Tom Lane wrote:
> Erik Aronesty <erik@q32.com> writes:
>> I have 3 servers, all with identical databases, and each performing
>> very differently for the same queries.
>
> I'm betting on varying degrees of table bloat. Have you tried vacuum
> full, cluster, etc?
Or, if you have been using VACUUM FULL, try REINDEXing the tables,
because it could easily be index bloat. Clustering the table will take
care of index bloat as well as table bloat.
--
Craig Ringer