From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
Cc: | Evgeny Morozov <postgresql3(at)realityexists(dot)net>, PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: "PANIC: could not open critical system index 2662" - twice |
Date: | 2023-05-07 01:21:30 |
Message-ID: | 4029098.1683422490@sss.pgh.pa.us |
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Lists: | pgsql-general |
Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> Did you previously run this same workload on versions < 15 and never
> see any problem? 15 gained a new feature CREATE DATABASE ...
> STRATEGY=WAL_LOG, which is also the default. I wonder if there is a
> bug somewhere near that, though I have no specific idea.
Per the release notes I was just writing ...
<listitem>
<!--
Author: Michael Paquier <michael(at)paquier(dot)xyz>
Branch: master [8a8661828] 2023-02-22 10:14:52 +0900
Branch: REL_15_STABLE [fa5dd460c] 2023-02-22 10:14:56 +0900
-->
<para>
Fix potential corruption of the template (source) database after
<command>CREATE DATABASE</command> with the <literal>STRATEGY
WAL_LOG</literal> option (Nathan Bossart, Ryo Matsumura)
</para>
<para>
Improper buffer handling created a risk that any later modification
of the template's <structname>pg_class</structname> catalog would be
lost.
</para>
</listitem>
The comment about only pg_class being affected is my interpretation
of what the commit message said, but I might have misunderstood.
regards, tom lane
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