[openstack-dev] [heat] enabled convergence background

xiangxinyong xiangxingyong at qq.com
Fri May 20 13:01:23 UTC 2016


Thanks Thomas Herve, Steven Hardy and Anant Patil.
Thanks team.
It help me a lot.


Best Regards,
    xiangxinyong


On Fri, May 20, 2016 05:48 PM,  Anant Patil wrote:
> On 20-May-16 13:51, Steven Hardy wrote:
>> 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)
>> 
>
>You can find more details in this talk:
>https://www.openstack.org/videos/video/scalable-heat-engine-using-convergence
>
>-- Anant
>
>
>> Steve
>> 
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