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authorFlorian Klink <flokli@flokli.de>2020-11-22 22:35:42 +0100
committerGitHub <noreply@github.com>2020-11-22 22:35:42 +0100
commitc76891314d2f84a75c6591c9e568bca6019b940f (patch)
treeb5dac443182a494c0c1337f62938904d0093a33b /nixos/doc
parenta62e6738af0b0019195d21f7b35f528bc858bade (diff)
parent90d5bdb12fc4db671db9ec11043fe26f51c88404 (diff)
Merge pull request #104094 from flokli/systemd-unified-cgroup-hierarchy
systemd: switch to unified cgroup hierarchy by default
Diffstat (limited to 'nixos/doc')
-rw-r--r--nixos/doc/manual/release-notes/rl-2103.xml13
1 files changed, 13 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2103.xml b/nixos/doc/manual/release-notes/rl-2103.xml
index 10d5cda77464..a099bbb76384 100644
--- a/nixos/doc/manual/release-notes/rl-2103.xml
+++ b/nixos/doc/manual/release-notes/rl-2103.xml
@@ -277,6 +277,19 @@
<literal>unbound-control</literal> without passing a custom configuration location.
</para>
</listitem>
+ <listitem>
+ <para>
+ NixOS now defaults to the unified cgroup hierarchy (cgroupsv2).
+ See the <link xlink:href="https://www.redhat.com/sysadmin/fedora-31-control-group-v2">Fedora Article for 31</link>
+ for details on why this is desirable, and how it impacts containers.
+ </para>
+ <para>
+ If you want to run containers with a runtime that does not yet support cgroupsv2,
+ you can switch back to the old behaviour by setting
+ <xref linkend="opt-systemd.enableUnifiedCgroupHierarchy"/> = <literal>false</literal>;
+ and rebooting.
+ </para>
+ </listitem>
</itemizedlist>
</section>
</section>