[slurm-users] FreeMem is not equal to (RealMem - AllocMem)

[Diego Zuccato]

Il 14/09/2021 06:52, Pavel Vashchenkov ha scritto:

> My question is: Why there is so few FreeMem (37 GB instead of expected 
> 100 GB (RealMem - AllocMem))?
> 
> PS On other nodes the situation is similar:
> RealMemory=257433 AllocMem=180224 FreeMem=7913
> 
> On free node (it is not allocated for computation right now):
> RealMemory=257433 AllocMem=0 FreeMem=159610

That's probably due to buffer/caches remaining allocated between jobs. 
They're handled by the SO and should be automatically freed when a 
program needs mem.

-- 
Diego Zuccato
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