On Mon, 22 Mar 2004, Karl Forner wrote:
> I deal with a lots of fast mpi jobs (sometimes just a few seconds) from
> many differents users.
Are these short MPI jobs much faster than short non-parallel jobs ?
> These jobs are can be very fast so that it is no-sense starting a new
> lam session at each time (on my cluster a lamboot usually takes around 5
> seconds).
> Moreover I do not want to create as many accounts as I have different
> users, so I only use one lam-session.
And how do you protect users' data from one another ?
If you have small jobs, it usually makes sense to boot LAM only once
per user and leave the daemons running until that user finishes all
jobs.
--
Bogdan Costescu
IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: Bogdan.Costescu_at_[hidden]
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