[Mauiusers] fairshare - a better way to calculate percentages?

Bas van der Vlies basv at sara.nl
Mon Jun 15 23:28:03 MDT 2009


On Jun 12, 2009, at 3:36 AM, Bill Wichser wrote:

> One issue which comes up often here is that fairshare isn't quite as
> fair as we'd like.
>
> Take a cluster of 10 nodes.  The fairshare allocation, by default,  
> for a
> user is 10 (FSTARGET=10).  Say a user allocates 1 node and all other
> nodes are free.  In essence this user gets "charged" for 100%  
> instead of
> just 10% for the time no one else is running.
>
> Is there any way to more fairly calculate this time and resource  
> usage?
>
I knew there is a patch for it, see:
  * http://www.mail-archive.com/mauiusers@supercluster.org/msg00321.html


Just a question to the cluster resources people is this the right  
approach and if yes will the patch be applied if it is a config option?



> Thanks,
> Bill
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> mauiusers mailing list
> mauiusers at supercluster.org
> http://www.supercluster.org/mailman/listinfo/mauiusers

--
Bas van der Vlies
basv at sara.nl





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