Re: pg_checksums?

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От
Bruce Momjian
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Re: pg_checksums?
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ZTwpx1sCIu-4EgRH@momjian.us
Ответ на
Re: pg_checksums? (Daniel Gustafsson)
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pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Daniel Gustafsson <daniel@yesql.se>
Re: pg_checksums? Bruce Momjian <bruce@momjian.us>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? "Peter J. Holzer" <hjp-pgsql@hjp.at>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Ron <ronljohnsonjr@gmail.com>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Ron <ronljohnsonjr@gmail.com>
Re: pg_checksums? "Peter J. Holzer" <hjp-pgsql@hjp.at>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Ron <ronljohnsonjr@gmail.com>
Re: pg_checksums? Alexander Kukushkin <cyberdemn@gmail.com>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Alexander Kukushkin <cyberdemn@gmail.com>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Nikolay Samokhvalov <samokhvalov@gmail.com>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? "Peter J. Holzer" <hjp-pgsql@hjp.at>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? "Peter J. Holzer" <hjp-pgsql@hjp.at>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? Michael Paquier <michael@paquier.xyz>
Re: pg_checksums? "Peter J. Holzer" <hjp-pgsql@hjp.at>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
Re: pg_checksums? b55white <b55white@gmail.com>
Re: pg_checksums? Ron <ronljohnsonjr@gmail.com>
Re: pg_checksums? Paul Förster <paul.foerster@gmail.com>
On Fri, Oct 27, 2023 at 10:45:16PM +0200, Daniel Gustafsson wrote:
> > On 27 Oct 2023, at 20:34, Paul Förster  wrote:
> 
> > a) why isn't it possible to enable checksumming while a database cluster is up?
> 
> It is surprisingly complicated to enable checksums on a live cluster, a patch
> was submitted a while back but ultimately never made it into postgres.  The
> below threads may shine some light on the problem:
> 
> https://www.postgresql.org/message-id/flat/CABUevEx8KWhZE_XkZQpzEkZypZmBp3GbM9W90JLp%3D-7OJWBbcg%40mail.gmail.com
> https://www.postgresql.org/message-id/flat/560A2239-5DE2-4B9C-92BC-878C6822F47C%40yesql.se#10b665b2193445a3d7f24be7917a952c

Yeah, it was a big surprise that this feature was so hard to implement
because we have _no_ infrastructure for having multiple data layouts
active in a live system.  The discussion eventually made that clear.

If we have more features that need this kind of dynamic ability, we
might revisit this feature too.

-- 
  Bruce Momjian          https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.


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