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 1nSYOE-0008Od-RN for pgsql-hackers@arkaria.postgresql.org; Fri, 11 Mar 2022 06:04:39 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1nSYNF-0007IW-BO for pgsql-hackers@arkaria.postgresql.org; Fri, 11 Mar 2022 06:03:37 +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 1nSYNE-0007IH-AB for pgsql-hackers@lists.postgresql.org; Fri, 11 Mar 2022 06:03:37 +0000 Received: from wout3-smtp.messagingengine.com ([64.147.123.19]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nSYN6-0001se-Kf for pgsql-hackers@postgresql.org; Fri, 11 Mar 2022 06:03:35 +0000 Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.west.internal (Postfix) with ESMTP id 00AC7320077A; Fri, 11 Mar 2022 01:03:23 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Fri, 11 Mar 2022 01:03:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= cc:cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm1; bh=UqVQ21qmtSHbb8 0T2o7XVjYFltvdzo4K5rhYROlvClM=; b=HuAeyX7AxBTP+jbfZ2MqSADh1qS3nU F2/ckGnYnkjupLX+4J5zWZdTKFjCGZLmPVFq98HJorM/sdrmLPhXFcpCg7bTxQrB qudDWLJhYFHG4hsQrhzbXiLZK7kzbdqHPzO7T11GET1Vb2YlcWT09xklmbXF+C13 wuchhINQU0iv+RbYLqoF3e5LzX/25MzeXtGqjEndJ0mKgCfxZmGjmCTUCj0TUUFc veupPWMPrC+o+2chcaeo7eebCVGj6DNch0REFJa/yjWA09tP66xttMC0W+R+Miol V0Z4Gd5kk/rnpc5sEYzLMgAUB1HFu/KzpzXTqr8cM2C2kqZmihHOC3Bg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; bh=UqVQ21qmtSHbb80T2o7XVjYFltvdzo4K5rhYROlvC lM=; b=iOeF0BORS5FhtASYfXd+GtGM6QqFCf2M+icIg1NSNtvB52COV1eF+iZKA EmrWDX7D3PnwgMsxKOmxdHJMj664Prt2fvQCPACvGixLb8yslFbsf2WqYG4/opYA sd5fL5/PWUP/9vvu++QbANKJ9pAazqlTa/JLJjh7Q7+Vc3dFwbvB6oaxEfYwCmH4 7BH5RO+/I/4pKu4nSPMOfl2MIIq9cqHqRjEaKzkYjE6B6fjKS02mIpOLuQeplNN9 KA2W32pUk03D0OqDawe0Z2D9Fo2qeIzmB1/PFQ9iELxdSF4K8nVcYHP9dPZBZYQt dTszDsKqQa7saiQZ1COR5xtGuySMA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddruddvuddgkeekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffufggjfhfkgggtgfesthhqmhdttderjeenucfhrhhomheptehnughr vghsucfhrhgvuhhnugcuoegrnhgurhgvshesrghnrghrrgiivghlrdguvgeqnecuggftrf grthhtvghrnhepfedttdfhlefhfeehheekjeegheefhedvhffgtdeivedugeevkeelfefg vdeghedvnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomh eprghnughrvghssegrnhgrrhgriigvlhdruggv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 11 Mar 2022 01:03:22 -0500 (EST) Date: Thu, 10 Mar 2022 22:03:18 -0800 From: Andres Freund To: Thomas Munro , Julien Rouhaud CC: Ashutosh Sharma , Daniel Gustafsson , Stephen Frost , Alvaro Herrera , David Steele , Dmitry Dolgov <9erthalion6@gmail.com>, Jakub Wartak , Tom Lane , Tomas Vondra , Tomas Vondra , pgsql-hackers Subject: Re: WIP: WAL prefetch (another approach) User-Agent: K-9 Mail for Android In-Reply-To: References: <5B6070FF-5869-4A84-88BC-2D04EDCDB858@yesql.se> <20220309064633.woyf53w3odnhltah@jrouhaud> Message-ID: <6DC3D030-7ED4-4968-B8F4-A196C757E4B1@anarazel.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On March 10, 2022 9:31:13 PM PST, Thomas Munro wrote: > The other thing I need to change is that I should turn on >recovery_prefetch for platforms that support it (ie Linux and maybe >NetBSD only for now), in the tests=2E =20 Could a setting of "try" make sense? --=20 Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E