[Twisted-web] static file performance

[Michał Pasternak]

Dnia 2008-03-04, o godz. 21:54:22
Thomas Hervé <therve at free.fr> napisał(a):

> Phil Christensen a écrit :
> > Hi All,
> >
> > The previous thread about http server performance made me think of 
> > something I've been meaning to ask about for a while.
> >
> > What is the best way to send static files to the client in 
> > twisted.web? I know web2 had some preliminary support for mmap for 
> > small files, but I know it didn't work the last time I checked, and 
> > I'm trying to stick with twisted.web for now, anyways.
> >
> > I've just been using Apache to serve static content, but I'd love
> > to be able to use a pure-twisted solution.
> 
> If you use a supported platform (Linux, FreeBSD, maybe Leopard), 
> sendfile is the best way to get close to Apache performance on static 
> files. The ticket #585 (http://twistedmatrix.com/trac/ticket/585) is 
> where we try to do that. Unfortunately, this is a huge change, so it 
> requires huge energy to get it into Twisted :). So any help on this 
> ticket would be great: reviews, adding tests, performance measures,
> etc...

Also I'd suggest taking a look at lighttpd - C source is pretty clear,
and one of many possible solutions is using async I/O on mmaped shared
memory. If you ask me, I'd rather try to find a clean way of using
lighttpd with Twisted Web, like a caching reverse proxy :)

Regards,
-- 
m