Re: A Plumber’s Wish List for Linux

From: Paul Menage
Date: Wed Oct 19 2011 - 19:10:13 EST


On Wed, Oct 19, 2011 at 4:03 PM, Lennart Poettering
<mzxreary@xxxxxxxxxxx> wrote:
>
> For our systemd usecase a cgroup.signal file would not be useful. This
> is because we actually kill all members of the service's cgroup plus the
> main process of the service, which is usually also in the service's
> cgroup but sometimes isn't (for example: when the user logs in, the
> whole /sbin/login process ends up in the user's session cgroup, and is
> removed from the original service cgroup). Since we want to avoid
> killing the main service process twice in the case where it isn't in the
> servce cgroup we'd hence prefer to have some fork throttling logic in
> place, so that we can kill members flexibly in accordance with these
> rules.

By fork-throttling, do you just mean "0 or unlimited", or would you
actually want some kind of rate-limited throttling? If the former,
than I agree with Frederick that his task counter should solve that
problem.

Paul
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