Hi, Am 28.05.2007 um 18:43 schrieb Juan Camilo Hernandez:
Hi list we are starting a project about an assembly of a Beowilf cluster between several research groups at the University where I am studying, We have had some prblems, but mainly for the quantity of money that every group have to contribute for administrative and manteniance cost. The idea that we have is that every gruop contribute with a quantity of money depending of their use of the flops in the cluster, someting as "computacion bajo demanda" I would like to ask you: Do you think is this one, the best option to mesure the cluster user use to be able to proced to charge to every user? Could you let me knoe which software can I use to be able to carry on this kinf of control? Do you have any suggest or recommendation?
do you intend to use a queuingsystem for batch operation, e.g. SUN GridEngine? http://gridengine.sunsource.net/
This way you could balance on the one hand the amount of computing time each group/user will get at a certain point of time in the cluster, and OTOH also get some accouting data - either by the granted nodes/slots in walltime or the real consumed CPU time by user/ group/project. The latter is useful, in case you oversubscribe the nodes, as some parallel programs are not doing parallel work all the time, and this way the idling time on such nodes can still be used for some kind of "serial background job".
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