Perhaps you could share how you are measuring this?
On Sun, Feb 27, 2022, 7:09 AM Stanislav Bashkyrtsev <
stanislav(dot)bashkirtsev(at)gmail(dot)com> wrote:
> When upgrading to any version of JDBC driver starting with 42.3.0 my performance
> tests that are heavy on inserting records (and lots of blobs by the way)
> show 2x slow down. I couldn't find anything suspicious in the changelog,
> so if anyone can give me the directions on how to research/troubleshoot
> this problem, I'd greatly appreciate it.
>
> PostgreSQL version: 13.2
> Operating system: Ubuntu
>