On Fri, May 20, 2016 at 09:26:46AM +0200, Thomas Herve wrote: > On Fri, May 20, 2016 at 5:46 AM, xiangxinyong <xiangxingyong at qq.com> wrote: > > Hi Team, > > > > I noticed that heat enabled convergence. > > I hope that's not the case :). We haven't made the switch yet. We > continue to do testing, and we're still finding issues so we won't > make it until we have a good confidence that it's mostly seamless. It's not ;) https://github.com/openstack/heat/blob/master/heat/common/config.py#L181 > > Could someone tell me about the background about the convergence. > > or some specs to introduce it? > > I believe the spec is a good introduction to it: > https://specs.openstack.org/openstack/heat-specs/specs/juno/convergence.html Rico also did a nice overview in his talk in Tokyo: https://www.openstack.org/summit/tokyo-2015/videos/presentation/inwinstack-heat-up-your-stack-deep-dive-to-heat-learn-how-to-orchestrate-your-cloud It's towards the end (from around 28mins) Steve