Claudio Eichenberger <cei(at)yourshop(dot)com> writes:
> The parameter autovacuum_naptime seems to take minutes for seconds.
How many databases in your installation?
autovacuum_naptime is the target cycle time for any one database.
If you have N databases then the time between launching autovacuum
workers will be autovacuum_naptime / N.
regards, tom lane