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From: Ajit Awekar <[email protected]>
To: Jelte Fennema-Nio <[email protected]>
Cc: Kirill Reshke <[email protected]>
Cc: Jelte Fennema-Nio <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: Dave Cramer <[email protected]>
Cc: Jacob Champion <[email protected]>
Cc: Heikki Linnakangas <[email protected]>
Subject: Re: Add GoAway protocol message for graceful but fast server shutdown/switchover
Date: Mon, 1 Dec 2025 10:35:19 +0530
Message-ID: <CAER375Nugod9uuowwEUAai9PpoXP2xD-G54MW6hhjQw-6LtSLQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CALdSSPiORRiJ892J07tT3_xcAm=O9JCW-qHUQvFc6axHoDW_Og@mail.gmail.com>
	<[email protected]>

Hi Jelte,

Thank you for proposing the GoAway protocol message.

I've developed a patch that serves as a strong, immediate use case for its
inclusion.
https://www.postgresql.org/message-id/flat/CAER375OvH3_ONmc-SgUFpA6gv_d6eNj2KdZktzo-f_uqNwwWNw%40mai...


Thanks & Best Regards,

Ajit


On Fri, 24 Oct 2025 at 17:24, Jelte Fennema-Nio <[email protected]> wrote:

> On Fri Oct 24, 2025 at 7:04 AM CEST, Kirill Reshke wrote:
> > On Thu, 23 Oct 2025 at 18:05, Jelte Fennema-Nio <[email protected]> wrote:
> > Im +1 on this idea. This is something I wanted back in 2020, when
> > implementing the 'online restart' feature for odyssey[0], but never
> > bothered to create a thread.
>
> Yeah, to be clear: A big goal of this is definitely to be used by
> poolers/proxies/middleware. Those systems will often be more frequently
> restarted than the actual database servers, so being able to do that
> quickly without disrupting active connections is much more important
> there than with plain PostgreSQL servers.
>
> > About patches:
>
> Thanks for the review. Attached is a new patchset. I think I addressed
> all of your comments (I almost fully rewrote the docs). I also fixed
> two other issues that I found:
> - updating docs for 3.3 in more places
> - handling the GoAway message in more code paths on the client side
>
>

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