On Wed, Jan 28, 2015, at 06:50 PM, Johannes Erdfelt wrote: > On Wed, Jan 28, 2015, Clint Byrum <cl...@fewbar.com> wrote: > > As is often the case with threading, a reason to avoid using it is > > that libraries often aren't able or willing to assert thread safety. > > > > That said, one way to fix that, is to fix those libraries that we do > > want to use, to be thread safe. :) > > I floated this idea across some coworkers recently and they brought up a > similar concern, which is concurrency in general, both within our code > and dependencies. > > I can't find many places in Nova (at least) that are concurrent in the > sense that one object will be used by multiple threads. nova-scheduler > is likely one place. nova-compute would likely be easy to fix if there > are any problems. > > That said, I think the only way to know for sure is to try it out and > see. I'm going to hack up a proof of concept and see how difficult this > will be.
I hope someone who was around at the time will chime in with more detail about why green threads were deemed better than regular threads, and I look forward to seeing your analysis of a change. There is already a thread-based executor in oslo.messaging, which *should* be usable in the applications when you remove eventlet. Doug > > JE > > > __________________________________________________________________________ > 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