Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oZ1si-0002qi-JD for pgsql-hackers@arkaria.postgresql.org; Fri, 16 Sep 2022 03:19:08 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1oZ1sh-00006P-BO for pgsql-hackers@arkaria.postgresql.org; Fri, 16 Sep 2022 03:19:07 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oZ1sg-00006F-V7 for pgsql-hackers@lists.postgresql.org; Fri, 16 Sep 2022 03:19:07 +0000 Received: from mail-io1-xd31.google.com ([2607:f8b0:4864:20::d31]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1oZ1sd-0008Jl-HT for pgsql-hackers@lists.postgresql.org; Fri, 16 Sep 2022 03:19:05 +0000 Received: by mail-io1-xd31.google.com with SMTP id b23so16362164iof.2 for ; Thu, 15 Sep 2022 20:19:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telsasoft-com.20210112.gappssmtp.com; s=20210112; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:from:to:cc:subject:date; bh=5SBfgWQ/t5thIqmP6UnmHARwY4QssmyPIKgxXQQ5JT4=; b=MGCWC2Sckt0GObiHvROLLqDqNGz6kASazUpK1LtFxHvkcWMo5zpH/Tod/jncihyQC4 PIZqqRPX40F4jLDYY50gt4itSff80PQiixJcoLB4ULEhQjrCbbZMFJVbr3ZMBikDGVTV OJ58U4i196nFIBj1w4/VtcrdHq5Ox7hjljRUI6vbZmAklbiIiGKTUQsHSPIUSQL0sPEL hYfjdLQhRbRkOQWj0BMcAZQeHjAF/L9E59+g/txNT154PXhkNFXwpzu1WZ38Cvr/XVPY I9f+aNvRveLB/ej+j7YyW24zXYmKcrlLZ6k+tdOSrSbYN0N9CdevcVQLeImoEEbgf1af h8KA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date; bh=5SBfgWQ/t5thIqmP6UnmHARwY4QssmyPIKgxXQQ5JT4=; b=iHBfNqgdq5zdEFHh1YN/v2PF8wxteWCJ+vPfx1qHGkBsc9SV7n+eWbYHr+JKhQLP08 dEiyeNn451lmcGFyFvEF2OQTL+isB5pzcx5zcXf+Aeq5NR3iASrSEFYlG2thBMsbEM68 QiUNwGCqpREFWbEMcY/arlhKz5MREXG6tKW3FD8P3ShnjxC42y5QoM7obXLt2av8FZ/L 2d8LZr0ReHDX/hguDJSrTXz9+23qAA0jsRfWJx2oolK8CQRsAv5tqIPdQae4TalmWoNo H24q1bRJ7C9BqIJmCwutCp0oI8yBzbOU+TmtUw8SdqPCvTxotG03ijKRke8f8mEx+Vl1 b2ew== X-Gm-Message-State: ACrzQf25v0wiFyUU1f7natYskcpPTo0nIFE29ep8cAu6G8q0Rq6rajA3 LO3EPLK5psICGEj1gezH3ERVyw== X-Google-Smtp-Source: AMsMyM6R/Eqp1r2WPqYwsbvMjQb0tktnimRyjMowsK0rHDoxhHULK+6uU6GSMHHLbI4UUFuxsj3AjQ== X-Received: by 2002:a05:6638:d06:b0:350:a613:f7ec with SMTP id q6-20020a0566380d0600b00350a613f7ecmr1496130jaj.169.1663298342454; Thu, 15 Sep 2022 20:19:02 -0700 (PDT) Received: from pryzbyj.telsasoft (charmander.telsasoft.com. [50.244.222.1]) by smtp.gmail.com with ESMTPSA id p18-20020a056638217200b0034d160b7bfesm1815792jak.89.2022.09.15.20.19.01 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Sep 2022 20:19:02 -0700 (PDT) Received: by pryzbyj.telsasoft (Postfix, from userid 1000) id 3EB75800C98; Thu, 15 Sep 2022 22:19:01 -0500 (CDT) Date: Thu, 15 Sep 2022 22:19:01 -0500 From: Justin Pryzby To: Michael Paquier Cc: Thomas Munro , Robert Haas , Aleksander Alekseev , pgsql-hackers@lists.postgresql.org Subject: Re: Background writer and checkpointer in crash recovery Message-ID: <20220916031901.GM31833@telsasoft.com> References: <162763450191.31964.15384962987091520173.pgcf@coridan.postgresql.org> <20220912005443.GB31833@telsasoft.com> <20220913021311.GN31833@telsasoft.com> <20220913223954.GU31833@telsasoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220913223954.GU31833@telsasoft.com> User-Agent: Mutt/1.9.4 (2018-02-28) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk I don't know that this warrants an Opened Item, but I think some fix ought to be applied to v15, whether that happens this week or next month.