On 6/18/12 9:39 AM, Anish Kejariwal wrote: > Thanks for the help, Jeff and Josh. It looks reclustering the multi-column > index might solve things. For my particular query, because I'm getting a > range of records back, it makes sense that reclustering will benefit me if > I have a slow disk even if I had expected that the indices would be > sufficient . I now need to make sure that the speed up I'm seeing is not > because things have been cached. Well, other than that your performance is as expected because of your much-larger-than-RAM database and your relatively slow disk. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance