Peter Bengtsson skrev:
> From experience I find that BTrees are very fast to write to and pick
> out items from. Even in the millions. (Never gone into the tens of
> millions or further)
> Also, when it comes to browsing stuff I find SQL faster and easier to
> work with. An added advantage of a RDBMS is that you get the indexing
> seamlessly built in (no need to bridge zbrain.getObject()) and it
> makes it easier to optimize and figure out which indexes help and
> which indexes slow you down which is something that is far from
> obvious with a ZCatalog approach.

Right.  But wouldn't profiling indexes in Zope be as easy as wrapping the
index search method in a function that does time.time before and after
the search?  :-)


Morten W. Petersen
Nidelven IT Ltd

Phone: +47 45 44 00 69

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