Re: [openstack-dev] [Oslo] [Ironic] Can we change rpc_thread_pool_size default value?

2014-04-24 Thread Mark McLoughlin
On Wed, 2014-04-23 at 07:25 +0100, Mark McLoughlin wrote: On Tue, 2014-04-22 at 15:54 -0700, Devananda van der Veen wrote: Hi! When a project is using oslo.messaging, how can we change our default rpc_thread_pool_size? --- Background Ironic has hit a bug

Re: [openstack-dev] [Oslo] [Ironic] Can we change rpc_thread_pool_size default value?

2014-04-23 Thread Chris Behrens
Fwiw, we've seen this with nova-scheduler as well. I think the default pool size is too large in general. The problem that I've seen stems from the fact that DB calls all block and you can easily get a stack of 64 workers all waiting to do DB calls. And it happens to work out such that none of

Re: [openstack-dev] [Oslo] [Ironic] Can we change rpc_thread_pool_size default value?

2014-04-23 Thread Mark McLoughlin
On Tue, 2014-04-22 at 15:54 -0700, Devananda van der Veen wrote: Hi! When a project is using oslo.messaging, how can we change our default rpc_thread_pool_size? --- Background Ironic has hit a bug where a flood of API requests can deplete the RPC worker pool on the