David Boreham wrote: > Steve Wampler wrote: > >> Joshua D. Drake wrote: >> >> >>> The reason you want the dual core cpus is that PostgreSQL can only >>> execute 1 query per cpu at a time,... >>> >> >> >> Is that true? I knew that PG only used one cpu per query, but how >> does PG know how many CPUs there are to limit the number of queries? >> >> >> > He means only one query can be executing on each cpu at any particular > instant. Got it - the cpu is only acting on one query in any instant but may be switching between many 'simultaneous' queries. PG isn't really involved in the decision. That makes sense. -- Steve Wampler -- swampler@xxxxxxxx The gods that smiled on your birth are now laughing out loud. ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend