On Wed, Aug 2, 2017 at 4:38 PM, Peter Eisentraut
> Maybe it doesn't need to be logged at all (other than perhaps as DEBUG)?
> A few months ago, people were complaining about too many messages about
> background workers starting. Now we are having complaints about
> messages about background workers stopping.
I actually don't think it's that unreasonable to get notified when
system-wide processes like the autovacuum launcher or the logical
replication launcher start or stop. That's stuff somebody might want
to know. It's not going to generate a lot of log volume, and it might
be useful, so why suppress it?
Where things get ugly is if you start to get a high rate of messages -
e.g. from starting and stopping parallel query workers or other kinds
of things where you might have workers starting and stopping very
frequently. But surely this isn't an example of that.
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