[Zope] Large jumps of memory use increase, and seeking overall understanding of memory use

[alex at schnarff.com]

> I've not seen whole thread so sorry if I missed something.
>
>> there were requests for our
>> front page and apparently everything that accompanies it in Plone,
>> i.e. the Plone scripts.jss, the style sheets, bunch of icon gifs,
>> image thumbs the logo.jpg, etc.
> Maybe this is your specific configuration for tests, or something that
> you are aware of (if so then sorry for telling you something obvious)
> but in general things like css, js, images should be cached and not
> served (always) directly by Zope/Plone instance. Properly
> set up caching is a incredible performance boost. If you have no
> caching then serving all this stuff from zope may also cause bigger RAM
> usage as all these objects are read into memory by Zope when they're
> 'touched'.

Wow, this is key, clearly. What are your suggestions for the best (i.e. 
least resource-intensive) form of caching?

Alex