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