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From: legrand legrand <[email protected]>
To: Laurenz Albe <[email protected]>
To: [email protected] <[email protected]>
Subject: =?Windows-1252?Q?Re=A0:_Fast_switchover?=
Date: Tue, 9 Sep 2025 05:07:26 +0000
Message-ID: <AS1P190MB1701268947A47298EDC6CB07900FA@AS1P190MB1701.EURP190.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <[email protected]>
References: <AS1P190MB17014CF63D3EDDB0F4F7B66B900CA@AS1P190MB1701.EURP190.PROD.OUTLOOK.COM>
	<[email protected]>

Hi Laurenz,
Thank you for your answer

>> For some projects we need a fast manual switchover to address Near Zero downtime maintenance

I forgot to say that application would not be stopped during maintenance…

>There is no need for synchronous replication; you cannot lose data with a switchover,
>if you do it right:

Ok

>> May logical replication ( bi-directional, with one instance RW and the other RO) be a better solution ?

> I'd say no.

Really ?

>> what could we expect (in term of downtime in both worlds) ?

> Usually seconds, so plan for ten minutes.

Brrr, I was thînking about a more reliable process.

Regards
PAscal

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