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From: Hannu Krosing <[email protected]>
To: Tom Lane <[email protected]>
Cc: Heikki Linnakangas <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: Let's make PostgreSQL multi-threaded
Date: Thu, 8 Jun 2023 19:07:48 +0200
Message-ID: <CAMT0RQSVMhk3FVDED8GxrKM35dj3z3Zx6TrSV4cZRTrof3xxdg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

I discovered this thread from a Twitter post "PostgreSQL will finally
be rewritten in Rust"  :)

On Mon, Jun 5, 2023 at 5:18 PM Tom Lane <[email protected]> wrote:
>
> Heikki Linnakangas <[email protected]> writes:
> > I spoke with some folks at PGCon about making PostgreSQL multi-threaded,
> > so that the whole server runs in a single process, with multiple
> > threads. It has been discussed many times in the past, last thread on
> > pgsql-hackers was back in 2017 when Konstantin made some experiments [0].
>
> > I feel that there is now pretty strong consensus that it would be a good
> > thing, more so than before. Lots of work to get there, and lots of
> > details to be hashed out, but no objections to the idea at a high level.
>
> > The purpose of this email is to make that silent consensus explicit. If
> > you have objections to switching from the current multi-process
> > architecture to a single-process, multi-threaded architecture, please
> > speak up.
>
> For the record, I think this will be a disaster.  There is far too much
> code that will get broken, largely silently, and much of it is not
> under our control.
>
>                         regards, tom lane
>
>

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