Re: Intermittent buildfarm failures on wrasse

From: Andres Freund <andres(at)anarazel(dot)de>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Geoghegan <pg(at)bowt(dot)ie>, David Rowley <dgrowleyml(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Intermittent buildfarm failures on wrasse
Date: 2022-04-15 05:12:05
Message-ID: 20220415051205.6abhlilh6fnjgohr@alap3.anarazel.de
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Hi,

On 2022-04-14 19:45:15 -0700, Noah Misch wrote:
> I suspect the failure is somehow impossible in "check". Yesterday, I cranked
> up the number of locales, so there are now a lot more installcheck. Before
> that, each farm run had one "check" and two "installcheck". Those days saw
> ten installcheck failures, zero check failures.

I notice that the buildfarm appears to run initdb with syncing enabled
("syncing data to disk ... ok" in the initdb steps). Whereas pg_regress
uses --no-sync.

I wonder if that's what makes the difference? Now that you reproduced
it, does it still reproduce with --no-sync added?

Also worth noting that pg_regress doesn't go through pg_ctl...

Greetings,

Andres Freund

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