From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Michael Paquier <michael@paquier.xyz>
Cc: Andres Freund <andres@anarazel.de>
Cc: Andrey Borodin <x4mmm@yandex-team.ru>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Peter Geoghegan <pg@bowt.ie>
Cc: Петър Славов <pet.slavov@gmail.com>
Cc: PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Subject: Re: BUG #17485: Records missing from Primary Key index when doing REINDEX INDEX CONCURRENTLY
Date: Mon, 30 May 2022 16:11:39 +0200
Message-ID: <202205301411.ltoz4mf6nfmq@alvherre.pgsql> (raw)
In-Reply-To: <YpRqEBsFui+lzGj9@paquier.xyz>
On 2022-May-30, Michael Paquier wrote:
> > Was there anything else running on the system? c98763bf51bf also needs to
> > reverted, of course.
>
> Yeah, I agree that we'd better revert c98763bf for the time being.
> And f9900df on top of that?
Yeah, both commits need to be reverted, since the latter depends
critically on the former. I'll get the revert pushed soon.
> I was trying to think of ways to get an isolation test out of that,
> but that proves to be sort of tricky as we need to manipulate the HOT
> chains after the validation phase has begun with the snapshot from the
> build phase. It is easy to block before the validation transaction
> starts, like in WaitForLockersMultiple() beforehand, though.
Hmm. I suppose for the next try of implementing a feature like this,
we'll definitely want to incorporate some tests that can catch problems
of this sort. But I don't think we need to come up with something right
now.
--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
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To: pgsql-bugs@postgresql.org
Cc: alvherre@alvh.no-ip.org, michael@paquier.xyz, andres@anarazel.de, x4mmm@yandex-team.ru, robertmhaas@gmail.com, pg@bowt.ie, pet.slavov@gmail.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17485: Records missing from Primary Key index when doing REINDEX INDEX CONCURRENTLY
In-Reply-To: <202205301411.ltoz4mf6nfmq@alvherre.pgsql>
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