On Mon, Oct 30, 2023 at 02:22:08PM +1300, David Rowley wrote:
> If I change STD_FUZZ_FACTOR to something like 1.0000001 then the plans
> no longer change when I do:
> 
> alter server loopback options (add fdw_tuple_cost '0.01');
> <run the query>
> alter server loopback options (drop fdw_tuple_cost);
> <run the query>
> 
> Ordinarily, I'd not care too much about that, but I did test the
> performance of one of the plans and the new plan came out slower than
> the old one.
> 
> I'm not exactly sure how best to proceed on this in the absence of any 
> feedback.

I think you just go and change it.  Your number is better than what we
have, and if someone wants to suggest a better number, we can change it
later.

-- 
  Bruce Momjian  <br...@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.


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