Boden, Are you thinking of implementing something which would perform exponentially backed off calls to some arbitrary function till that method returns with something other than a timeout?
I think that would be very versatile, and useful in a wide variety of places. Thanks, -amrith > -----Original Message----- > From: Davanum Srinivas [mailto:dava...@gmail.com] > Sent: Wednesday, April 20, 2016 4:45 PM > To: OpenStack Development Mailing List (not for usage questions) > <openstack-dev@lists.openstack.org> > Subject: Re: [openstack-dev] [neutron][nova][oslo] Common backoff & > timeout utils > > Sounds good to me Boden. > > -- Dims > > On Wed, Apr 20, 2016 at 4:10 PM, Boden Russell <boden...@gmail.com> wrote: > > Today there are a number of places in nova, neutron and perhaps > > elsewhere that employ backoff + timeout strategies (see [1] - [4]). > > While we are working towards a unified approach in neutron for RPC > > [5], it appears such logic could benefit the greater community as a > > reusable oslo implementation. > > > > IMHO such an oslo implementation could: > > - Enable backoff/timeout irrespective of client/transport. This would > > allow the utils to be used with various clients (HTTP, AMQP RPC, etc.). > > - Support namespacing as inspired by the existing neutron patch [5]. > > - In the future, perhaps, allow multiple (pluggable) backoff > > strategies to be used (e.g. configurable backoff). > > > > Anyone adverse to me crafting an initial oslo patch to kick-off the > > details on this one? > > > > > > Thanks > > > > > > [1] > > https://github.com/openstack/nova/blob/master/nova/conductor/api.py#L1 > > 62 > > [2] > > https://github.com/openstack/nova/blob/3cdaa30566c17a2add5d9163a0693c9 > > 7dc1d065b/nova/scheduler/utils.py#L356 > > [3] > > https://github.com/openstack/neutron/blob/dd4f1253c951d78a5b497680dfb3 > > 1317ba469a58/neutron/agent/l3/agent.py#L224 > > [4] > > https://github.com/openstack/neutron/blob/42c6f05f2904cd4c01bcd3f79b19 > > 66489f5ad3c1/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_dvr_neu > > tron_agent.py#L189 [5] https://review.openstack.org/#/c/280595/ > > > > ______________________________________________________________________ > > ____ OpenStack Development Mailing List (not for usage questions) > > Unsubscribe: > > openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > -- > Davanum Srinivas :: https://twitter.com/dims > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev