On 2016-07-11 11:14:29 -0700, Peter Geoghegan wrote:
> On Mon, Jul 11, 2016 at 7:25 AM, Stephen Frost <sfrost@snowman.net> wrote:
> >> Or in short, this may be a fine change to make, but I don't like your
> >> argument for it.
> >
> > I don't agree that it's sensible to get rid of. Having just
> > log_checkpoints will have the logs filled with checkpoints starting
> > because of XLOG, but there's no indication of that being a bad thing.
>
> I agree. checkpoint_warning exists for the benefit of novice DBAs.
> I've seen those warnings in customer logs on several occasions, at
> least back when I was a consultant.
Note that the situation changed a bit with 9.5, because our defaults
aren't absurdly conservative (checkpoint_segments = 3) anymore.