| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, "Drouvot, Bertrand" <bdrouvot(at)amazon(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Jason Harvey <jason(at)reddit(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, pgsql-hackers(at)postgresql(dot)org, "Tharakan, Robins" <tharar(at)amazon(dot)com> |
| Subject: | Re: [UNVERIFIED SENDER] Re: pg_upgrade can result in early wraparound on databases with high transaction load |
| Date: | 2022-07-05 19:17:38 |
| Message-ID: | 1997756.1657048658@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> So it's taken us a year to discover the issue :-( Perhaps if we're going
> to say we support upgrades back to 9.0 we should have some testing to be
> assured we don't break it without knowing like this. I'll see if I can
> coax crake to do that - it already tests back to 9.2.
Hmm ... could you first look into why 09878cdd4 broke it? I'd supposed
that that was just detecting situations we must already have dealt with
in order for the pg_upgrade test to work, but crake's not happy.
regards, tom lane
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