[Zope-dev] Zope Caches

Shane Hathaway shane@zope.com
Thu, 21 Nov 2002 16:23:03 -0500


Brian R Brinegar wrote:
> Not RAM Cache managers, but Database caches.

In that case we still haven't narrowed it down. :-)  You have 12 
in-memory ZODB caches (they can't be shared) and 3 on-disk ZEO caches. 
Depending on your site, the ZODB cache can consume a lot of RAM, so Zope 
2.6 has a database activity graph to help you tune the ZODB cache size.

Shane

> On Thu, 21 Nov 2002, Shane Hathaway wrote:
> 
> 
>>Brian R Brinegar wrote:
>>
>>>Okay,
>>>
>>>I'm trying to better understand Caching within Zope. Is a cache created
>>>for each Zope Thread? Or one per Zope instance?
>>>
>>>We have 3 ZEO Clients with 4 Threads each. I want to know if we have 3
>>>copies of the cache, or 12 copies of the cache.
>>
>>If you're talking about RAMCacheManager, you have 3 caches.  It
>>carefully shares among threads.
>>
>>Shane
>>
>