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 4.94.2) (envelope-from ) id 1tVJPX-007EOq-Di for pgsql-hackers@arkaria.postgresql.org; Tue, 07 Jan 2025 23:54:59 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1tVJPW-00A4Z6-Ov for pgsql-hackers@arkaria.postgresql.org; Tue, 07 Jan 2025 23:54:58 +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 4.94.2) (envelope-from ) id 1tVJPW-00A4Yv-EW for pgsql-hackers@lists.postgresql.org; Tue, 07 Jan 2025 23:54:58 +0000 Received: from fout-a4-smtp.messagingengine.com ([103.168.172.147]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tVJPT-000Qxj-03 for pgsql-hackers@lists.postgresql.org; Tue, 07 Jan 2025 23:54:57 +0000 Received: from phl-compute-09.internal (phl-compute-09.phl.internal [10.202.2.49]) by mailfout.phl.internal (Postfix) with ESMTP id 7F84B13801AB; Tue, 7 Jan 2025 18:54:54 -0500 (EST) Received: from phl-mailfrontend-01 ([10.202.2.162]) by phl-compute-09.internal (MEProxy); Tue, 07 Jan 2025 18:54:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paquier.xyz; h= cc:cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm2; t=1736294094; x=1736380494; bh=NoeCcgvolF VB91DjB7fS+JBruXw2FSbt/ttjLrzqjuc=; b=Zweex+LiZSk0CVWk2SiXDBKGRR YQ3WhvdsE3T0vZsqb7GSSJSiHPW6WJdO176lW7upMnb6hndE8hITPM/22DaNlVhz ra/hfpdSUB7FPESPOerjrW7h/gEryRdrXYYMw7Yzw2M3B1lgrk5b1Zd6fJM4DaMC uBlsocW2Ph/ls2xKQA/r6UTilDmZhSJLm3hc3KOBPP33lvwZe9CfdvfzsAuuqHG4 1dXzsaW58DMCiFWv5fyV6CMrBQryWp5lubZCYfPG/0JANWKk/Jx0Rx0DGFgQR3gu MkeU425QqCosrUNcJy1o39So+xEPXdR0KmkXlpMCdKvfGz7scrNN6747VBbA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t= 1736294094; x=1736380494; bh=NoeCcgvolFVB91DjB7fS+JBruXw2FSbt/tt jLrzqjuc=; b=tiqHiKUHM+9YNt2vk4o2tKBdDEbRBuu7SIl48IPCbzQjJmDXpDX nfoohJ/JvBlVmd7UuMZQUQJqu3wLykIX6QBrqNdMJanJLWnx/zFxcgItb9RxD0tH VDIQB3ssfh1juXUgFRdDSZfnyl2p8Vry0B0kLCm30gokmxbs4VuJK3pM6CNsKnrv WACmsqwd9BM6hw6p0FUs8yYNCiUinjB7AO8MTbo4JUV5dxb/v5Ke2E0gNYhDcB/J JonE8JgvdT8QhRj/c4XQvkKeAE6964q8feMYkWVqFGjRDpwjeeV+nTUnUE9N/8rc XGA2GG0saptxJOX5CqY7Z4wyXzK9N1RSASg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefuddrudegfedgudehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnh htshculddquddttddmnegfrhhlucfvnfffucdlfeehmdenucfjughrpeffhffvvefukfhf gggtuggjsehgtderredttddvnecuhfhrohhmpefoihgthhgrvghlucfrrghquhhivghruc eomhhitghhrggvlhesphgrqhhuihgvrhdrgiihiieqnecuggftrfgrthhtvghrnhepgeff jeevgfevuddvjedtvddtieejheduueelvddufedtgfefjedvkeevkeeivddvnecuffhomh grihhnpehpohhsthhgrhgvshhqlhdrohhrghenucevlhhushhtvghrufhiiigvpedtnecu rfgrrhgrmhepmhgrihhlfhhrohhmpehmihgthhgrvghlsehprghquhhivghrrdighiiipd hnsggprhgtphhtthhopeehpdhmohguvgepshhmthhpohhuthdprhgtphhtthhopegsvghr thhrrghnuggurhhouhhvohhtrdhpghesghhmrghilhdrtghomhdprhgtphhtthhopegshi grvhhuiiekudesghhmrghilhdrtghomhdprhgtphhtthhopegrlhhvhhgvrhhrvgesrghl vhhhrdhnohdqihhprdhorhhgpdhrtghpthhtohephhhorhhikhihohhtrgdrnhhtthesgh hmrghilhdrtghomhdprhgtphhtthhopehpghhsqhhlqdhhrggtkhgvrhhssehlihhsthhs rdhpohhsthhgrhgvshhqlhdrohhrgh X-ME-Proxy: Feedback-ID: i0fe9450f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 7 Jan 2025 18:54:52 -0500 (EST) Date: Wed, 8 Jan 2025 08:54:40 +0900 From: Michael Paquier To: Bertrand Drouvot Cc: Nazir Bilal Yavuz , Alvaro Herrera , Kyotaro Horiguchi , pgsql-hackers@lists.postgresql.org Subject: Re: per backend I/O statistics Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AIHMUjNWm8ShD+l3" Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --AIHMUjNWm8ShD+l3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jan 07, 2025 at 08:54:59AM +0000, Bertrand Drouvot wrote: > A dedicated thread and a patch have been created, see [1]. >=20 > [1]: https://www.postgresql.org/message-id/flat/Z3zqc4o09dM/Ezyz%40ip-10-= 97-1-34.eu-west-3.compute.internal Hmm. I can see that you have some refactoring pieces in the lines of some stuff I wanted to structure for the sake of this thread, but I have discarded them to simplify the final result at the end and it did not change much. Will look at all that on this other thread, no need to start a separate thread just for the sake of the refactoring bits. -- Michael --AIHMUjNWm8ShD+l3 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEG72nH6vTowiyblFKnvQgOdbyQH0FAmd9vsAACgkQnvQgOdby QH1+RRAAjqgTG3Bsl8iQCddD/eEXWOAggv1jgtwWEhBLLwMnACOVNzruwfykv7If giMjjvJiN3hm3Im1Lv3sjJIgLwTUpomaE55p/OiDx1mYwjUw7C/BYsR0yYV6La0z 8JKW6ZUixUfKIPo5bbKI/YIqLTDkDRH5S/N6Q/BYGFquadqUpNXHeWP3bzIRMACr iKuT0Rk0o0YnRggpDfGkIn1V0SGa3eVBPVr9miixGNYE99nVQXkK1G4vMHn6K0/l KB1AM5NyWAESr5IxdifT9ccWOBF31WczPEUE91XKkd/ZhRzLbQudZgcmPFeQABSp jbEKawjKmGOgnfYnQn4QBQI/8SkQxHc+u5zIn8qA6sVedMXak6xrQj0o+klGmGnA KojagLgO9udse9ZbVH/uOe8k3QDUjgRpRbeHZYeZesl+14OPXdYg0LrCuuNSmsWv yRqcJvaI7/YrsNAOZH9LD99YWNHEVvAgDUissNt/eWZJZetbE7+PrjuRIbovlIqD fCBFKOUjN0T8H3wkSCeMQx1P6/6eWPiJc0owIYGr8IVs4ZcCbH7oaIOJVxZ6gKzO J5X+qiXRSK/dg+RlifXP0Su/17AcBeqsEv492+TrAFvSj5LZacPXBjBbXWgx/H/1 T0hOBR3nKCV5WnFCAoOlRqysIKKVJSJM1norXocmHUvUqRhIfqA= =y7lT -----END PGP SIGNATURE----- --AIHMUjNWm8ShD+l3--