52 lines
2.2 KiB
Diff
52 lines
2.2 KiB
Diff
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From 419fd7449fe1a984f582731fcd4d9455000846b0 Mon Sep 17 00:00:00 2001
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From: Alexander Morozov <lk4d4@docker.com>
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Date: Wed, 4 Nov 2015 13:51:46 -0800
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Subject: [PATCH] Use fs cgroups by default
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Our implementation of systemd cgroups is mixture of systemd api and
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plain filesystem api. It's hard to keep it up to date with systemd and
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it already contains some nasty bugs with new versions. Ideally it should
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be replaced with some daemon flag which will allow to set parent systemd
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slice.
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Signed-off-by: Alexander Morozov <lk4d4@docker.com>
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---
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daemon/execdriver/native/driver.go | 3 ---
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docs/reference/commandline/daemon.md | 8 ++++----
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2 files changed, 4 insertions(+), 7 deletions(-)
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diff --git a/daemon/execdriver/native/driver.go b/daemon/execdriver/native/driver.go
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index 09171c5..0b6cec3 100644
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--- a/daemon/execdriver/native/driver.go
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+++ b/daemon/execdriver/native/driver.go
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@@ -74,9 +74,6 @@ func NewDriver(root, initPath string, options []string) (*Driver, error) {
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// this makes sure there are no breaking changes to people
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// who upgrade from versions without native.cgroupdriver opt
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cgm := libcontainer.Cgroupfs
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- if systemd.UseSystemd() {
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- cgm = libcontainer.SystemdCgroups
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- }
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// parse the options
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for _, option := range options {
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diff --git a/docs/reference/commandline/daemon.md b/docs/reference/commandline/daemon.md
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index 91fd3c6..0721538 100644
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--- a/docs/reference/commandline/daemon.md
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+++ b/docs/reference/commandline/daemon.md
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@@ -452,11 +452,11 @@ single `native.cgroupdriver` option is available.
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The `native.cgroupdriver` option specifies the management of the container's
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cgroups. You can specify `cgroupfs` or `systemd`. If you specify `systemd` and
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-it is not available, the system uses `cgroupfs`. By default, if no option is
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-specified, the execdriver first tries `systemd` and falls back to `cgroupfs`.
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-This example sets the execdriver to `cgroupfs`:
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+it is not available, the system uses `cgroupfs`. If you omit the
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+`native.cgroupdriver` option,` cgroupfs` is used.
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+This example sets the `cgroupdriver` to `systemd`:
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- $ sudo docker daemon --exec-opt native.cgroupdriver=cgroupfs
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+ $ sudo docker daemon --exec-opt native.cgroupdriver=systemd
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Setting this option applies to all containers the daemon launches.
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