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From: Vu Le (JData - HN) <[email protected]>
To: Bruce Momjian <[email protected]>
Cc: Laurenz Albe <[email protected]>
Cc: [email protected]
Subject: Re: Upgrade & Rollback plan: My customer requests rollback via old-version standby (13 ↔ 17) — need community advice
Date: Sun, 12 Oct 2025 07:37:57 +0700
Message-ID: <CACT9sohKTtS4h10XJL6p2vyo=JN3XAvYXavMGFrZDeedQS4weA@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CACT9sogdbwVqsXQeT-V8GP+GhhQrQcwmCPOCTtaPL35jHg5UXQ@mail.gmail.com>
	<[email protected]>
	<CACT9sojZgGUtpm64dqdAf5pRrBgxxsweMcR7mZFmmnoOjoRApw@mail.gmail.com>
	<[email protected]>
	<[email protected]>

Dear Bruce and Laurenz,

Thank you very much for taking the time to share your valuable advice with me.

The information you provided was highly useful, and I appreciate the
specific guidance.

I intend to dedicate time to research your suggestions further.

I look forward to applying this knowledge. Thank you again for your
time and expertise.

Best regards,
Miles Le | Vu (Mr.)

On Sun, Oct 12, 2025 at 1:50 AM Bruce Momjian <[email protected]> wrote:
>
> On Sat, Oct 11, 2025 at 08:16:42PM +0200, Laurenz Albe wrote:
> > On Sat, 2025-10-11 at 23:02 +0700, Vu Le (JData - HN) wrote:
> > > If possible, could you please share any additional best practices or
> > > important considerations apart from testing the new version in a
> > > staging environment?
> >
> > All I can think of is:
> >
> > - Always keep a backup around.
> >
> > - Read the "Migration to version x" section of the release notes of v14,
> >   v15, v16 and v17 before you test the application.  That will give you
> >   ideas what areas to test particularly well.
> >
> > - Test your administrative procedures too.  For example, v15 removed
> >   the exclusive online file system backup.
>
> Agreed, and this might help for reviewing the release notes:
>
>         https://momjian.us/main/blogs/pgblog/2022.html#June_13_2022
>
> --
>   Bruce Momjian  <[email protected]>        https://momjian.us
>   EDB                                      https://enterprisedb.com
>
>   Do not let urgent matters crowd out time for investment in the future.

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  Subject: Re: Upgrade & Rollback plan: My customer requests rollback via old-version standby (13 ↔ 17) — need community advice
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