On Friday, July 24, 2015 at 2:06:15 PM UTC-4, Richard Kuesters wrote:
>
>  well, application-wise it is really to run other procedures, not from the 
> database or python side, but from a message broker that's expecting 
> anything to happen to that value -- even if it's just a touch :)
>
> err ... it's quite a specific architecture for dumb clients, so i'm just 
> taking some extra security measures ;)
>

It's not really that dump of an architecture.  I picked up on the 
value/importance of a simple touch.

Just throwing out some more ideas...

We have a caching system in place for public data for a pyramid app using 
SqlAlchemy and Dogpile(redis).  When objects are fetched form the cache, a 
`postcache` hook is performed and... if the object requires a lot of 
processing... it can register the object and an action into a global pool. 
 We then use an event in Pyramid to pop and process everything in the pool.

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