Re: 2x slowdown of JDBC driver 42.3.0+

From: Dave Cramer <davecramer(at)postgres(dot)rocks>
To: Stanislav Bashkyrtsev <stanislav(dot)bashkirtsev(at)gmail(dot)com>
Cc: pgsql-jdbc(at)lists(dot)postgresql(dot)org
Subject: Re: 2x slowdown of JDBC driver 42.3.0+
Date: 2022-02-27 13:06:40
Message-ID: CADK3HHJ+3=Nd1A5npreXnTNmAzprKC3LL43ZA1CnziSK2MJipA@mail.gmail.com
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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
>

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