Re: Pgbench: remove synchronous prepare

From: lakshmi <lakshmigcdac(at)gmail(dot)com>
To: Dmitrii Bondar <d(dot)bondar(at)postgrespro(dot)ru>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Pgbench: remove synchronous prepare
Date: 2026-04-06 06:54:46
Message-ID: CAEvyyTgTR6yRuevy+PQQndfQBRh1nhtK8zs=EkQD-yeadbwT_Q@mail.gmail.com
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On Mon, Mar 23, 2026 at 11:45 AM Dmitrii Bondar <d(dot)bondar(at)postgrespro(dot)ru>
wrote:

> Rebase.
>
> Hi Dmitrii,
>
> I tested the latest patch with PgBouncer in session pooling mode (pool
> size 20, 21 clients).
>
> Before applying the patch, pgbench got stuck under this setup and
> eventually hit a query_wait_timeout error.
>
> After applying the patch, pgbench runs smoothly even when clients are
> queued. I can see continuous progress output and normal throughput (~60k
> TPS), with no errors or stalls.
>
> The change works well in my testing.
>
> Thanks for the patch!
>
> Regards,
> Lakshmi G
>
>

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