On Fri, Nov 9, 2012 at 5:56 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
>
> As well, since the default nap time is 1 minute, it will take at least
> 50 minutes to vacuum each db as nap time is how long autovac waits
> between databases.
That isn't how it works. The naptime is per database, not per
cluster. If the naptime is 1 minute and there are 50 "active"
databases, then it will launch a new worker every 1.2 seconds
(assuming the old ones finish fast enough that doing so would not
exceed autovacuum_max_workers)
Cheers,
Jeff
