Messages in this thread | | | Date | Wed, 5 May 2004 15:48:38 -0300 | From | Marcelo Tosatti <> | Subject | Re: [ckrm-tech] Re: [RFC] Revised CKRM release |
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On Tue, May 04, 2004 at 08:18:26PM -0400, Shailabh Nagar wrote:
> >It sounds to me the classification engine can be moved to userspace? > > > >Such "classification" sounds a better suited to be done there. > > I suppose it could. However, one of our design objectives was to > support multi-threaded server apps where each thread (task) changes > its class fairly rapidly (say every time it starts doing work on > behalf of a more/less important transaction). Doing a transition to > userspace and back may be too costly for such a scenario.
But who sets the priority of the tasks is userspace anyway, isnt? AFAICS its userspace who knows which transaction is more/less important.
> There might also be some concerns with keeping the reclassify > operation atomic wrt deletion of the target class...but we haven't > thought this through for userspace classification.
How often is a reclassify operation done?
> >Note: I haven't read the code yet. > > > > Why just read when you can test as well :-) We just released a testing > tarball at http://ckrm.sf.net.. any inputs, bugs will be most welcome ! > > Looking forward to more inputs,
Yeah, I'm just nitpicking from the outside and haven't contributed to anything, so...
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