On Wed, Feb 6, 2019 at 5:29 AM Mariel Cherkassky <
mariel(dot)cherkassky(at)gmail(dot)com> wrote:
> Now the question is how to handle or tune it ? Is there any change that I
> need to increase the cost_limit / cost_delay ?
>
Sometimes vacuum has more work to do, so it takes more time to do it.
There is no indication of a problem. Or at least, you haven't described
one. So, there is nothing to handle or to tune.
If there is a problem, those log entries might help identify it. But in
the absence of a problem, they are just log spam.
Cheers,
Jeff