[GE users] Job share

Roger Herikstad roger.herikstad at gmail.com
Wed Nov 5 02:21:54 GMT 2008


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Hi Chris,
 Thanks alot! This is what I've been looking for. I was reading some
of the documentation for some of the more advanced scheduling
policies, but I was really just looking for simple fair sharing among
users.

~ Roger

On Tue, Nov 4, 2008 at 7:31 PM, Chris Dagdigian <dag at sonsorol.org> wrote:
>
> Hi Roger,
>
> By default there is no resource allocation policy enabled. The behavior you
> will get with a default out-of-the-box install is referred to as FIFO or
> "First In, First Out" -- the jobs are dispatched essentially in the order in
> which they were submitted - exactly the behavior you are seeing now.
>
> The SGE docs at http://wikis.sun.com can help you get a policy in place that
> does what you want for resource allocation. There are some gurus on this
> list who are particularly good at translating exotic allocation needs into
> actual SGE configurations.
>
> If you are looking for a simple "all users treated equally" behavior (what I
> usually recommend for new users until they get an idea of how they want to
> tune things for their specific workflows) then I'd recommend setting up a
> functional policy that does "fairshare by user". The setup is trivial and is
> documented here:
>
> Video screencast: http://www.screencast.com/t/Qb6tBziDcTU
> Article:
> http://gridengine.info/2006/01/17/easy-setup-of-equal-user-fairshare-policy
>
> -Chris
>
>
>
> On Nov 4, 2008, at 3:17 AM, Roger Herikstad wrote:
>
>> Hi,
>> I was wondering what the default behaviour of SGE is in terms of job
>> sharing between users. We have a number of users submitting jobs to
>> our cluster and what we are seeing is that if one user submits a bunch
>> of jobs, no other jobs from other users get scheduled before the first
>> user's jobs have all finished. With no other scheduling implemented,
>> how does SGE decide which jobs get scheduled? Thanks!
>>
>> ~ Roger
>
>
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