Hi, On 2023-07-10 15:25:41 +0200, Alvaro Herrera wrote: > On 2023-Jul-03, Masahiko Sawada wrote: > > > While testing PG16, I observed that in PG16 there is a big performance > > degradation in concurrent COPY into a single relation with 2 - 16 > > clients in my environment. I've attached a test script that measures > > the execution time of COPYing 5GB data in total to the single relation > > while changing the number of concurrent insertions, in PG16 and PG15. > > This item came up in the RMT meeting. Andres, I think this item belongs > to you, because of commit 00d1e02be2.
I'll take a look - I wasn't even aware of this thread until now. Greetings, Andres Freund
