Jeff Boes <jboes@nexcerpt.com> writes:
> Does 7.2's approach of recycling log files
> take less time than 7.1's approach of deleting and re-creating?
It should. In any case, if you are only recycling WAL segments once
every 10-20 minutes, any speedup or slowdown in that operation is
quite unlikely to be causing a noticeable overall performance
difference. I think you should be looking at query plans and so on.
regards, tom lane