"Paragon" <lr(at)pcorp(dot)us> writes:
> Right now I have
> vacuum_cost_delay = 600
Yikes. That's *way* too high. If you're trying to get the vacuum to
complete quickly, it really should be zero anyway. Nonzero is for when
you don't care how long vacuum takes as long as it's not sucking too much
I/O from your real work.
regards, tom lane