On Nov 24, 2007 5:16 PM, Gregory Stark <[EMAIL PROTECTED]> wrote: > Several of the major changes in 8.3 are I/O vs CPU tradeoffs which could be > causing a slowdown if you're measuring primarily CPU resources. I'm thinking > of both HOT and packed varlenas. I don't know if either of these are causing > your slowdown but it's possible.
Here are some rough results: http://people.openwide.fr/~gsmet/postgresql/postgresql_8.3_development_cycle_1.png I don't pretend that this bench is realistic but it's a first step. I run the tests with weird numbers more than 3 times to check that they are consistent. IIRC, packed varlenas were commited during April and HOT at the end of September. -- Guillaume ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
