On Wed, 15 Jul 2020 at 12:24, David Rowley <dgrowleyml@gmail.com> wrote:
> If we've not seen any performance regressions within 1 week, then I
> propose that we (pending final review) push this to allow wider
> testing. It seems we're early enough in the PG14 cycle that there's a
> large window of time for us to do something about any reported
> performance regressions that come in.
I did that final review which ended up in quite a few cosmetic changes.
Functionality-wise, it's basically that of the v2 patch with the
PARALLEL_SEQSCAN_MAX_CHUNK_SIZE set to 8192.
I mentioned that we might want to revisit giving users some influence
on the chunk size, but we'll only do so once we see some conclusive
evidence that it's worthwhile.
David