On 07/22/2013 10:43 AM, Boris Pavlovic wrote: > Russell, > > To get information about "all" compute nodes we should wait one periodic > task (60 seconds by default). > So starting will take a while. > > But I don't think that this is a big problem: > 1) if we are already able to wait each time for heavy and long (> few > seconds) db querie > 2) if we have more then one scheduler, we are always able to turn and > change one by one. > (I don't think that having for 5 minutes old and new schedulers will > break anything). > > Also as a first step that could be done to speed up scheduler: > We could just remove db.compute_node_get_all() and send RPC calls > directly to schedulers. > I think that patch-set that change this thing will be pretty small > (~100-150 lines of code) and doesn't requirers big changes in current > scheduler implementation.
In any case, I think it's too late in the Havana cycle to be introducing a new effort like this. It will have to wait for Icehouse. We should plan to have a design summit session on it, as well. -- Russell Bryant _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev