Juan, > When I hit > this pgsql on this laptop with a large query I can see the load spike up > really high on both of my virtual processors. Whatever, pgsql is doing > it looks like both cpu's are being used indepently. Nope, sorry, you're being decieved. Postgres is strictly one process, one query. You can use Bizgres MPP to achieve multithreading; it's proprietary and you have to pay for it. It does work well, though. More importantly, though, you haven't really explained why you care about multithreading. -- --Josh Josh Berkus Aglio Database Solutions San Francisco