Re: Bitmap Indexes: request for feedback
Josh Berkus <josh@agliodbs.com>
From: Josh Berkus <josh@agliodbs.com>
To: pgsql-hackers@postgresql.org
Cc: Gianni Ciolli <gianni.ciolli@2ndquadrant.it>, Gabriele Bartolini <gabriele.bartolini@2ndquadrant.it>, Simon Riggs <simon@2ndquadrant.com>
Date: 2008-10-21T21:26:44Z
Lists: pgsql-hackers
Gianni, > me and Gabriele Bartolini have been working on Bitmap Indexes (BMI) in > the last weeks, with advice and guidance from Simon Riggs. We feel > that we are about to approach the point where it is appropriate to ask > for feedback from this list. The other major issue with the Bitmap index patch as it stood in 2007 was that performance just wasn't that much faster than a btree, except for specific corner cases. Otherwise, someone else would have been interested enough to pick it up and finish it. So performance testing of the patch is absolutely essential. -- --Josh Josh Berkus PostgreSQL San Francisco