Re: PG 14 release notes, first draft

On Tue, Jun 15, 2021 at 11:49:21AM +0900, Masahiko Sawada wrote:
> On Tue, Jun 15, 2021 at 10:36 AM Bruce Momjian <bruce(at)momjian(dot)us> wrote:
>> OK, but I need more information on how users will see a difference based
>> on this commit:

+1. That would be good to have in the release notes.

> I think that since with this commit the server on Windows can handle a
> file over 4GB, COPY FROM loading data from an over 4GB file and
> pg_dump dumping a large table work now.

Segment files or WAL files larger than 4GB also gain from that.
Anything for which we may finish to do a stat() on benefits from this
change if running on Windows. For pg_dump, a workaround in PG <= 13
was to use --no-sync as the stat() failure came from files with a size
larger than 4GB. That's rather sad as that means sacrifying
durability for more usability :(
--
Michael