Re: [Nelsonlab-analysis] [Nelsonlab-devel] Cluster Usage

[Jordan M. <jme...@uc...>]

Not sure SGE/Lustre are that complex. The closer thing will be once
Inifiniband is working, we will be able to request IB nodes which have a
much faster connection to Lustre.

Jordan

On Wed, Feb 10, 2010 at 4:02 PM, Nils Homer <nil...@uc...> wrote:

>
> What about reserving I/O?  If a job is rsyncing etc. we don’t want others
> to use bandwidth.
>
>
> Nils
>
> On 2/10/10 3:38 PM, "Jordan Mendler" <jme...@uc...> wrote:
>
> I have noticed that many people have been submitting jobs with -pe serial
> 8, when their job only uses one thread. Please only use -pe serial #, if
> your job is multi-threaded and using # threads.
>
> If you are simply trying to reserve memory, use -l vf=#G instead. Please
> note that this is on a per core basis, so -l vf=4G -pe serial 8 will request
> an 8-core machine with 32G of RAM. -l vf=4G -pe serial 2 will request 8G and
> 2 cpu's. -l vf=4G alone will request 4GB and 1 cpu.
>
> Thanks,
> Jordan
>
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