[ZODB-Dev] [Proposal] Size controlled ZODB cache

[Shane Hathaway]

Dieter Maurer wrote:
> Currently, the ZODB cache can only be controlled via the maximal number
> of objects. This makes configuration complex as the actual limiting
> factor is the amount of available RAM and it is very difficult to
> estimate the size of the objects in the cache.
> 
> I therefore propose the implementation of cache replacement policies
> based on the estimated size of its objects.

+1 on this proposal.  Ideally, it should be possible to tell ZODB to use
either cPickleCache, your size controlled cache, or some other cache
implementation, upon opening the database.

Shane