have you looked at setting fairshare targets for each group for this queue? --Joe
________________________________ From: [email protected] on behalf of Steve Young Sent: Thu 4/22/2010 3:49 PM To: [email protected] Subject: [Mauiusers] adjust priorities based on group usage Hi, I'm trying to devise a solution with maui 3.3 in order to support a requirement to balance out resources by groups over a class (queue). We have a few different queue's bound to certain sets of resources. Our newest cluster (288 cores) is shared between 4 different groups. I'm trying to figure out how to have priority figured out so that this new cluster would give a higher priority to the groups that are using it the least. So for example, two groups are using the cluster... each group should be allowed to utilize 50% of the resources of this queue. As soon, as a third or fourth group starts using the resources they would end up being highest priority until the percentages balanced out to 33% or 25% (3 or 4 groups). My first thought is to try something like UPROCWEIGHT and set it to a negative number (-1) so that a person's priority should go down if they are using lots of processors already. However, this would seem to be a user based approach and wouldn't help in keeping the balance between groups. Perhaps, if there were a GPROCWEIGHT that would be what I am looking for. Also, as I mentioned before we have one central queue system with many queue's of different resources. In the previous paragraph I explained how we want to balance one of the clusters (queue) between 4 groups. However, I don't want to come up with this scenario and have it apply to the whole grid. There are other queue's (clusters) that belong to only one group so I would only want that group to be able to utilize all of those resources without having it effect the balancing of the queue with the shared resources (of 4 groups). At any rate I hope I make some sense here ;-)... I'm looking for any suggestions on how I can accomplish something like this or how other places have implemented this. Thanks in advance for any advise! -Steve _______________________________________________ mauiusers mailing list [email protected] http://www.supercluster.org/mailman/listinfo/mauiusers
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