Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vc6zr-002BMf-0Y for pgsql-hackers@arkaria.postgresql.org; Sat, 03 Jan 2026 19:09:07 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vc6zp-00DVSr-1B for pgsql-hackers@arkaria.postgresql.org; Sat, 03 Jan 2026 19:09:06 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vc6zp-00DVSi-0D for pgsql-hackers@lists.postgresql.org; Sat, 03 Jan 2026 19:09:05 +0000 Received: from smtp.outgoing.loopia.se ([93.188.3.37]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vc6zm-004IBe-3A for pgsql-hackers@lists.postgresql.org; Sat, 03 Jan 2026 19:09:05 +0000 Received: from s807.loopia.se (localhost [127.0.0.1]) by s807.loopia.se (Postfix) with ESMTP id CF2B84FEAD6 for ; Sat, 03 Jan 2026 20:09:01 +0100 (CET) Received: from s979.loopia.se (unknown [172.22.191.6]) by s807.loopia.se (Postfix) with ESMTP id BB64A501586; Sat, 03 Jan 2026 20:09:01 +0100 (CET) Received: from s473.loopia.se (unknown [172.22.191.5]) by s979.loopia.se (Postfix) with ESMTP id B88D910BC46E; Sat, 03 Jan 2026 20:09:01 +0100 (CET) X-Virus-Scanned: amavisd-new at amavis.loopia.se X-Spam-Flag: NO X-Spam-Score: -1.2 X-Spam-Level: X-Spam-Status: No, score=-1.2 tagged_above=-999 required=6.2 tests=[ALL_TRUSTED=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1] autolearn=disabled Authentication-Results: s473.loopia.se (amavisd-new); dkim=pass (2048-bit key) header.d=proxel.se Received: from s981.loopia.se ([172.22.191.6]) by s473.loopia.se (s473.loopia.se [172.22.190.13]) (amavisd-new, port 10024) with LMTP id 4PdPgK87QWSF; Sat, 3 Jan 2026 20:09:01 +0100 (CET) X-Loopia-Auth: user X-Loopia-User: andreas@proxel.se X-Loopia-Originating-IP: 147.28.75.140 Received: from [192.168.0.121] (customer-147-28-75-140.stosn.net [147.28.75.140]) (Authenticated sender: andreas@proxel.se) by s981.loopia.se (Postfix) with ESMTPSA id 4E27922B1676; Sat, 03 Jan 2026 20:09:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proxel.se; s=loopiadkim1707418970; t=1767467341; bh=1RRErNYApWAH3SiJxCftTfORjqp6nbjCjRBvj9UeTFg=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=RrhUthnxP/H2rLBpFG+8SU8MoePp+EQgYJqjusDqiXnGNdBslZfKfk3PlfzCRSGKt 7Q4g/EnwmyR6SUUXVI2aDcNLE4M6UCYVZwELnWGUUpPQWjwe98T3rt02GEFJt/MFso tMTC5djWC0IF8A3gZZKuwzXYJDPGdNEMLicesEKT7Z7VVHL4mCsnmg0lK17ZMBh+CY YBS4VLLsanvc3Yp8gDEfYw4Ii3BfsyTKep7z3jzodx4flFjx6fEgKHShn8OzKIA0Y0 qYcdDCUjiQScbyIOg9+gTYmhv/3gjq8WzfPunnuZMgX6hpsjs+xJw8jHjjbtJQcxIB AoDJvQsDYkTgw== Message-ID: <0def7076-40b4-485a-83e7-d0dd1e31a472@proxel.se> Date: Sat, 3 Jan 2026 20:09:00 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Parallelizing startup with many databases To: Jelte Fennema-Nio , Babak Ghadiri Cc: PostgreSQL Hackers References: From: Andreas Karlsson Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 1/3/26 1:58 AM, Jelte Fennema-Nio wrote: > PS It took me way to long to find that setting. I think we should move > it from the error handling docs page to the page with all of the other > recovery settings. https://www.postgresql.org/docs/current/runtime- > config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY docs/current/runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY> I agree that it is currently not in exactly a great location but the issue is that the "Recovery" section is a subsection of the "WAL" section, and syncing the data directory is only loosely related to WAL. One could argue it is related to WAL as in that it is something done before replaying WAL but it is not an obvious location either. Or is it? Andreas