Re: Postgresql HA cluster

From: Laura Smith <n5d9xq3ti233xiyif2vp(at)protonmail(dot)ch>
To: "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Postgresql HA cluster
Date: 2023-10-13 19:21:46
Message-ID: vpcXDAHFD1W7p676FE7rDkNf1qbvanrr7fAiULGOG0WmbUPQ2ZrlnOxgO7QTG8NB6m9fuGuP8o_Mm-9eduG7xjxeotEM-6KC2d0E9Mzxfk8=@protonmail.ch
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------- Original Message -------
On Friday, October 13th, 2023 at 14:10, Jehan-Guillaume de Rorthais <jgdr(at)dalibo(dot)com> wrote:

> But really, double check first why a simple primary-standby architecture doesn't
> meet your needs. The simpler the architecture is, the better. Even from the
> application point of view.
>

From my perspective I do wonder why Postgres doesn't have an equivalent to MySQL Group Replication.

Although you can run MySQL GR as multi-primary, most people run it as primary-standby.

However the difference with Postgres is that MySQL Group does leader election. Whilst Postgres failover/failback is a highly manual affair.

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