nixos/nix-daemon: Clarify daemonNiceLevel

The option doesn not currently do what some people expect,
clarify the limitations in documentation.
This commit is contained in:
Emil Karlson 2021-10-08 10:28:54 +03:00
parent f5c5f13268
commit d77c75a98e

View file

@ -189,7 +189,9 @@ in
default = 0;
description = ''
Nix daemon process priority. This priority propagates to build processes.
0 is the default Unix process priority, 19 is the lowest.
0 is the default Unix process priority, 19 is the lowest. Note that nix
bypasses nix-daemon when running as root and this option does not have
any effect in such a case.
Please note that if used on a recent Linux kernel with group scheduling,
setting the nice level will only have an effect relative to other threads