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Wednesday, May 14 • 11:50am - 12:30pm
Augmenting polling with notifications

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This session will include the following subject(s):

Using notifications:

Instead of polling backend APIs to get an updated status of a resource, Heat should subscribe to notifications when they exist, and simply wait for the relevant information to show up.

We could start by moving the nova server creation.

Topics to discuss:
* Implementation strategy: Do we have a separate process subscribing to the broker? Do we subscribe to all the messages and filter afterwards?
* Do we keep the current polling system as a backward compatible mechanism?
* Race conditions
* Timeouts

(Session proposed by Thomas Herve)

Wednesday May 14, 2014 11:50am - 12:30pm EDT

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