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Use fs cgroups by default

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Our implementation of systemd cgroups is mixture of systemd api and
plain filesystem api. It's hard to keep it up to date with systemd and
it already contains some nasty bugs with new versions. Ideally it should
be replaced with some daemon flag which will allow to set parent systemd
slice.

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-11-04 13:51:46 -08:00
parent 37849ce1fb
commit 419fd7449f
2 changed files with 4 additions and 7 deletions
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3
daemon/execdriver/native/driver.go
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@ -74,9 +74,6 @@ func NewDriver(root, initPath string, options []string) (*Driver, error) {
// this makes sure there are no breaking changes to people
// who upgrade from versions without native.cgroupdriver opt
cgm := libcontainer.Cgroupfs
if systemd.UseSystemd() {
cgm = libcontainer.SystemdCgroups
}
// parse the options
for _, option := range options {

8
docs/reference/commandline/daemon.md
View file

@ -452,11 +452,11 @@ single `native.cgroupdriver` option is available.
The `native.cgroupdriver` option specifies the management of the container's
cgroups. You can specify `cgroupfs` or `systemd`. If you specify `systemd` and
it is not available, the system uses `cgroupfs`. By default, if no option is
specified, the execdriver first tries `systemd` and falls back to `cgroupfs`.
This example sets the execdriver to `cgroupfs`:
it is not available, the system uses `cgroupfs`. If you omit the
`native.cgroupdriver` option,` cgroupfs` is used.
This example sets the `cgroupdriver` to `systemd`:
$ sudo docker daemon --exec-opt native.cgroupdriver=cgroupfs
$ sudo docker daemon --exec-opt native.cgroupdriver=systemd
Setting this option applies to all containers the daemon launches.