Re: [Condor-users] restricting no of jobs per user at site using Condor-G

["Dr Ian C. Smith" <i.c.smith@xxxxxxxxxxxxxxx>]

--On 31 January 2006 09:57 -0600 Jaime Frey <jfrey@xxxxxxxxxxx> wrote:

> On Jan 27, 2006, at 10:03 AM, Dr Ian C. Smith wrote:
>
> > I'm in the process of setting up a campus mini-
> > grid using Condor-G which is going very smoothly
> > so far. I've hit a snag in that one of the clusters
> > in the grid will only run a maximum of three
> > jobs per user concurrently. At present users'
> > jobs can go to this cluster if there are sufficient
> > free nodes but will wait on the queue
> > there when there may be spare resources elsewhere
> > later on. ( Globus is set up so that users get mapped
> > to their own account on the cluster not a generic "grid" one ).
> >
> > So what I need is someway of expressing this via
> > a ClassAd or similar. As far as I can see
> > from the docs Condor-G can be used to restrict the
> > *total* number of grid jobs going to a site but
> > there's no simple way of doing this on a *per-user*
> > basis. Or is there ?
>
> It sounds like you're using match-making. In that case, you want to
> prevent matches from being made with that site when the user has 3
> jobs there. I would recommend having the resource advertise how many
> jobs from each user are currently submitted there and use that in the
> jobs' requirements expression.

I'll give it a go but I was hoping for a more elegant way of doing this.

regards,

-ian.

> +--------------------------------+-----------------------------------+
> |           Jaime Frey           | I used to be a heavy gambler.     |
> |       jfrey@xxxxxxxxxxx        | But now I just make mental bets.  |
> | http://www.cs.wisc.edu/~jfrey/ | That's how I lost my mind.        |
> +--------------------------------+-----------------------------------+
>
>
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