[Mauiusers] fairshare in maui

Arnau Bria arnaubria at pic.es
Wed Jul 28 07:52:50 MDT 2010


On Thu, 22 Jul 2010 17:11:06 +0200
Arnau Bria wrote:

Hi again,

sorry for resending the mail, but I'm really niterested in this issue
and, after a week looking for more info on this (saw some examples from
other admins) the thing is not clear to me...

anyone could give his impresions?

TIA,
Arnau

> On Tue, Jul 20, 2010 at 01:55:36PM +0200, Jan Svec wrote:  
> > Hi,
> > 
> > I have moved from PBSPro to Torque/Maui and now I am a bit confused
> > with fairshare configuration. In PBSPro, fairshare entities (users,
> > groups, queues) were organized in tree structure. It means that I
> > could do something like this - 50% of resources is dedicated to
> > people from experiment A, 50% is dedcated to people from experiment
> > B. Experiment A is divided to subgroups AA, BB, CC. AA can use 10%
> > of A, BB can use 30% of A and CC can use 60% of A. Of course if
> > somebody is not using resources, they are available to other groups.
> > Is there some way, how to achieve this in maui?  
> 
> You will want to look at Accounts (parameter is ACCOUNTCFG) in Maui.
> It allows you to group groups and users into projects.  You can then
> set fairshare targets based on Account, group and user.  

> Could you please give a link on this? some examples? I found that but
> for moab only... and "my" manual only describes param syntax.
> 
> 
> I've been thinking on this and in our conf, and maybe experts could
> clarify if we have right conf or not. (Mainly, diff between grouping
> by QOS or ACCOUNT).
> 
> We have a similar scenario, but we don't use ACCOUNTCFG. We
> directly group experiments under QOS (QDEF=experimetA or B) and assign
> FS to them. Isn't it correct?
> 
> so, if I understood correctly OP, his conf will look like:
> 
> FSGROUPWEIGHT           10
> FSQOSWEIGHT             100
> 
> GROUPCFGG[groupAA] FSTARGET=10 QDEF=experimentA
> GROUPCFGG[groupBB] FSTARGET=30 QDEF=experimentA
> GROUPCFGG[groupCC] FSTARGET=60 QDEF=experimentA
> 
> 
> GROUPCFGG[groupDD] FSTARGET=10 QDEF=experimentB
> GROUPCFGG[groupEE] FSTARGET=30 QDEF=experimentB
> GROUPCFGG[groupFF] FSTARGET=60 QDEF=experimentB
> 
> QOSCFG[experimentA] FSTARGET=50
> QOSCFG[experimentB] FSTARGET=50
> 
> 
> [...]
> 
> is this conf corretyly? isn't it givinf shares as OP desires?
> anyone could correct me?
> 
> > HTH,
> > 
> > Gabe
> Cheers,
> Arnau


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