[gridengine users] slots equals cores
w.hay at ucl.ac.uk
Mon Feb 3 10:10:20 UTC 2020
On Fri, Jan 31, 2020 at 06:26:19PM +0100, Reuti wrote:
> > Am 31.01.2020 um 18:23 schrieb Jerome IBt <jerome at ibt.unam.mx>:
> > Le 31/01/2020 à 10:19, Reuti a écrit :
> >> Hi Jérôme,
> >> Personally I would prefer to keep the output of `qquota` short and use it only for users's limits. I.e. defining the slot limit on an exechost basis instead. This can also be done in a loop containing a command line like:
> >> $ qconf -mattr exechost complex_values slots=16 node29
> >> My experience is, that sometime RQS are screwed up especially if used in combination with some load values (although $num_proc is of course fixed in your case).
> >> -- Reuti
> >> Dear Reuti,
> > If i understand correctly, you recomend me to disable the RQS for the
> > case of core, and add a complex_value of slots for all of the computes
> > nodes?
> Exactly. Doing it on the command line within a loop is not so laborious and it's a fixed feature of a node which will never change during its lifetime.
You don't even really need the loop as such. qconf -mattr will take multiple hostnames. I tend to feed it arguments with
qhost -l status=POLICYOFF |xargs -r qconf -mattr exechost complex_values status=OK
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