[torqueusers] remaining memory on a node

Gabe Turner gabe at msi.umn.edu
Fri Aug 12 13:21:09 MDT 2011


On Fri, Aug 12, 2011 at 06:58:05PM +0000, Andrus, Brian Contractor wrote:
> Ok. That is what is odd to me.
> 
> Pbsnodes is telling me:
> status = rectime=1313175218,varattr=,jobs=141859.hamming2.local 141328.hamming2.local,state=free,netload=481480719018,gres=,loadave=0.01,ncpus=16,physmem=24676992kb,availmem=44749640kb,totmem=45159856kb,idletime=617965,nusers=0,nsessions=? 15201,sessions=? 15201,uname=Linux compute-8-33.local 2.6.18-194.17.1.el5 #1 SMP Wed Sep 29 12:50:31 EDT 2010 x86_64,opsys=linux
> 
> so 
> physmem=24676992kb
>  availmem=44749640kb
> 
> Wow... I have way more available than is physically in the system!???
> 
> >From the node itself:
> [bdandrus at compute-8-33 ~]$ cat /proc/meminfo |grep MemTotal
> MemTotal:     24676992 kB
> 

The only explainations I can think of are 1) that availmem is MemTotal +
SwapTotal, or 2) Something Really Weird Is Going On.

-- 
Gabe Turner                                             gabe at msi.umn.edu
HPC Systems Administrator,
University of Minnesota
Supercomputing Institute                          http://www.msi.umn.edu


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