[Seaside] page caching

Ramiro Diaz Trepat ramirodt at gmail.com
Thu Jul 19 15:17:25 UTC 2007

Caching would be a real nice thing to have in Seaside.  I believe in
the feature it would be great if Seaside would not be as closed to
this completely dynamic model and some ordinary RESTful urls could be
added to your application, it could come in very handy.  But for now,
I think is almost impossible to do any page caching.
It is a shame since in any large web site there are probably lots of
sections that change seldom and that are identical for all users,
saying that Seaside should not be used in those cases is also not a
good answer for me.
The good news is that probably a big bottleneck on web apps is the
access to the database, more than the Seaside HTML generation.  So if
you want to cache those, it could be a good idea.  I was thinking on
implementing the Squeak client for memcached, and using it to cache
and distribute persistent data across multiple images / servers.

On 7/19/07, Sebastian Sastre <ssastre at seaswork.com> wrote:
> I'm also wont say is not possible. But yes, cache hits will be kind of
> complex for Seaside. To compare think about caching the views in a desktop
> application. The OS creates and destroys views all the time. For it caching
> widgets (it's not it's bottleneck anyway) will be complex not to mention
> it's state (which the continuations solves). Getting a nice cache solution
> for Seaside will be quite challenging mostly because the cache policy will
> strongly depend on your own application.
>         cheers,
> Sebastian Sastre
>  > -----Mensaje original-----
> > De: seaside-bounces at lists.squeakfoundation.org
> > [mailto:seaside-bounces at lists.squeakfoundation.org] En nombre
> > de Colin Putney
> > Enviado el: Miércoles, 18 de Julio de 2007 21:16
> > Para: Seaside - general discussion
> > Asunto: Re: [Seaside] page caching
> >
> >
> > On Jul 18, 2007, at 2:14 PM, Giles Bowkett wrote:
> >
> > > Hi all - what's the best strategy for caching frequently-requested
> > > pages in Seaside? Can you cache raw HTML on a
> > component-by-component
> > > basis for performance?
> >
> > I won't say it can't be done, but it's difficult. The problem
> > is that there are no frequently-requested pages in Seaside.
> > Any given url is served approximately once, with only
> > backtracking or reloading in the browser causing a url to be
> > revisited. Now obviously, many of the page-views that Seaside
> > serves will have very similar HTML, but it'll never be
> > identical, because the continuation id will be different in
> > all the urls in the page.  Maybe there's an opportunity there
> > to come up with a system for plugging in those
> > slightly-different bits, but nobody has tried it yet, as far
> > as I know.
> >
> > Colin
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