From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Re: PANIC: invalid index offnum: 186 when processing BRIN indexes in VACUUM |
Date: | 2017-10-30 20:03:39 |
Message-ID: | 24725.1509393819@sss.pgh.pa.us |
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Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
> b1328d78f is close enough, but per what I see that's actually not
> true. I have been able to reproduce the problem, which shows up within
> a window of 2-4 minutes. Still sometimes it can take way longer, and I
> spotted one test where it took 15 minutes to show up... So, bisecting
> with a test that looks for core files for 20 minutes, I am seeing that
> the following commit is actually at fault:
> commit 24992c6db9fd40f342db1f22747ec9e56483796d
> Author: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
> Date: Fri Sep 9 19:00:59 2016 -0400
> Rewrite PageIndexDeleteNoCompact into a form that only deletes 1 tuple.
[ scratches head ... ] Not sure how that could've introduced any
problems? Will look.
regards, tom lane
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