is not possible to set **--cgroup-parent** with **split**.
**--cgroup-parent**=*path*