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 1npMgZ-0001A7-RI for pgsql-hackers@arkaria.postgresql.org; Fri, 13 May 2022 04:13:51 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1npMgY-0003qZ-7E for pgsql-hackers@arkaria.postgresql.org; Fri, 13 May 2022 04:13:50 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1npMgX-0003qQ-QC for pgsql-hackers@lists.postgresql.org; Fri, 13 May 2022 04:13:49 +0000 Received: from mail-pg1-x531.google.com ([2607:f8b0:4864:20::531]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1npMgV-0003G0-Ju for pgsql-hackers@postgresql.org; Fri, 13 May 2022 04:13:49 +0000 Received: by mail-pg1-x531.google.com with SMTP id 31so6397287pgp.8 for ; Thu, 12 May 2022 21:13:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=j-davis-com.20210112.gappssmtp.com; s=20210112; h=message-id:subject:from:to:cc:date:in-reply-to:references :mime-version:content-transfer-encoding; bh=z1aXIwnnRkAI1v7SQ7HIkq9HzKRYBokhfg06dzPrAuc=; b=f3ryJee2Y9Aq/5S//ErKBkteCXXhnixIuvW1gkyuRESSssgaaNEgdOtDQRVXd6MxXC QVW5XKaHK8NF8AwQ8YFjyeP9C1ubIWY1HwfEqticutVEcDcdUtBmRxFFCUPPJK3/Gq+i 2wr8UcC+qdF6OL65G64qAkXWJ6czeR+oF6MZfEeKm7k8KnQM5W2ui+kJzH+IuPacOklO QkhTF9/GhMGTm2WnWIwJafEp4ICPtKD7s0BHIKqC9gd+bQqBOGY37jGQFNi2lVMUSouk RoNCczCDLP3FVHMAaCxq6J/csR9NeDNhcFuYGGCQaYWzuX0v58CgsiIIwNca1uJVBY5q sFdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=z1aXIwnnRkAI1v7SQ7HIkq9HzKRYBokhfg06dzPrAuc=; b=DjThCahg5U8F1o8gnLwVkGenfrOCoiNda8S5izDFCnM0V/1LNW9Bc/f2doIx5x+wPK bE+q7mahg5PCppVCMwS+I22z/AOjSBE3em+NbglZ6cBycNRfLTvDLZvMTfykrob3bogH y8Z8rbRoXhWqEyTxX2yjz7js0s7fHHGWnqLOxxEf7W5FogOMh6N3IfXPqpxD5uAtbYf9 nyIetb+OMn6gvyFmTWb7mnYvhVJ7359z0RkuoKY2NVAsG5HGJM0jiLaSjeJpiG5VEU6v oZNeP+oR+8+NgJUG6lY7wxF01Rjdgx32kkVZxbZiyMq6rBZ5hpgTOdMhatVy21hpt0Bx 4Y1g== X-Gm-Message-State: AOAM530FyZfrVk8gXSkaTKGSdZDuYv3HzR0BKBDGzwMyk7PmqkUEuY7H /VXkxG87B4DQ3dbXwEHtlO6KeQ== X-Google-Smtp-Source: ABdhPJyZW3X1B4zWwAdbifCrY7aZGYa0KyN2J8nzssjVwweUfUF/pLkIAKAi1NmhI0zGDn5htGZCOw== X-Received: by 2002:a63:894a:0:b0:3ab:23c7:33ff with SMTP id v71-20020a63894a000000b003ab23c733ffmr2383587pgd.245.1652415225301; Thu, 12 May 2022 21:13:45 -0700 (PDT) Received: from jdavis.lan (c-73-231-146-4.hsd1.ca.comcast.net. [73.231.146.4]) by smtp.gmail.com with ESMTPSA id j189-20020a62c5c6000000b0050dc7628136sm655813pfg.16.2022.05.12.21.13.44 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 12 May 2022 21:13:44 -0700 (PDT) Message-ID: Subject: Re: Comments on Custom RMGRs From: Jeff Davis To: Simon Riggs , Andres Freund Cc: PostgreSQL Hackers Date: Thu, 12 May 2022 21:13:43 -0700 In-Reply-To: References: <20220512034010.4oqa76pasrulkw32@alap3.anarazel.de> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Thu, 2022-05-12 at 22:26 +0100, Simon Riggs wrote: > I see multiple uses for the rm_checkpoint() point proposed and I've > been asked multiple times for a checkpoint hook. Can you elaborate and/or link to a discussion? Regards, Jeff Davis