Hi, the problem of memory over-subscription is discusses in 'man slurm.conf'. Have a look at DefMemPerCPU, DefMemPerNode and the suggested configuration when using CR_CPU_Memory.
*/David* On Tue, Mar 12, 2013 at 3:15 PM, Joo-Kyung Kim <[email protected]> wrote: > Hi,**** > > ** ** > > I am using SLURM 2.4.0.**** > > ** ** > > When I run many memory intensive processes at the same time using a slurm > job, there are a lot of memory swappings by kswapd0.**** > > ** ** > > I changed SelectTypeParameters from CR_CPU to CR_CPU_MEMORY (SchedulerType > = sched/backfill and SelectType = select/cons_res aren’t changed), I am not > sure there would be some significant reduction of memory swapping.**** > > ** ** > > Would there be a good way to automatically reduce the high memory swapping? > **** > > ** ** > > ** ** > > Another question: It seems that it takes more than 15 seconds for > completing jobs to be completed jobs so that the next jobs can be runned on > a cluster with 8 nodes.**** > > ** ** > > I wonder it’s normal that the transition takes some time or would there be > any problem?**** > > ** ** > > Thank you.**** > > ** ** > > Joo-Kyung**** >
