[Zope-dev] Do I really understanding caching?

[Andy McKay]

Thanks
 
> (I'm only talking about text indices here.)
> 
> Note that the Catalog is actually a tree of database/cache objects. 
> There are a series of buckets and sub-buckets that end in a word
> object.  The buckets, sub-buckets, and words are all database objects
> and can be cached/updated separately.
> 
> Put another way, every branch and leaf on the tree in a Catalog is a
> separately stored and cached database object.
> 
> The 1,027 words in the document (and the branches on the tree to get to
> them) that was updated would obey the cache parameters.

Hmm, that is a significant optimization, and one I was not aware of.
 
> What problem are you trying to solve -- response time, memory usage,
> disk usage?

All of the above :)