[Beowulf] Question about fair share

Paul Edmon pedmon at cfa.harvard.edu
Mon Jan 24 20:02:04 UTC 2022


Our half life is 30 days and we keep 6 months of data in our database.  
The maximum run time depends on partition.  We have about 100 of them.  
Some with unlimited.  Our main public partition has a maximum runtime of 
7 days.  See: 
https://docs.rc.fas.harvard.edu/kb/running-jobs/#Slurm_partitions

-Paul Edmon-

On 1/24/2022 2:59 PM, Tom Harvill via Beowulf wrote:
>
> Thank you Mr. Edmon,
>
> The link you provided is comprehensive and well-written. However, I 
> don't see the scheduler configured half-life time length.  Do you know 
> what it is?  And what is your clusters' maximum job runtime?
>
> On 1/24/22 1:47 PM, Paul Edmon via Beowulf wrote:
>> Here is our fairshare policy doc: 
>> https://docs.rc.fas.harvard.edu/kb/fairshare/  We use the classic 
>> fairshare here.
>>
>> -Paul Edmon-
>>
>> On 1/24/2022 2:17 PM, Tom Harvill wrote:
>>>
>>>
>>> Hello,
>>>
>>> We use a 'fair share' feature of our scheduler (SLURM) and have our 
>>> decay half-life (the time needed for priority penalty to halve) set 
>>> to 30 days.  Our maximum job runtime is 7 days. I'm wondering what 
>>> others use, please let me know if you can spare a minute.  Thank you!
>>>
>>> Tom
>>>
>>> Tom Harvill
>>>
>>> Holland Computing Center
>>>
>>> University of Nebraska
>>>
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