[ClusterLabs] Problem with high load (IO)
kwenning at redhat.com
Tue Sep 28 06:55:54 EDT 2021
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
> > 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.
> 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 ?
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