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 1lbnJq-0001VN-Ue for pgsql-hackers@arkaria.postgresql.org; Wed, 28 Apr 2021 16:45:46 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1lbnJp-0001sB-NT for pgsql-hackers@arkaria.postgresql.org; Wed, 28 Apr 2021 16:45:45 +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 1lbnJp-0001s4-GV for pgsql-hackers@lists.postgresql.org; Wed, 28 Apr 2021 16:45:45 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lbnJl-00009s-8h for pgsql-hackers@postgresql.org; Wed, 28 Apr 2021 16:45:44 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 13SGjZYT2808046; Wed, 28 Apr 2021 12:45:35 -0400 From: Tom Lane To: Andres Freund cc: Thomas Munro , Stephen Frost , Alvaro Herrera , David Steele , Dmitry Dolgov <9erthalion6@gmail.com>, Jakub Wartak , Tomas Vondra , pgsql-hackers Subject: Re: WIP: WAL prefetch (another approach) In-reply-to: <20210428163245.ff67pb2ii5irr5zr@alap3.anarazel.de> References: <8dd2dcc2-0b6b-a4ab-c1b3-032c0a5ab1c3@enterprisedb.com> <773932.1619022622@sss.pgh.pa.us> <892344.1619054465@sss.pgh.pa.us> <20210428163245.ff67pb2ii5irr5zr@alap3.anarazel.de> Comments: In-reply-to Andres Freund message dated "Wed, 28 Apr 2021 09:32:45 -0700" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2808044.1619628335.1@sss.pgh.pa.us> Date: Wed, 28 Apr 2021 12:45:35 -0400 Message-ID: <2808045.1619628335@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Andres Freund writes: > Tom, any chance you could check if your machine repros the issue before > these commits? Wilco, but it'll likely take a little while to get results ... regards, tom lane