I noticed that there is already a bp in oslo tracing what I want to do: https://blueprints.launchpad.net/oslo/+spec/oslo-scheduler
Thanks, Jay 2013/11/9 Jay Lau <jay.lau....@gmail.com> > Greetings, > > Now in oslo, we already put some scheduler filters/weights logic there and > cinder is using oslo scheduler filters/weights logic, seems we want both > nova&cinder use this logic in future. > > Found some problems as following: > 1) In cinder, some filters/weight logic reside in > cinder/openstack/common/scheduler and some filter/weight logic in > cinder/scheduler, this is not consistent and also will make some cinder > hackers confused: where shall I put the scheduler filter/weight. > 2) Nova is not using filter/weight from oslo and also not using entry > point to handle all filter/weight. > 3) There is not enough filters in oslo, we may need to add more there: > such as same host filter, different host filter, retry filter etc. > > So my proposal is as following: > 1) Add more filters to oslo, such as same host filter, different host > filter, retry filter etc. > 2) Move all filters/weight logic in cinder from cinder/scheduler to > cinder/openstack/common/scheduler > 3) Enable nova use filter/weight logic from oslo (Move all filter logic to > nova/openstack/common/scheduler) and also use entry point to handle all > filters/weight logic. > > Comments? > > Thanks, > > Jay >
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