On Fri, 10 May 2024 at 23:31, Tom Lane <t...@sss.pgh.pa.us> wrote: > > Bruce Momjian <br...@momjian.us> writes: > > I looked at both of these. In both cases I didn't see why the user > > would need to know these changes were made: > > I agree that the buffering change is not likely interesting, but > the fact that you can now control-C out of a psql "\c" command > is user-visible. People might have internalized the fact that > it didn't work, or created complicated workarounds.
The buffering change improved performance up to ~40% in some of the benchmarks. The case it improves mostly is COPY of large rows and streaming a base backup. That sounds user-visible enough to me to warrant an entry imho.
