[slurm-users] scontrol show assoc_mgr showing more resources in use than squeue
Renfro, Michael
Renfro at tntech.edu
Fri May 8 16:46:30 UTC 2020
Working on something like that now. From an SQL export, I see 16 jobs from my user that have a state of 7. Both states 3 and 7 show up as COMPLETED in sacct, and may also have some duplicate job entries found via sacct --duplicates.
> On May 8, 2020, at 11:34 AM, Ole Holm Nielsen <Ole.H.Nielsen at fysik.dtu.dk> wrote:
>
> Hi Michael,
>
> You can inquire the database for a job summary of a particular user and
> time period using the slurmacct command:
> https://github.com/OleHolmNielsen/Slurm_tools/tree/master/slurmacct
>
> You can also call "sacct --user=USER" directly like in slurmacct:
>
> # Request job data
> export
> FORMAT="JobID,User${ulen},Group${glen},Partition,AllocNodes,AllocCPUS,Submit,Eligible,Start,End,CPUTimeRAW,State"
> # Request job states: Cancelled, Completed, Failed, Timeout, Preempted
> export STATE="ca,cd,f,to,pr"
> # Get Slurm individual job accounting records using the "sacct" command
> sacct $partitionselect -n -X -a -S $start_time -E $end_time -o $FORMAT
> -s $STATE
>
> There are numerous output fields which you can inquire, see "sacct -e".
>
> /Ole
>
>
>> On 08-05-2020 16:54, Renfro, Michael wrote:
>> Slurm 19.05.3 (packaged by Bright). For the three running jobs, the
>> total GrpTRESRunMins requested is 564480 CPU-minutes as shown by
>> 'showjob', and their remaining usage that the limit would check against
>> is less than that.
>>
>> My download of your scripts dated to August 21, 2019, and I've just now
>> done a clone of your repository to see if there were any differences.
>> None that I see -- 'showuserlimits -u USER -A ACCOUNT -s cpu' returns
>> "Limit = 1440000, current value = 1399895".
>>
>> So I assume there's something lingering in the database from some jobs
>> that already completed, but still get counted against the user's current
>> requests.
>>
>> ------------------------------------------------------------------------
>> *From:* Ole Holm Nielsen <Ole.H.Nielsen at fysik.dtu.dk>
>> *Sent:* Friday, May 8, 2020 9:27 AM
>> *To:* slurm-users at lists.schedmd.com <slurm-users at lists.schedmd.com>
>> *Cc:* Renfro, Michael <Renfro at tntech.edu>
>> *Subject:* Re: [slurm-users] scontrol show assoc_mgr showing more
>> resources in use than squeue
>> Hi Michael,
>>
>> Yes, my Slurm tools use and trust the output of Slurm commands such as
>> sacct, and any discrepancy would have to come from the Slurm database.
>> Which version of Slurm are you running on the database server and the
>> node where you run sacct?
>>
>> Did you add up the GrpTRESRunMins values of all the user's running jobs?
>> They had better add up to current value = 1402415. The "showjob"
>> command prints #CPUs and time limit in minutes, so you need to multiply
>> these numbers together. Example:
>>
>> This job requests 160 CPUs and has a time limit of 2-00:00:00
>> (days-hh:mm:ss) = 2880 min.
>>
>> Did you download the latest versions of my Slurm tools from Github? I
>> make improvements of them from time to time.
>>
>> /Ole
>>
>>
>>> On 08-05-2020 16:12, Renfro, Michael wrote:
>>> Thanks, Ole. Your showuserlimits script is actually where I got started
>>> today, and where I found the sacct command I sent earlier.
>>>
>>> Your script gives the same output for that user: the only line that's
>>> not a "Limit = None" is for the user's GrpTRESRunMins value, which is
>>> at "Limit = 1440000, current value = 1402415".
>>>
>>> The limit value is correct, but the current value is not (due to the
>>> incorrect sacct output).
>>>
>>> I've also gone through sacctmgr show runaway to clean up any runaway
>>> jobs. I had lots, but they were all from a different user, and had no
>>> effect on this particular user's values.
>>>
>>> ------------------------------------------------------------------------
>>> *From:* slurm-users <slurm-users-bounces at lists.schedmd.com> on behalf of
>>> Ole Holm Nielsen <Ole.H.Nielsen at fysik.dtu.dk>
>>> *Sent:* Friday, May 8, 2020 8:54 AM
>>> *To:* slurm-users at lists.schedmd.com <slurm-users at lists.schedmd.com>
>>> *Subject:* Re: [slurm-users] scontrol show assoc_mgr showing more
>>> resources in use than squeue
>>>
>>> Hi Michael,
>>>
>>> Maybe you will find a couple of my Slurm tools useful for displaying
>>> data from the Slurm database in a more user-friendly format:
>>>
>>> showjob: Show status of Slurm job(s). Both queue information and
>>> accounting information is printed.
>>>
>>> showuserlimits: Print Slurm resource user limits and usage
>>>
>>> The user's limits are printed in detail by showuserlimits.
>>>
>>> These tools are available from https://github.com/OleHolmNielsen/Slurm_tools
>>>
>>> /Ole
>>>
>>> On 08-05-2020 15:34, Renfro, Michael wrote:
>>>> Hey, folks. I've had a 1000 CPU-day (1440000 CPU-minutes) GrpTRESMins
>>>> limit applied to each user for years. It generally works as intended,
>>>> but I have one user I've noticed whose usage is highly inflated from
>>>> reality, causing the GrpTRESMins limit to be enforced much earlier than
>>>> necessary:
>>>>
>>>> squeue output, showing roughly 340 CPU-days in running jobs, and all
>>>> other jobs blocked:
>>>>
>>>> # squeue -u USER
>>>> JOBID PARTI NAME USER ST TIME CPUS NODES
>>>> NODELIST(REASON) PRIORITY TRES_P START_TIME TIME_LEFT
>>>> 747436 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 10-00:00:00
>>>> 747437 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 4-04:00:00
>>>> 747438 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 10-00:00:00
>>>> 747439 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 4-04:00:00
>>>> 747440 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 10-00:00:00
>>>> 747441 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 4-14:00:00
>>>> 747442 batch job USER PD 0:00 28 1
>>>> (AssocGrpCPURunM 4784 N/A N/A 10-00:00:00
>>>> 747446 batch job USER PD 0:00 14 1
>>>> (AssocGrpCPURunM 4778 N/A N/A 4-00:00:00
>>>> 747447 batch job USER PD 0:00 14 1
>>>> (AssocGrpCPURunM 4778 N/A N/A 4-00:00:00
>>>> 747448 batch job USER PD 0:00 14 1
>>>> (AssocGrpCPURunM 4778 N/A N/A 4-00:00:00
>>>> 747445 batch job USER R 8:39:17 14 1 node002
>>>> 4778 N/A 2020-05-07T23:02:19 3-15:20:43
>>>> 747444 batch job USER R 16:03:13 14 1 node003
>>>> 4515 N/A 2020-05-07T15:38:23 3-07:56:47
>>>> 747435 batch job USER R 1-10:07:42 28 1 node005
>>>> 3784 N/A 2020-05-06T21:33:54 8-13:52:18
>>>>
>>>> scontrol output, showing roughly 980 CPU-days in use on the second line,
>>>> and thus blocking additional jobs:
>>>>
>>>> # scontrol -o show assoc_mgr users=USER account=ACCOUNT flags=assoc
>>>> ClusterName=its Account=ACCOUNT UserName= Partition= Priority=0 ID=21
>>>> SharesRaw/Norm/Level/Factor=1/0.03/35/0.00
>>>> UsageRaw/Norm/Efctv=2733615872.34/0.39/0.71 ParentAccount=PARENT(9)
>>>> Lft=1197 DefAssoc=No GrpJobs=N(4) GrpJobsAccrue=N(10)
>>>> GrpSubmitJobs=N(14) GrpWall=N(616142.94)
>>>> GrpTRES=cpu=N(84),mem=N(168000),energy=N(0),node=N(40),billing=N(420),fs/disk=N(0),vmem=N(0),pages=N(0),gres/gpu=N(0)
>>>> GrpTRESMins=cpu=N(9239391),mem=N(18478778157),energy=N(0),node=N(616142),billing=N(45546470),fs/disk=N(0),vmem=N(0),pages=N(0),gres/gpu=N(0)
>>>> GrpTRESRunMins=cpu=N(1890060),mem=N(3780121866),energy=N(0),node=N(113778),billing=N(9450304),fs/disk=N(0),vmem=N(0),pages=N(0),gres/gpu=N(0)
>>>> MaxJobs= MaxJobsAccrue= MaxSubmitJobs= MaxWallPJ= MaxTRESPJ= MaxTRESPN=
>>>> MaxTRESMinsPJ= MinPrioThresh=
>>>> ClusterName=its Account=ACCOUNT UserName=USER(UID) Partition= Priority=0
>>>> ID=56 SharesRaw/Norm/Level/Factor=1/0.08/13/0.00
>>>> UsageRaw/Norm/Efctv=994969457.37/0.14/0.36 ParentAccount= Lft=1218
>>>> DefAssoc=Yes GrpJobs=N(3) GrpJobsAccrue=N(10) GrpSubmitJobs=N(13)
>>>> GrpWall=N(227625.69)
>>>> GrpTRES=cpu=N(56),mem=N(112000),energy=N(0),node=N(35),billing=N(280),fs/disk=N(0),vmem=N(0),pages=N(0),gres/gpu=8(0)
>>>> GrpTRESMins=cpu=N(3346095),mem=N(6692190572),energy=N(0),node=N(227625),billing=N(16580497),fs/disk=N(0),vmem=N(0),pages=N(0),gres/gpu=N(0)
>>>> GrpTRESRunMins=cpu=1440000(1407455),mem=N(2814910466),energy=N(0),node=N(88171),billing=N(7037276),fs/disk=N(0),vmem=N(0),pages=N(0),gres/gpu=N(0)
>>>> MaxJobs= MaxJobsAccrue= MaxSubmitJobs= MaxWallPJ= MaxTRESPJ= MaxTRESPN=
>>>> MaxTRESMinsPJ= MinPrioThresh=
>>>>
>>>> Where can I investigate to find the cause of this difference? Thanks.
>
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