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 1pQ90U-0006SK-Bc for pgsql-admin@arkaria.postgresql.org; Thu, 09 Feb 2023 15:38:42 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1pQ90T-0004Gk-4y for pgsql-admin@arkaria.postgresql.org; Thu, 09 Feb 2023 15:38:41 +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 1pQ90S-00049I-MF for pgsql-admin@lists.postgresql.org; Thu, 09 Feb 2023 15:38:40 +0000 Received: from mail-ed1-x535.google.com ([2a00:1450:4864:20::535]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1pQ90Q-0003Vs-IF for pgsql-admin@postgresql.org; Thu, 09 Feb 2023 15:38:39 +0000 Received: by mail-ed1-x535.google.com with SMTP id da9so2392286edb.12 for ; Thu, 09 Feb 2023 07:38:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec-at.20210112.gappssmtp.com; s=20210112; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:to:from:subject:message-id:from:to:cc:subject:date :message-id:reply-to; bh=HK9rl8i+C4e6eppmdsKzYju5B3hM/zCZF9oepX6L3Ko=; b=yTizr+s5Iskp+BtfuD95GMH2BtmlMhhrP932MTRPprjxXV6dBnS9VJQ18ju7ejPkcU J6SJ89r75SwQKYgGpWPQb+sTMTWBAzcsXph0s7FQQWyuXmBMUCYJBY4aH/2viwJia9NI QqkyrXB/ld5Xrc2wT/NEnlCfrXRqScusBQYT32h0F2+nLTF2dZFisC9fY0RPDQpEUxH7 2RUmsg4+FPjyJP5enZMiFMnd5j1p4mw/MvVdUEuj0E/zyaQfC8BFjMoBU0/BB18qYDZW pT1GSnvCjJBepc/rb0vZnBMaZoj7S9OyPqLs0wbc7nyt85+qgxBIfjtrbaDaTgBXXMD6 sSXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:to:from:subject:message-id:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=HK9rl8i+C4e6eppmdsKzYju5B3hM/zCZF9oepX6L3Ko=; b=hBRAEGW7kJxRV+nMH7LWd6XlPDuMlWScZCoeBSOugGwzqI6RfnwDoXhAkxR4E36CaE yTz5Z08VnlLf+ESmUQ4UBImxSsIaQLTge3bC0lXqtlKoNBdyeSnEukAwE7AQSSEUg4Pz 7tg+cqMNvYOfVV4lPVGBJT/Y0iTNPVVVxtmquK9DoPZf1+Tcy9Chl3GMz8GnI6UEz0jy 5N5Fi6ZLbqR1o3LrhLPbK+qPyha2sNHTwRRC8KbAFfB8oB5/K24ZejKcKkHqKp6kOnUK tZQAMFxEPWhpmCzqosGPFz4TwvadD9HCNEiL69MdBy2fTRoJah8Uspq4IqNYB48gLIRb I5Gg== X-Gm-Message-State: AO0yUKVkptkmMBDtm7BLLHQTLKYyXMp4hPJStdnjLgnloLt486Q442Wz e1ILaLPDvwpc+wP669rkuSQxkOqhK7Tum+REjOiBZQ== X-Google-Smtp-Source: AK7set84vodLTFiFls2QFdl+jKtlX+FD8CGNIY0qMs26gw/Uvov4ksMMGLHPWtxTRbZRV1OzmyZ5OA== X-Received: by 2002:a50:d682:0:b0:4aa:da7c:4c59 with SMTP id r2-20020a50d682000000b004aada7c4c59mr9336887edi.8.1675957116898; Thu, 09 Feb 2023 07:38:36 -0800 (PST) Received: from localhost.localdomain (ip5f5aedce.dynamic.kabel-deutschland.de. [95.90.237.206]) by smtp.gmail.com with ESMTPSA id 18-20020a508e12000000b004aacac472f7sm917378edw.27.2023.02.09.07.38.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Feb 2023 07:38:36 -0800 (PST) Message-ID: <29b3b75920c3a2d8ca372b42d52bb9a736f49da3.camel@cybertec.at> Subject: Re: Max I/O traffic From: Laurenz Albe To: Loles , pgsql-admin@postgresql.org Date: Thu, 09 Feb 2023 16:38:35 +0100 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.46.3 (3.46.3-1.fc37) MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Thu, 2023-02-09 at 10:50 +0100, Loles wrote: > How much is the maximum number of I/O calls that PostgreSQL currently sup= ports? I'd say as many as the underlying storage system supports. Yours, Laurenz Albe