On Sat, Oct 01, 2005 at 06:19:41PM +0200, Martijn van Oosterhout wrote:
COPY TO /dev/null WITH binary 13MB/s 55% user 45% system (ergo, CPU bound)
[snip]
the most expensive. But it does point out that the whole process is probably CPU bound more than anything else.
Note that 45% of that cpu usage is system--which is where IO overhead would end up being counted. Until you profile where you system time is going it's premature to say it isn't an IO problem. Mike Stone ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq