Two sets of presentations are available from the Portland State University Computer Science Department sponsored speaker series about Database Test 2 from January 8, 2009:

Speaker Series Overview - what the speaker series is about:

http://www.slideshare.net/markwkm/postgresql-portland-performance-practi...

Database Test 2 (DBT-2) Background - a little history about how the test kit came to be:

http://www.slideshare.net/markwkm/postgresql-portland-performance-practi...