From: | Ron Johnson <ronljohnsonjr(at)gmail(dot)com> |
---|---|
To: | Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Guidance Needed for PostgreSQL Upgrade from 12 to 15 |
Date: | 2024-11-18 17:11:14 |
Message-ID: | CANzqJaA1VyGqPUQaeT9vfxNV1C3rQJSdMHa9xtzx+rJQhkY2gw@mail.gmail.com |
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Lists: | pgsql-admin |
On Mon, Nov 18, 2024 at 11:08 AM Motog Plus <mplus7535(at)gmail(dot)com> wrote:
> Dear Team,
>
> We are in the process of upgrading our PostgreSQL database from version 12
> to version 15. I would greatly appreciate your advice on the following:
>
> 1. Would it be recommended to use the --link option with the pg_upgrade
> command, from disk space point of view?
>
Yes.
> Are there any potential downsides to consider?
>
Very much: it's a one-way journey. No rolling back if something goes wrong!
> 2. Do you have any suggestions or best practices for performing an
> efficient upgrade in a replication setup (streaming replication) for both
> the primary and standby servers?
>
Streaming replication is not an upgrade method. Logical replication is
absolutely a valid method of upgrading PG on one server to PG on a
different server.
--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!
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