On Sat, 9 Mar 2002, Crash Dummy wrote:
> Hi,
>
> I've moved a database onto a much faster machine but for some reason the
> query planner is opting to use seq scan methods rather than the indexes.
>
> This is a very large database without the indexes the performance is dire -
> the new machine is a 2Ghz P4 with 1GB RAM, the old machine is a 900Mhz P3
> with 512Mb Ram.
>
> Any idea why this is happening adn what I can do to solve the problem ? I've
> tried dropping & rebuilding the indexes, vacuum analyze etc but to no
> effect.
What do the schema and queries look like, and what does explain (explain
analyze if you've got 7.2) show for them?