[slurm-users] Re: Avoiding fragmentation

Hi Gerhard, Gerhard Strangar via slurm-users writes: > Hi, > > I'm trying to figure out how to deal with a mix of few- and many-cpu > jobs. By that I mean most jobs use 128 cpus, but sometimes there are > jobs with only 16. As soon as that job with only 16 is running, the > scheduler splits the

[slurm-users] Avoiding fragmentation

Hi, I'm trying to figure out how to deal with a mix of few- and many-cpu jobs. By that I mean most jobs use 128 cpus, but sometimes there are jobs with only 16. As soon as that job with only 16 is running, the scheduler splits the next 128 cpu jobs into 96+16 each, instead of assigning a full 128

[slurm-users] Re: Elastic Computing: Is it possible to incentivize grouping power_up calls?

Xaver, You may want to look at the ResumeRate option in slurm.conf: ResumeRate The rate at which nodes in power save mode are returned to normal operation by ResumeProgram. The value is a number of nodes per minute and it can be used to prevent power surges if a large number of no

[slurm-users] Slurm User Group 2024 Call for Papers

Slurm User Group (SLUG) 2024 is set for September 12-13 at the University of Oslo in Oslo, Norway. Registration information and a high-level schedule can be found here: https://slug24.splashthat.com/ We invite all interested attendees to submit a presentation abstract to be given at SLUG. Present

[slurm-users] Elastic Computing: Is it possible to incentivize grouping power_up calls?

Dear slurm user list, we make use of elastic cloud computing i.e. node instances are created on demand and are destroyed when they are not used for a certain amount of time. Created instances are set up via Ansible. If more than one instance is requested at the exact same time, Slurm will pass th

[slurm-users] Re: How to reinstall / reconfigure Slurm?

Follow up: I was able to fix my problem following advice in this post which said that the GPU GRES could be manually configured (no autodetect) by adding a line like this: 'NodeName=slu