[slurm-users] MinJobAge

[Paul Edmon]

The documentation indicates that's what should happen with MinJobAge:

*MinJobAge*
    The minimum age of a completed job before its record is purged from
    Slurm's active database. Set the values of *MaxJobCount* and to
    ensure the slurmctld daemon does not exhaust its memory or other
    resources. The default value is 300 seconds. A value of zero
    prevents any job record purging. Jobs are not purged during a
    backfill cycle, so it can take longer than MinJobAge seconds to
    purge a job if using the backfill scheduling plugin. In order to
    eliminate some possible race conditions, the minimum non-zero value
    for *MinJobAge* recommended is 2. 

 From my experience this does work.  We've been running with 
MinJobAge=600 for years with out any problems to my knowledge

-Paul Edmon-

On 7/6/2021 8:59 AM, Emre Brookes wrote:
>>
>>       Brian Andrus
>>
>> Nov 23, 2020, 1:55:54 PM
>> to slurm... at lists.schedmd.com
>> All,
>>
>> I always thought that MinJobAge affected how long a job will show up
>> when doing 'squeue'
>>
>> That does not seem to be the case for me.
>>
>> I have MinJobAge=900, but if I do 'squeue --me' as soon as I finish an
>> interactive job, there is nothing in the queue.
>>
>> I swear I used to see jobs in a completed state for a period of time,
>> but they are not showing up at all on our cluster.
>>
>>
>> How does one have jobs show up that are completed?
> I'm using slurm 20.02.7 & have the same issue (except I am running 
> batch jobs).
> Does MinJobAge work to keep completed jobs around for the specified 
> duration in squeue output?
>
> Thanks,
> Emre
>
>
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