[Mauiusers] node prioritization based on node features

Garrick Staples garrick at usc.edu
Thu Jan 28 15:35:23 MST 2010


On Thu, Jan 28, 2010 at 04:27:12PM -0600, Sabuj Pattanayek alleged:
> Hi,
> 
> I have some compute nodes that have 12GB of RAM, which will be
> referred to as STDMEM nodes (actually a torque nodes file feature
> string) and some compute nodes that have 48GB of RAM, which will be
> referred to as BIGMEM nodes (also a nodes file feature string). If I
> want to prioritize that users' jobs be run on STDMEM nodes before
> BIGMEM nodes (as long as they don't request >= mem=12000mb) should I
> just use the MINRESOURCE NODEALLOCATIONPOLICY or should I use PRIORITY
> NODEALLOCATIONPOLICY and set PRIORITY=200 in the NODECFG lines for the
> STDMEM nodes and PRIORITY=100 in the NODECFG lines for the BIGMEM

Easiest is to just order your nodes file with the stdmem nodes at the bottom of
the list. Maui allocates from the bottom up.

-- 
Garrick Staples, GNU/Linux HPCC SysAdmin
University of Southern California

Life is Good!
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