On Wednesday, October 12, 2011 2:53:09 PM UTC-4, Rob Miller wrote:
>
> On 10/12/11 11:00 AM, Parnell Springmeyer wrote:
> > One quick thing to add: I am building/maintaining a *big* production
> > application that is 100% on top of Pyramid and strictly uses Traversal
> > and SQLAlchemy.
>
> One thing worth noting when using traversal w/ SQL is that you often pay 
> a lookup penalty, since every part of the requested URL path usually 
> results in an additional database query (e.g. "GET /foo/bar/baz" would 
> be at least 3 queries).  
>

or 3 requests to memcached. :)
 
Also,

I can imagine that it would be possible in the root factory to have enough 
information to everything for the context path that it can in one batch. I 
haven't needed to implement this yet, but it's in the tech debt at work for 
if things go down in flames. 

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