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

Bill Wichser bill at Princeton.EDU
Thu Jun 11 19:36:21 MDT 2009


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?

Thanks,
Bill


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