Re: pg_upgrade test failure

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Justin Pryzby <pryzby(at)telsasoft(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>
Subject: Re: pg_upgrade test failure
Date: 2023-02-06 22:08:50
Message-ID: CA+hUKGJR1=DEc368QeLh6enLcMFnf3=VDzJWck0tH=iLaO=HRg@mail.gmail.com
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On Tue, Feb 7, 2023 at 11:03 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> On Tue, Feb 7, 2023 at 10:57 AM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > On February 6, 2023 1:51:20 PM PST, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> > >Next up: the new "running" tests, spuriously failing around 8.8% of CI
> > >builds on FreeBSD. I'll go and ping that thread...
> >
> > Is that rate unchanged? I thought I fixed the main issue last week?
>
> Unfortunately my cfbot database only holds a week's history. What I
> see is that there were 1254 FreeBSD tasks run in that window, of which
> 163 failed, and (more interestingly) 111 of those failures succeeded
> on every other platform. And clicking on a few on cfbot's page
> reveals that it's the new running stuff, and I'm still trying to find
> the interesting logs...

Ah, that number might include some other problems, including in
subscription (#2900). That's the problem with flapping tests, you get
desensitised and stop looking closely and miss things...

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