[slurm-users] Fair share per partition

[Paul Edmon]

So the way we handle it is that we give a blanket fairshare to everyone 
but then dial in our TRES charge back on a per partition basis based on 
hardware.  Our fairshare doc has a fuller explanation:

https://docs.rc.fas.harvard.edu/kb/fairshare/

-Paul Edmon-

On 9/17/2020 9:30 AM, Mark Dixon wrote:
> Hi all,
>
> Clusters sometimes have a couple of different types of hardware, e.g. 
> lots of standard plus small amounts of highmem - with a partition per 
> type.
>
> Sometimes one partition, e.g. "standard", is much busier than e.g. 
> "highmem".
>
> In a fair share set up with multiple accounts and multiple users per 
> account, a single user making heavy use of an otherwise idle partition 
> can negatively effect their account's priority on the busy partition.
>
> So having fair share per partition can be useful.
>
> I imagine I can handle this by, for each group of users I'd normally 
> create a single account for, creating a duplicate "highmem" account. I 
> could then use a job_submit script to change the job's account to its 
> buddy "highmem" account when it sees jobs submitted to the himem 
> partition.
>
> But this is a bit of a faff for reporting and managing users, 
> particularly as I've not figured out how to define a group of users in 
> one place (say, a unix group) that I can then use multiple times.
>
> Is there a better way, please?
>
> Thanks,
>
> Mark