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In-Reply-To: <1D0DD42E-0CFC-4983-ADCD-6FB742F9DAD7@yandex-team.ru>
From: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Date: Wed, 16 Apr 2025 12:15:44 +0530
Message-ID: <CAExHW5tKMPenOkekjMqKYX1ckawfx-q55tD+LjoDYjqY1ETHjg@mail.gmail.com>
Subject: Re: Built-in Raft replication
To: Andrey Borodin <x4mmm@yandex-team.ru>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Konstantin Osipov <kostja.osipov@gmail.com>, 
	Greg Sabino Mullane <htamfids@gmail.com>, Nikolay Samokhvalov <nik@postgres.ai>, 
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
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On Wed, Apr 16, 2025 at 11:57=E2=80=AFAM Andrey Borodin <x4mmm@yandex-team.=
ru> wrote:
>
>
>
> > On 16 Apr 2025, at 11:18, Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>=
 wrote:
> >
> > Having only some of the nodes act as DCS
> > and others purely PostgreSQL nodes will reduce waste of resources.
>
> But typically you need more DCS nodes than PostgreSQL nodes. Did you mean

In a small HA setup this might be true. But not when there are many
replicas. But ...

> =E2=80=9CHaving only some nodes act as PostgreSQL and others purely DCS n=
odes will reduce waste of resources=E2=80=9D?

I mean, whatever the setup may be one shouldn't require to deploy a
big PostgreSQL server just because DCS needs majority.

--=20
Best Wishes,
Ashutosh Bapat