[Zope-dev] Re: ZCatalog algorithms

[Michel Pelletier]

> -----Original Message-----
> From: morton@dennisinter.com [mailto:morton@dennisinter.com]
> Sent: Wednesday, September 01, 1999 1:21 AM
> To: Zope Development
> Subject: [Zope-dev] Re: ZCatalog algorithms
> 
> 
> This is a note to the Zope dev team.
> 
> Perhaps I'm out of place suggesting this, but theres an 
> extremely good indexing package, which is open source (i 
> think), and is available, called MG. Theres a book that goes 
> with it called "Managing Gigabytes" co-authored by an old 
> university lecturer of mine, Allistair Moffat. the book and 
> package can be found at http://www.cs.mu.oz.au/mg/
> 
> The focus of the package, and the book, is in creating highly 
> efficient compressed indexes and data. They use Perfect 
> Hashing for their indexes. Their indexing technique is geared 
> to creating static indexes, and they rebuild the Perfect Hash 
> tables and the compression dictionary once in a while.
> 
> I note from reading through the ZCatalog code that the 
> authors have some performance concerns, and were wondering 
> where to go next. You could do worse than taking a look at 
> the MG code and/or book.
> 

Cool.  Thanks for the tip!

-Michel