[slurm-users] memory per node default

Diego Zuccato diego.zuccato at unibo.it
Fri Jan 21 09:05:05 UTC 2022

Il 21/01/2022 07:51, Ole Holm Nielsen ha scritto:

> There's a nice command to run on any given node which tells you slurmd's 
> view of the node:
> $ slurmd -C
> NodeName=i004 CPUs=16 Boards=1 SocketsPerBoard=2 CoresPerSocket=8 
> ThreadsPerCore=1 RealMemory=128691
> UpTime=36-17:32:44
> Here's an example that I use:
> NodeName=i[004-030] Sockets=2 CoresPerSocket=8 ThreadsPerCore=1 
> RealMemory=128000
@Hoot: note that the line in slurm.conf uses a lower value for 
RealMemory. This way you'll avoid having nodes going offline after an 
upgrade because the new kernel leaves a couple free MBs less than older 
one (been there, done that... :( ).

Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
Servizi Informatici
Alma Mater Studiorum - Università di Bologna
V.le Berti-Pichat 6/2 - 40127 Bologna - Italy
tel.: +39 051 20 95786

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