Xiaoning Ding wrote:
> Postgresql is 7.3.18. [...]
> 1 process takes 0.65 second to finish.
> I update PG to 8.2.3. The results are [...] now.
> 1 process : 0.94 second
You sure about your test environment? Anything else
running at the same time, perhaps?
I'm a bit surprised that 8.2.3 would be 40% slower than 7.3.18
even in the single process case.