Re: [openstack-dev] design question : green thread model

2015-01-29 Thread Belmiro Moreira
Hi, nova-conductor starts multiple processes as well. Belmiro On Wednesday, January 28, 2015, Johannes Erdfelt wrote: > On Wed, Jan 28, 2015, murali reddy > > wrote: > > On hosts with multi-core processors, it does not seem optimal to run a > > single service instance with just green thread. I

Re: [openstack-dev] design question : green thread model

2015-01-28 Thread Kevin L. Mitchell
On Wed, 2015-01-28 at 22:48 +0530, murali reddy wrote: > On hosts with multi-core processors, it does not seem optimal to run a > single service instance with just green thread. I understand that on > controller node, we can run one or more nova services but still it > does not seem to utilize mult

Re: [openstack-dev] design question : green thread model

2015-01-28 Thread Johannes Erdfelt
On Wed, Jan 28, 2015, murali reddy wrote: > On hosts with multi-core processors, it does not seem optimal to run a > single service instance with just green thread. I understand that on > controller node, we can run one or more nova services but still it does not > seem to utilize multi-core proce

Re: [openstack-dev] design question : green thread model

2015-01-28 Thread murali reddy
Thanks JE. On hosts with multi-core processors, it does not seem optimal to run a single service instance with just green thread. I understand that on controller node, we can run one or more nova services but still it does not seem to utilize multi-core processors. Is it not a nova scaling concer

Re: [openstack-dev] design question : green thread model

2015-01-28 Thread Johannes Erdfelt
On Wed, Jan 28, 2015, murali reddy wrote: > I am trying to understand how a nova component can be run parallely on a > host. From the developer reference documentation it seems to indicate that > all the openstack services use green thread model of threading. Is it the > only model of parallelism