[Zope-dev] Searching/Indexing/ZODB/SQL/BerkleyDB

Chris Withers chrisw@nipltd.com
Thu, 29 Nov 2001 09:50:52 +0000


"Barry A. Warsaw" wrote:
> 
> than the factor of 100 your numbers showed for you data!  I would not
> make the blanket assertion that Berkeley storage is 100 times slower
> than FileStorage.

Sorry, let me clarify as well, I only meant in the context of searching and indexing...

> Let me just reiterate: it's vitally important to tune your Berkeley
> storage for your system and application, especially with regards to
> cachesize.  E.g. Getting the cachesize wrong can definitely destroy
> your performance, maybe producing numbers as bad as you're seeing.
> I won't claim that Berkeley DB is easy to tune, though.

Indeed... and I've spent a while twiddling cache sizes to no avail ;-)

cheers,

Chris