[Zope-CMF] Re: CachingPolicyManager improvements

[Florent Guillaume]

Geoff Davis wrote:
>>>>RAMCacheManager has no good way to purge stale content.
>>
>>ZCacheable_invalidate()?
>>(granted, in practice it's currently broken for skins...
>>http://www.zope.org/Collectors/CMF/343 )
>>
> 
> It's not just that RAMCacheManager has bugs.  ZCacheable_invalidate, when
> called, invalidates everything in the cache associated with a given page
> template.  That means that if you cache, say, a template that provides
> a view of a document, the only way to invalidate the view for a single
> document is to invalidate the view of _all_ documents.  Not very useful.

Yeah you can't invalidate individual views, but I don't think it would be 
too hard to change that code. I know I've also felt this would be useful to 
have in several cases.

Florent	

-- 
Florent Guillaume, Nuxeo (Paris, France)   CTO, Director of R&D
+33 1 40 33 71 59   http://nuxeo.com   fg at nuxeo.com