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From: Nathan Bossart <nathandbossart@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Matthias van de Meent <boekewurm+postgres@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: cleanup patches for incremental backup
Date: Wed, 24 Jan 2024 11:08:46 -0600
Message-ID: <20240124170846.GA2643050@nathanxps13> (raw)
In-Reply-To: <CA+TgmoaQHtGNFczJzSO5sMobUpuikSHphtFPZpdLmjzwdmM1DQ@mail.gmail.com>
References: <212b0987-83e5-e2ae-c5e8-b8170fdaf3a0@gmail.com>
	<CA+Tgmob4wzU4QE6jz_-Bk4R7dYzKJ0SVS5oi3UpfqjnNopAGvQ@mail.gmail.com>
	<CAEze2Who3iG9QXbV9gbWp3WvuwSh5D65Dzv9ktZEyxpRb_QvkQ@mail.gmail.com>
	<CA+TgmoZd=pYk0owL4W2f4to9qFjwq_NmGJzXg44pEcMxuYriCA@mail.gmail.com>
	<CAEze2WizrxyWg+xeVMuyVqfZc-8U1myy1V4H3zwV-7xXztVf2w@mail.gmail.com>
	<CA+TgmoadPUdt8ZJ_Zem-T2_qZ5OTXVdxH6wGtnaV-TunN+LOHQ@mail.gmail.com>
	<CAEze2Wjbf==0=v+Ck8B2vcCeqD_3_SfDV3HtpEQiP-r3e2fsSA@mail.gmail.com>
	<CA+TgmobTfzrnBesboXutZmrABdP79mO2HhXupY5YOdZ9VLWFog@mail.gmail.com>
	<CAEze2WjhdVCqEe_qqEok3NA6DwUdOGSBjAxzmYdAqiaaH1uRcg@mail.gmail.com>
	<CA+TgmoaQHtGNFczJzSO5sMobUpuikSHphtFPZpdLmjzwdmM1DQ@mail.gmail.com>

I'm seeing some recent buildfarm failures for pg_walsummary:

	https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=sungazer&dt=2024-01-14%2006%3A21%3A58
	https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=idiacanthus&dt=2024-01-17%2021%3A10%3A36
	https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=serinus&dt=2024-01-20%2018%3A58%3A49
	https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=taipan&dt=2024-01-23%2002%3A46%3A57
	https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=serinus&dt=2024-01-23%2020%3A23%3A36

The signature looks nearly identical in each:

	#   Failed test 'WAL summary file exists'
	#   at t/002_blocks.pl line 79.

	#   Failed test 'stdout shows block 0 modified'
	#   at t/002_blocks.pl line 85.
	#                   ''
	#     doesn't match '(?^m:FORK main: block 0$)'

I haven't been able to reproduce the issue on my machine, and I haven't
figured out precisely what is happening yet, but I wanted to make sure
there is awareness.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com





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  Cc: nathandbossart@gmail.com, robertmhaas@gmail.com, boekewurm+postgres@gmail.com, pgsql-hackers@lists.postgresql.org
  Subject: Re: cleanup patches for incremental backup
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