[slurm-users] Job limit in slurm.

[Ole Holm Nielsen]

Hi Navin,

Since you are new to Slurm, you may perhaps find my Slurm Wiki pages useful:
https://wiki.fysik.dtu.dk/niflheim/SLURM

These pages assume CentOS 7 Linux, but much of the information should be 
valid for other Linux variants as well.

/Ole

On 2/17/20 1:55 PM, navin srivastava wrote:
> Hi ole,
> 
> Thanks Ole.
> After setting the Enforce it worked.
> I am new to slurm to thanks for helping me.
> 
> 
> Regards
> Navin
> 
> 
> On Mon, Feb 17, 2020 at 5:36 PM Ole Holm Nielsen 
> <Ole.H.Nielsen at fysik.dtu.dk <mailto:Ole.H.Nielsen at fysik.dtu.dk>> wrote:
> 
>     Hi Navin,
> 
>     I wonder if you have configured the Slurm database and the slurmdbd
>     daemon?  I think the limit enforcement requires the use of the database.
> 
>     What is the output of:
> 
>     $ scontrol show config | grep AccountingStorageEnforce
> 
>     See also https://slurm.schedmd.com/accounting.html#limit-enforcement
> 
>     Limit Enforcement
> 
>     Various limits and limit enforcement are described in the Resource Limits
>     web page.
> 
>     To enable any limit enforcement you must at least have
>     AccountingStorageEnforce=limits in your slurm.conf, otherwise, even if
>     you
>     have limits set, they will not be enforced. Other options for
>     AccountingStorageEnforce and the explanation for each are found on the
>     Resource Limits document.
> 
>     /Ole
> 
>     On 2/17/20 12:20 PM, navin srivastava wrote:
>      > Hi ole,
>      >
>      > i am submitting 100 of jobs are i see all jobs starting at the same
>     time
>      > and all job is going into the run state.
>      > if Maxjobs limit is set it should allow only 3 jobs at any point of
>     time.
>      >
>      > Regards
>      > Navin.
>      >
>      >
>      >
>      >
>      > On Mon, Feb 17, 2020 at 4:48 PM Ole Holm Nielsen
>      > <Ole.H.Nielsen at fysik.dtu.dk <mailto:Ole.H.Nielsen at fysik.dtu.dk>
>     <mailto:Ole.H.Nielsen at fysik.dtu.dk
>     <mailto:Ole.H.Nielsen at fysik.dtu.dk>>> wrote:
>      >
>      >     Hi Navin,
>      >
>      >     Why do you think the limit is not working?  The MaxJobs limits
>     the number
>      >     of running jobs to 3, but you can still submit as many jobs as
>     you like!
>      >
>      >     See "man sacctmgr" for definitions of the limits MaxJobs as well as
>      >     MaxSubmitJobs.
>      >
>      >     /Ole
>      >
>      >     On 2/17/20 12:04 PM, navin srivastava wrote:
>      >      > Hi,
>      >      >
>      >      > Thanks for your script.
>      >      > with this i am able to show the limit what i set. but this
>     limt is
>      >      > not working.
>      >      >
>      >      > MaxJobs =        3, current value = 0
>      >      >
>      >      > Regards
>      >      > Navin.
>      >      >
>      >      > On Mon, Feb 17, 2020 at 4:13 PM Ole Holm Nielsen
>      >      > <Ole.H.Nielsen at fysik.dtu.dk
>     <mailto:Ole.H.Nielsen at fysik.dtu.dk> <mailto:Ole.H.Nielsen at fysik.dtu.dk
>     <mailto:Ole.H.Nielsen at fysik.dtu.dk>>
>      >     <mailto:Ole.H.Nielsen at fysik.dtu.dk
>     <mailto:Ole.H.Nielsen at fysik.dtu.dk>
>      >     <mailto:Ole.H.Nielsen at fysik.dtu.dk
>     <mailto:Ole.H.Nielsen at fysik.dtu.dk>>>> wrote:
>      >      >
>      >      >     On 2/17/20 11:16 AM, navin srivastava wrote:
>      >      >      > i have an issue with the slurm job limit. i applied
>     the Maxjobs
>      >      >     limit on
>      >      >      > user using
>      >      >      >
>      >      >      >   sacctmgr modify user navin1 set maxjobs=3
>      >      >      >
>      >      >      > but still i see this is not getting applied. i am
>     still bale
>      >     to submit
>      >      >      > more jobs.
>      >      >      > Slurm version is 17.11.x
>      >      >      >
>      >      >      > Let me know what setting is required to implement this.
>      >      >
>      >      >     The tool "showuserlimits" tells you all user limits in
>     the Slurm
>      >      >     database.
>      >      >        You can download it from
>      >      >
>      >
>     https://github.com/OleHolmNielsen/Slurm_tools/tree/master/showuserlimits
>      >      >     and give it a try:
>      >      >
>      >      >     $ showuserlimits -u navin1
>      >
> 
>