On Sat, 19 Jul 2003, Jeremy M. Guthrie wrote:
> 100megs of new data each day. However, the instant the system finishes only
> a 'vacuum analyze', the whole thing slows WAY down to where each run can take
> 10-15 minutes.
Have you run EXPLAIN ANALYZE on the delete query before and after the
vacuum? Does it explain why it goes slower?