On 5/11/24 09:57, Jelte Fennema-Nio wrote:
> On Fri, 10 May 2024 at 23:31, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>
>> Bruce Momjian <bruce@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.
+1
--
Joe Conway
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com