[slurm-users] Fairshare - root user

[Marcus Wagner]

Hi Will,

as long as you do not submit massive number of jobs as root, there 
should be no problem.
This is only a priority thing, so root will have a fairly high priority, 
it does not mean, the users can only use half of your cluster.


Best
Marcus

On 2/27/19 2:43 PM, Will Dennis wrote:
> Looking at output of 'sshare", I see:
>
> root at myserver:~# sshare -l
>               Account       User  RawShares  NormShares    RawUsage   NormUsage  EffectvUsage  FairShare
> -------------------- ---------- ---------- ----------- ----------- ----------- ------------- ----------
> root                                          1.000000      420622                  1.000000   0.500000
>   root                      root          1    0.500000           0    0.000000      0.000000   1.000000
>   mygroup                                 1    0.500000      420622    1.000000      1.000000   0.250000
>    subgroup_1                           100    0.333333      420622    1.000000      1.000000   0.125000
>    subgroup_2                            50    0.166667           0    0.000000      0.333333   0.250000
>
> It it OK that 'root' user has what looks like 50% shares of the entire cluster, leaving the other 50% to all the other users? If it's not an issue, OK, but if it is, any way to reduce the 'root' share?
>
> Thanks,
> Will

-- 
Marcus Wagner, Dipl.-Inf.

IT Center
Abteilung: Systeme und Betrieb
RWTH Aachen University
Seffenter Weg 23
52074 Aachen
Tel: +49 241 80-24383
Fax: +49 241 80-624383
wagner at itc.rwth-aachen.de
www.itc.rwth-aachen.de