Re: [gentoo-user] cgroups and OpenRC: Am I doing it wrong?

[tastytea]

On 2021-07-15 09:58+0200 tastytea <gentoo@××××××××.de> wrote:

> www-apps/gitea often used all 4 of my CPU cores and slowed everything
> else down. So I attempted to limit CPU usage with cgroups:
>
> I have set this in /etc/rc.conf:
>
> rc_cgroup_mode="unified"
> rc_cgroup_controllers="cpu memory io pids"
>
> And this in /etc/conf.d/gitea:
>
> rc_cgroup_settings="
>     cpu.shares 128
>     cpu.cfs_period_us 1000000
>     cpu.cfs_quota_us  1000000
>     memory.limit_in_bytes 8G
> "

The error was that I used documentation for cgroups v1 instead of v2¹.
🤦The right values are:

rc_cgroup_settings="
    cpu.max 1000000 1000000
    memory.high 7G
    memory.max 8G
"

¹ <https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html>

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