Re: [slurm-users] Advice on setting a partition QOS

2019-09-25 Thread Juergen Salk
* David Baker [190925 15:58]: > Thank you for your reply. So, in respond to your suggestion I > submitted a batch of jobs each asking for 2 cpus. Again I was able > to get 32 jobs running at once. Dear David, this was just meant as a test in order to support the assumption that you do not hit

Re: [slurm-users] Advice on setting a partition QOS

2019-09-25 Thread David Baker
Dear Jurgen, Thank you for your reply. So, in respond to your suggestion I submitted a batch of jobs each asking for 2 cpus. Again I was able to get 32 jobs running at once. I presume this is a weird interaction with the normal QOS. In that respect would it be best to redefine the normal OQS si

Re: [slurm-users] Advice on setting a partition QOS

2019-09-25 Thread Juergen Salk
Dear David, as it seems, Slurm counts allocated nodes on a per job basis, i.e. every individual one-core jobs counts as an additional node even if they all run on one and the same node. Can you allocate 64 CPUs at the same time when requesting 2 CPUs per job? We've also had this (somewhat stra

[slurm-users] Advice on setting a partition QOS

2019-09-25 Thread David Baker
Hello, I have defined a partition and corresponding QOS in Slurm. This is the serial queue to which we route jobs that require up to (and including) 20 cpus. The nodes controlled by serial are shared. I've set the QOS like so.. [djb1@cyan53 slurm]$ sacctmgr show qos serial format=name,maxtrespe