[GE users] Memory allocation

Wheeler, Dr M.D. mdw10 at leicester.ac.uk
Mon Mar 7 10:43:14 GMT 2005

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Dear SGE users,

I have a small cluster consisting of 4 dual cpu nodes (3 x 64-bit + 1 x 32-bit).

The output of qhost is as follows:

global               -              -     -        -        -        -        -
32-bit-compute-0-0   glinux         2  0.00     2.4G   112.4M     1.9G    36.0K
compute-0-0          lx24-amd64     2  1.21     5.7G   346.0M   996.2M    12.5M
compute-0-1          lx24-amd64     2  1.17     5.7G   540.4M   996.2M     7.3M
compute-0-2          lx24-amd64     2  1.16     5.7G   498.8M   996.2M      0.0

I wish to submit a 2CPU job to ONE of the lx24-amd64 nodes with a request of 5G of memory, however, if I try and do this I get the following message

Jobs cannot run because resources requested are not available for parallel job

if I try and reduce the memory request to 2G it will run ok, or if it gets submitted over multiple nodes it also runs ok (but slower).  There is no memory limit on the queue, does anyone have any ideas???


Dr. Martyn D. Wheeler
Department of Chemistry
University of Leicester
University Road
Leicester, LE1 7RH, UK.
Tel (office): +44 (0)116 252 3985
Tel (lab):    +44 (0)116 252 2115
Fax:          +44 (0)116 252 3789
Email:        martyn.wheeler at le.ac.uk

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