On Mon, Dec 19, 2005 at 03:47:35PM -0500, Greg Stark wrote: > Increase your work_mem (or sort_mem in older postgres versions), you can do > this for the server as a whole or just for this one session and set it back > after this one query. You can increase it up until it starts causing swapping > at which point it would be counter productive. Just remember that work_memory is per-operation, so it's easy to push the box into swapping if the workload increases. You didn't say how much memory you have, but I'd be careful if work_memory * max_connections gets very much larger than your total memory. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461