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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Geoghegan <pg@bowt.ie>
Cc: Andres Freund <andres@anarazel.de>
Cc: Noah Misch <noah@leadboat.com>
Cc: David Rowley <dgrowleyml@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: Intermittent buildfarm failures on wrasse
Date: Thu, 14 Apr 2022 21:32:27 -0400
Message-ID: <1570894.1649986347@sss.pgh.pa.us> (raw)
In-Reply-To: <CAH2-WznXXkkfE_y9ieaHkEQj31HeMAqJBtJPmDY+EpyVg1QywQ@mail.gmail.com>
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Peter Geoghegan <pg@bowt.ie> writes:
> Are you aware of Andres' commit 02fea8fd? That work prevented exactly
> the same set of symptoms (the same index-only scan create_index
> regressions),

Hm.  I'm starting to get the feeling that the real problem here is
we've "optimized" the system to the point where repeatable results
from VACUUM are impossible :-(

			regards, tom lane





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