Re: [Zope-dev] RAMCacheManager and object size

2005-07-10 Thread Sidnei da Silva
On Sun, Jul 10, 2005 at 12:18:03AM -0600, Shane Hathaway wrote: | Catalog results in particular are an obvious thing to cache, but they | aren't safe for caching because they link back to the catalog. You'd | have major thread problems and probably inconsistent results. Would using thread.local h

Re: [Zope-dev] RAMCacheManager and object size

2005-07-10 Thread Shane Hathaway
Sidnei da Silva wrote: > On Sun, Jul 10, 2005 at 12:18:03AM -0600, Shane Hathaway wrote: > | Catalog results in particular are an obvious thing to cache, but they > | aren't safe for caching because they link back to the catalog. You'd > | have major thread problems and probably inconsistent resul

Re: [Zope-dev] RAMCacheManager and object size

2005-07-10 Thread Sidnei da Silva
On Sun, Jul 10, 2005 at 09:32:29AM -0600, Shane Hathaway wrote: | > Would using thread.local help here? | | I don't think so. You want either a shared cache (like RAMCacheManager) | or a per-database-connection cache (which would let you cache catalog | results.) Database connections are not bou

Re: [Zope-dev] Default ZODB cache size

2005-07-10 Thread Dieter Maurer
Tim Peters wrote at 2005-7-8 15:08 -0400: >[Florent Guillaume] >>> How about boosting the default ZODB cache_size to something less >>> ridiculous than the default 4000 ? >>> I propose changing etc/zope.conf.skel to have an explicit value of >>> 2. > >[Dieter Maurer] >|> That may already be a b

Re: [Zope-dev] RAMCacheManager and object size

2005-07-10 Thread Dieter Maurer
Florent Guillaume wrote at 2005-7-8 20:36 +0200: >The RAMCacheManager does a costly pseudo-pickling of the objects it >stores to compute their size, but that information is only used in >the statistics screen. I replaced it by the following code: try: from cPickle import Pickler, HIGHEST_PRO