[Zope-dev] Zope.pipeline proposal

[Martin Aspeli]

Hanno Schlichting wrote:
> Shane Hathaway wrote:
>> Roger Ineichen wrote:
>>> Do you know something about the performance of WSGI?
>>>
>>> I whould be happy to see some perfomance tests comparing
>>> WSGI with other server concepts.
>> WSGI is extremely lightweight, so WSGI itself isn't going to affect 
>> performance.  The WSGI servers I know about are reasonably fast.
> 
> What's the overhead of a WSGI middleware? Is the overhead cost in the
> same order of magnitude as a simple function call with a return value or
> is there something inherently more complex going on?

No. A WSGI app is basically just a callable. Of course, the app can do 
lots of crazy things. There may also be some setup cost if you use 
things like Paste Deploy, but that's a one-time thing.

zope.pipeline may of course do lots of crazy things in its apps. ;-)

Martin

-- 
Author of `Professional Plone Development`, a book for developers who
want to work with Plone. See http://martinaspeli.net/plone-book