Re: BUG #17245: Index corruption involving deduplicated entries

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Kamigishi Rei <iijima(dot)yun(at)koumakan(dot)jp>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Subject: Re: BUG #17245: Index corruption involving deduplicated entries
Date: 2021-10-29 19:41:47
Message-ID: CAH2-Wzm-qdXxO5esSO1f2LVzPHbJ1zeNREYxnxZN4m4VbH-DBA@mail.gmail.com
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On Fri, Oct 29, 2021 at 12:37 PM Kamigishi Rei <iijima(dot)yun(at)koumakan(dot)jp> wrote:
> I am afraid the severity level of autovacuum was too low for the default
> syslog configuration on FreeBSD. I changed it just now to log *.* to a
> separate file and I can see autovacuum messages for other databases
> appear there now.

Oh well. It's enabled now, and it doesn't seem to be too hard for you
to reproduce the issue, given time. We can just wait a few more days.

> Should I disable the daily vacuum script?

Please don't change anything. The daily VACUUM script is probably
where the problem actually starts.

--
Peter Geoghegan

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