Re: Allocating resource to achieve predictable run times

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Hi.

On Mon, Jun 17, 2019 at 02:15:19PM +0100, John Lane <systemd@xxxxxxxxxxx> wrote:
> I am trying to meet a requirement to have predictable execution of jobs.
> [...]
> When I say "container" I mean "an environment with reserved resources".
> I have been looking at using cgroups both directly and via systemd.
> [...]
Do you have control over what jobs are you running? Or do you wish to
have the predictable times for any kind of job (i.e. using any
potentially shareable resource)?

> Observations with a simple single-threaded test on one cpu:
> [...] but I cannot get predictable results: that 1 job or n jobs take
> the same amount of time.
Ignoring the last outlier, how do the previous measurements miss your
expectations?

Michal

(P.S. I can't tell from the public archive if I got the thread
completely or if some messages weren't delivered so I may be behind or
missing already presented context.)

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