"Rob Richardson" <Rob(dot)Richardson(at)rad-con(dot)com> writes:
> A customer found this in one PostgreSQL log file:
> EDTWARNING: autovacuum not started because of misconfiguration
> This has only appeared once. The database has been restarted since then
> (about eight days ago), and this message has not reappeared. For now,
> we're not going to worry about it, but I remain curious. What would
> have caused this, and where would I have looked to find the problem?
The next line should have told you --- it'd have been
HINT: Enable the "track_counts" option.
Now, if you're certain you weren't messing with that parameter setting
throughout this sequence, there might be something worthy of further
investigation here ...
regards, tom lane