Re: Moving cache from object count to size

On 16/01/11 22:44, Neil Schemenauer wrote:
> Jesus Cea <jcea <at> jcea.es> wrote:
>> I have objects 50 bytes long, and 60Kbytes long . I would
>> suggest to change the cache code to control cache size, instead of
>> object count.
> 
> I played with this idea a little.  It seems like the bookkeeping
> will get pretty complicated.  Iterating over all objects in the
> cache to find the current size does not seem feasible, for
> performance reasons.  Therefore, the cache would have to keep track
> of the total size as objects are added and removed.  The fact that
> objects are weakly referenced by the cache futher complicates
> things.
> 
> Maybe I'm missing a simple implementation but it doesn't appear to
> be worth the effort, IMHO.

You have the weak reference callback, for instance. It is not different
to current cache object count.

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