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Choose default-cgroup parent by cgroup driver

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It's "/docker" for cgroupfs and "system.slice" for systemd.

Fix #19140

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2016-01-06 13:59:01 -08:00 committed by Tibor Vass
parent f06e5cb692
commit 6a6c99d7fe
2 changed files with 6 additions and 5 deletions
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5
docs/reference/commandline/daemon.md
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@ -20,7 +20,7 @@ weight = -1
--authz-plugin=[] Set authorization plugins to load --authz-plugin=[] Set authorization plugins to load
-b, --bridge="" Attach containers to a network bridge -b, --bridge="" Attach containers to a network bridge
--bip="" Specify network bridge IP --bip="" Specify network bridge IP
--cgroup-parent=/docker Set parent cgroup for all containers --cgroup-parent= Set parent cgroup for all containers
-D, --debug Enable debug mode -D, --debug Enable debug mode
--default-gateway="" Container default gateway IPv4 address --default-gateway="" Container default gateway IPv4 address
--default-gateway-v6="" Container default gateway IPv6 address --default-gateway-v6="" Container default gateway IPv6 address
@ -647,7 +647,8 @@ set like this:
# Default cgroup parent # Default cgroup parent
The `--cgroup-parent` option allows you to set the default cgroup parent The `--cgroup-parent` option allows you to set the default cgroup parent
to use for containers. If this option is not set, it defaults to `/docker`. to use for containers. If this option is not set, it defaults to `/docker` for
fs cgroup driver and `system.slice` for systemd cgroup driver.
If the cgroup has a leading forward slash (`/`), the cgroup is created If the cgroup has a leading forward slash (`/`), the cgroup is created
under the root cgroup, otherwise the cgroup is created under the daemon under the root cgroup, otherwise the cgroup is created under the daemon

4
man/docker-daemon.8.md
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@ -10,7 +10,7 @@ docker-daemon - Enable daemon mode
[**--authz-plugin**[=*[]*]] [**--authz-plugin**[=*[]*]]
[**-b**|**--bridge**[=*BRIDGE*]] [**-b**|**--bridge**[=*BRIDGE*]]
[**--bip**[=*BIP*]] [**--bip**[=*BIP*]]
[**--cgroup-parent**[=*/docker*]] [**--cgroup-parent**[=*[]*]]
[**--cluster-store**[=*[]*]] [**--cluster-store**[=*[]*]]
[**--cluster-advertise**[=*[]*]] [**--cluster-advertise**[=*[]*]]
[**--cluster-store-opt**[=*map[]*]] [**--cluster-store-opt**[=*map[]*]]
@ -82,7 +82,7 @@ format.
Use the provided CIDR notation address for the dynamically created bridge (docker0); Mutually exclusive of \-b Use the provided CIDR notation address for the dynamically created bridge (docker0); Mutually exclusive of \-b
**--cgroup-parent**="" **--cgroup-parent**=""
Set parent cgroup for all containers. Default is "/docker". Set parent cgroup for all containers. Default is "/docker" for fs cgroup driver and "system.slice" for systemd cgroup driver.
**--cluster-store**="" **--cluster-store**=""
URL of the distributed storage backend URL of the distributed storage backend