[torqueusers] spreading load over nodes

[Christopher Samuel]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 13/09/12 08:57, Rob Holmes wrote:

> Hi all,

Hi Rob,

> We have a small cluster (running torque & pbs_sched) that is only 
> occasionally fully utilized.  Most of the time there are not enough
> jobs to fill all the nodes.
> 
> When a job is submitted it always goes to the first available node
> in the node list, resulting in ?node01? getting significantly more
> work than ?node14?.  I?m keen to spread the workload more evenly
> across each node.  Is there a way to get torque to pick a free node
> at random, rather than the first free node on the list?

I'd suggest looking at using Maui instead of pbs_sched. The one you're
using is a pretty simple one that (as you've seen) tends to just deal
with the nodes in order.  Maui is much more flexible.

The downside is that Maui is much more flexible.. :-)

Good luck!
Chris
- -- 
 Christopher Samuel        Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
 http://www.vlsci.org.au/      http://twitter.com/vlsci

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://www.enigmail.net/

iEUEARECAAYFAlBqhWAACgkQO2KABBYQAh8YkQCY8GpkjVkN/lMY3NdoTa8uHSGj
UgCfZD84E63T5nrRfuHd5Y8BemrfhJo=
=fzpy
-----END PGP SIGNATURE-----