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@pervasive.com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461