Hi On 09/01/2016 10:16, Christof Koehler wrote:
> Now, the point we are not sure about is what happens if a user allocates > 10 out of 40 and sets "--exclusive" (if possible). Is the usage of that > user (job) actually computed with 40 CPUs as most people would expect ? > As described before other systems appear to bill only 10 while 40 are in > fact used up. >> Also, have you found this page? http://slurm.schedmd.com/mc_support.html > That is certainly a very useful resource explaining the different > concepts and how they relate to the terminology used by slurm. However, > skimming through it there does not appear to be a direct connection to > out usage computation question. You might want to (re)read 1. http://slurm.schedmd.com/cons_res.html 2. http://slurm.schedmd.com/cons_res_share.html [1] right at the beginning explains the default behaviour (exclusive mode) [2] should explain best that OverSubscribe (fka. Shared) is depended on the "Selection Setting". If you skim the column "Resulting Behavior" you should know really fast what you aim for. We share nodes between jobs of different users (but: all one trusted group, my colleagues -- really easy case) without any conflict and neither use OverSubscribe nor cgroups (but cgroups is a ticket). Regards, Benjamin -- FSU Jena | JULIELab.de/Staff/Benjamin+Redling.html vox: +49 3641 9 44323 | fax: +49 3641 9 44321
