[Zope-PAS] PAS Caching

Jens Vagelpohl jens at dataflake.org
Mon Nov 8 04:40:17 EST 2004

> My experience with RAMCacheManager is that it is easier to write a  
> simpler RAM Cache class than to try to configure / hack into the  
> existing one because it is basically not granular enough and it uses a  
> cache mechanism that is not necessarily adapted to the application's  
> needs.
> For instance it knows nothing about the internal structure of the  
> cached objects, and the business logic associated. Also the way the  
> aggregated cache index is computed forces you to cache many more  
> objects than it is required in reality.
> In the end I am using a simple RAM cache module to read and write in  
> RAM, and the actual cache management part is embedded in the  
> application code (lazy invalidation, event-based invalidation, ...)  
> which RAMCacheManger was not designed to handle..
> http://cvs.nuxeo.org/cgi-bin/viewcvs.cgi/*checkout*/CPS3/CPSPortlets/ 
> PortletRAMCache.py?rev=1.1&content-type=text/plain

Thanks for the comment, but that decision has been made after some  
discussion already. It *will* be RAMCacheManager.


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