Memory may be being used by jobs running, or tasks outside the control of Slurm running, or possibly NFS buffer cache or similar. You may need to start an ssh session on the node and look.
William On Mon, 16 Dec 2019 at 15:38, Mahmood Naderan <mahmood...@gmail.com> wrote: > Hi, > With the following output > > RealMemory=64259 AllocMem=1024 FreeMem=38620 Sockets=32 Boards=1 > RealMemory=120705 AllocMem=1024 FreeMem=309 Sockets=32 Boards=1 > RealMemory=64259 AllocMem=1024 FreeMem=59334 Sockets=32 Boards=1 > RealMemory=64259 AllocMem=1024 FreeMem=282 Sockets=10 Boards=1 > > I want to know what happened to the FreeMem? For example, on compute-0-1, > there are 120GB of memory and the allocated size is 1024M. Why FreeMem is > 309M? > > Any idea? > > Regards, > Mahmood > > >