[openstack-dev] [Heat] Multi-engine design feedback requested

Jason Dunsmore jason.dunsmore at rackspace.com
Thu Aug 29 21:31:07 UTC 2013

Heat devs,

Liang pointed out a race-condition in the current multi-engine
implementation that will be difficult to fix without a DB lock.  I've
discussed the multi-engine design with my teammates and written up a few
alternative designs here:

Every design has its own downsides, so I was hoping to get some feedback
from the core devs as to which one is preferable.

Feel free to add comments in-line.  Please don't click "Clear Authorship
Colors" ;)


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