[ClusterLabs] Problem with high load (IO)

[Klaus Wenninger]

On Tue, Sep 28, 2021 at 11:23 AM Lentes, Bernd <
bernd.lentes at helmholtz-muenchen.de> wrote:

>
>
> ----- On Sep 27, 2021, at 2:51 PM, Pacemaker ML users at clusterlabs.org
> wrote:
>
> > I would use something liek this:
> >
> > ionice -c 2 -n 7 nice cp XXX YYY
> >
> > Best Regards,
> > Strahil Nikolov
>
> Just for a better understanding:
>
> ionice does not relate to the copy procedure in this commandline, but to
> the nice program.
> What is the advantage if nice does treat IO a bit more carefully ?
>

ionice, just like nice as well, does some configuration - in that mode
where the executable is given
as argument - and then exchanges the exec-context.
You can do that in a cascaded manner.

Klaus


> Is there a way in this commandline that ionice relates to the copy program
> ?
>
> What is with ionice -c 2 -n 7 (nice cp XXX YYY) ? With the brackets both
> programs are executed in the same shell.
> Would that help ?
>
> Bernd
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