[Zope] zope performance issues

[Paul Winkler]

On Wed, May 19, 2004 at 07:49:43PM -0700, Trevor Warren wrote:
> 
> --- Dieter Maurer <dieter at handshake.de> wrote:
> > >Per Second with RAMCacheManager on???.
> > 
> > Of course, this depends on how costly your rendering
> > is...
> [snip]
> 
>  The content is just 3 DTML pages with static html
> embedded in it. Nothing to fancy and no eye candy at
> all.
> 
>  RamCacheManager objects i used to cache all
> images/dtml scripts. The statistics show that ONLY
> DTML scripts got cached and no images...why????.

Read the Help text for RAMCacheManager.
This is expected behavior.
See lib/python/Products/StandardCacheManagers/help/RAM.stx
or just click teh "Help" button in the ZMI.

> Ofcourse i would use a rever proxy/apache to do that
> caching but would appreciate some clarity on the same.
> 
>  There was abso no increase in performance with
> RamCacheManager enabled for dtml scripts.

Not especially surprising since they weren't doing much 
work in the first place. At most you saved a little
parsing time.
RAMCacheManager is intended for things that are computationally
expensive.

-- 

Paul Winkler
http://www.slinkp.com