Re: Postgres switchover and switchback

From: Ron <ronljohnsonjr(at)gmail(dot)com>
To: pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: Postgres switchover and switchback
Date: 2022-05-20 05:05:13
Message-ID: 46af6991-03bf-3843-2640-46a297c9c409@gmail.com
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On 5/18/22 09:23, David Jordan wrote:
>
> Hi, folks;
>
> I’m a former Oracle database administrator of many years who is new to
> PostgreSQL.  I’m in the process of testing PG v12.7 hot
> streaming standby’s in async mode, and specifically in the areas
> of switchover and switchback.
>

Async mode, huh?

In SQL Server, at least, you must be in synchronous replication mode before
doing a (manual or automatic) non-crash failover, to guarantee that all the
transaction log data has reached the replica before the switchover.

--
Angular momentum makes the world go 'round.

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