> "Tom Lane" <tgl@sss.pgh.pa.us> writes:
> On the other hand, I have watched people lazy-vacuum production
> databases in 7.2.* and not seen any visible hit on system load
> (as far as top or vmstat could show, anyway).
From my experience lazy-vacuum never strains system load with
modern processors. It is defenitely IO-bound.
regards,
Nic