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 1qJMty-0004I4-Gt for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Jul 2023 23:36:14 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1qJMtx-0002Dm-Ag for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Jul 2023 23:36:13 +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 1qJMtw-0002Dd-Vj for pgsql-hackers@lists.postgresql.org; Tue, 11 Jul 2023 23:36:13 +0000 Received: from mail-pf1-x42d.google.com ([2607:f8b0:4864:20::42d]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1qJMtt-003Yst-TS for pgsql-hackers@lists.postgresql.org; Tue, 11 Jul 2023 23:36:12 +0000 Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-66c729f5618so5565785b3a.1 for ; Tue, 11 Jul 2023 16:36:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689118567; x=1691710567; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=HFNpIZTD/EhBXwFvIHO+NXdso3c+ZIBIxkK77VXxjz4=; b=W9K93UDWete6o+S7X9EyYXYBhj5c1nbd7GGXedJQCB+ofMdoGduoc7yfr+EX/QBWUu xRY5cQeUKAyfHnmuVAT7ftEd0DvtOn6Sp8UmGfHUmHW8riGK76QR1nFGqYJITHjcQjnw zvSI8n3+OeIVE9wF6X+HsTZmlyXAObB6WTrb3FWoEtljtnSC0z1p5VtpyYVvx6NF9a/P UdoK1SKmAE2idZisIXNniCW7kAEJ3iFx66HzFpzpty0gHtqJAHjmZ7hPJQftI7LGIB0G IrgrXDF8s/E99ph7GKBqybXOC3+a2p8CPf3P4O1U1duf2jz0p7UiJXAZnHQCpTyGMFFA zLpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689118567; x=1691710567; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=HFNpIZTD/EhBXwFvIHO+NXdso3c+ZIBIxkK77VXxjz4=; b=MO5WohiTcnAViiy0rGPtOd8SCcVplPsOzfweVwz+K6rUPGgH/2vaLCklk+aqxKV019 AOQYyToOgY6hKJPbQwClV0SnV6KKG8HB4CWboovW8GuAbG6Os57cKLyQaZzqfTNXn7nn QI09zOF8nYxgs5OmRIlQuTN7WbZnrB7RW/6+3FjozCqipuCxieWlShH2V2STUy+sNqwT hH+4EHJCZkUjualBABtmMgk4skc6nRR198lZ1qxcX4HvnhFp3Co6hgKtgEKgJTJeQMTK RntqmPaL0l9xc3frB6Ci7pSVX1wLBQGtoEq+MghMcc/sskHwGCP3kLm7HjhH4f5ZEK52 QWCw== X-Gm-Message-State: ABy/qLZcWmW3gPR9wCUoP4gJchc7VhDbbug+vx/fMaEK9mGWNmFxBbS3 4Dbk/RBs9mO70DUqwz3wuV2NoXASbQQ= X-Google-Smtp-Source: APBJJlF4qlz9iKBgkFxT3v7orJIUElGsKak2ESEpMCmgZ3TMBbFBPIR822f9gu4H05mhM9ItTBc6ZQ== X-Received: by 2002:a17:903:24d:b0:1b7:f73d:524 with SMTP id j13-20020a170903024d00b001b7f73d0524mr21030661plh.43.1689118566609; Tue, 11 Jul 2023 16:36:06 -0700 (PDT) Received: from nathanxps13 ([50.47.162.83]) by smtp.gmail.com with ESMTPSA id j12-20020a170902758c00b001b9d9225b78sm2478163pll.102.2023.07.11.16.36.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Jul 2023 16:36:06 -0700 (PDT) Date: Tue, 11 Jul 2023 16:36:06 -0700 From: Nathan Bossart To: Daniel Gustafsson Cc: PostgreSQL Hackers Subject: Re: Reducing connection overhead in pg_upgrade compat check phase Message-ID: <20230711233606.GA776188@nathanxps13> References: <235E7E38-6DCA-4E5F-812C-7F3033FC800A@yesql.se> <89A64E5D-D3DC-4806-B038-CD493F5F5510@yesql.se> <20230313182147.GA294021@nathanxps13> <20230704190839.GA3468243@nathanxps13> <9C9D8A09-9794-46DD-8074-8961924B99F1@yesql.se> <20230708214354.GA4044380@nathanxps13> <20230710230907.GA481155@nathanxps13> <1FE28680-333E-433C-9809-95662037B0AA@yesql.se> <22CDC82E-8959-4D92-B1B0-069558011F1C@yesql.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <22CDC82E-8959-4D92-B1B0-069558011F1C@yesql.se> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Wed, Jul 12, 2023 at 12:43:14AM +0200, Daniel Gustafsson wrote: > I did have coffee before now, but only found time to actually address this now > so here is a v7 with just that change and a fresh rebase. Thanks. I think the patch is in decent shape. -- Nathan Bossart Amazon Web Services: https://aws.amazon.com