[slurm-users] Running Slurm on a single host?

TO_Webmaster lufthaken at gmail.com
Fri Apr 6 12:13:22 MDT 2018

It might be possible to restrict all these ssh users into a very
limited cgroup and use the rest of the host for slurm jobs.

2018-04-06 19:30 GMT+02:00 Alex Chekholko <alex at calicolabs.com>:
> The thing you are describing is possible in both theory and practice. Plenty
> of people use a scheduler on a single large host.  The challenge will be in
> enforcing user practices so they don't just run commands directly but
> through the scheduler.
> On Fri, Apr 6, 2018 at 10:00 AM, Patrick Goetz <pgoetz at math.utexas.edu>
> wrote:
>> I've been using Slurm on a traditional CPU compute cluster, but am now
>> looking at a somewhat different issue.  We recently purchased a single
>> machine with 10 high end graphics cards to be used for CUDA calculations and
>> which will shared among a couple of different user groups.
>> Does it make sense to use Slurm for scheduling in this case?  We'll want
>> to do things like limit the number of GPU's any one user can use and manage
>> resource contention the same way one would for a cluster. Potentially this
>> would mean running slurmctld and slurmd on the same host?
>> Bonus question: these research groups (they do roughly the same kind of
>> work) also have a pool of GPU workstations they're going to share.  It would
>> be super cool if we could somehow rope the workstations into the resource
>> pool in cases where no one is working at the console. Because some of this
>> stuff involves steps with interactive components, the understanding would be
>> that all resources go to a console user when there is a console user.

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