[GE users] dedicated master (admin/submit) host

Bill Knebel billk at metrumrg.com
Wed Jan 18 14:36:30 GMT 2006

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I had a question that I am sure has been asked in some way.  We have a 
small cluster ( 7 nodes) that performs serial jobs only. The nodes are 
dual Xeon's. We limit the jobs so that only  one job runs per CPU 
becuase they are  primarily CPU bound/intensive. We will be adding an 
additional 8 nodes (dual Opterons).  On many occasions we have 500 - 
1000 jobs pending but at other times the cluster is empty. We run jobs 
on all nodes (all nodes are set up as execute nodes and one is both an 
exec host and a master (submit/admin) host) .  I was wondering at what 
point, if ever, it becomes necessary to dedicate one cpu or  one node (2 
cpu's) to the SGE admin/submit host functions and remove it as an 
execute host.  Can anybody shed some light on this given their 
experience or point me in the direction of some info?


Bill Knebel, PharmD, Ph.D.
Principal Scientist
Metrum Research Group
2 Tunxis Road
Suite 112
Tariffville, CT 06081
email: billk at metrumrg.com
tel: (860) 930-1370

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