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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: Guidance Needed for PostgreSQL Upgrade from 12 to 15
Date: Mon, 18 Nov 2024 12:11:14 -0500
Message-ID: <CANzqJaA1VyGqPUQaeT9vfxNV1C3rQJSdMHa9xtzx+rJQhkY2gw@mail.gmail.com> (raw)
In-Reply-To: <CAL5GnisA0RJ=Rd5e6yw4nsCB+DtAS1=iquBKTH76MknnTsHrPg@mail.gmail.com>
References: <CAL5GnisA0RJ=Rd5e6yw4nsCB+DtAS1=iquBKTH76MknnTsHrPg@mail.gmail.com>
On Mon, Nov 18, 2024 at 11:08 AM Motog Plus <[email protected]> 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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Subject: Re: Guidance Needed for PostgreSQL Upgrade from 12 to 15
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