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 1tV5Mg-005I1Q-Bz for pgsql-hackers@arkaria.postgresql.org; Tue, 07 Jan 2025 08:55:06 +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 1tV5Mf-001Pcq-N2 for pgsql-hackers@arkaria.postgresql.org; Tue, 07 Jan 2025 08:55:05 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tV5Mf-001Pcc-DU for pgsql-hackers@lists.postgresql.org; Tue, 07 Jan 2025 08:55:05 +0000 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1tV5Mc-000Igb-2r for pgsql-hackers@lists.postgresql.org; Tue, 07 Jan 2025 08:55:04 +0000 Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-4361dc6322fso101370035e9.3 for ; Tue, 07 Jan 2025 00:55:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1736240101; x=1736844901; darn=lists.postgresql.org; 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=wpBMla8ZJbCdTkIQC7IYtdra5je2JmccBdOf+sXejGY=; b=JB3xoXo6xMdXQYNl1CRPSDbWb0G6oKfI+QYf/iTydolMW+J0NjyuRs6I2iX2ugh7Pw 1TfBTatghTNDES01IAoD/vrNhmjIiA06R3F1ncvfQaYpI277XkH6gY9x440LKKrCL6Q/ a77XtKx0Z33UQKvKr4ys1s298s4Rro2Qo+gDG9cNZxp/WVRKgs51X2MkjdxVCQO0mhO6 QhkqDN3CB4S1EwlycBXicgJg3cuyrrlVjlOim1+gm/XH3rKG9OShB6Fpp5TvOvHoISih mvhmkvixNdo0e+D1WjxtJNhdwKR957QCC28dNvZthUBBXIpjFKmsb3bYYZPv/7jS0MnB D66w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736240101; x=1736844901; 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=wpBMla8ZJbCdTkIQC7IYtdra5je2JmccBdOf+sXejGY=; b=AjP+oF0APcGOK92N0pke/7V0qd8O3VmhCknt346l4VL3nv1J0Np9Qkp+OV5YVld/bw ezvz04bW7DlPjXG/tHSkjANE5WKKOWjpN1BcwRNSi8zDt18ulj1POO/3U3IgbKGt9XvA JNT2oU4WlekUsgzwZShyUrFUHhWUaRPKv0csVo7KJ+N3Cp0LTd5PFqedV3LGnQZ8Lnqi PnxiSJm8Xhk/+//vYeoUZUgk03uTyGj2BtIb9eIdGBW9pBQ8A0+ivodYI7Ove+pYUMiR IzCsPF9lYp+NRThEEFrHKkeCCOIAjvodveMvzZz+Nm0sH7kdvZsEQwJijhF4sKNjnuq8 x89A== X-Forwarded-Encrypted: i=1; AJvYcCV/6p7XM6H/InH8RDV4f1QWNs+ZCaXQi2uWQxZBRE8Cs+ghan/ROPasJNxwqG0KLwXkKY0FPzjNn5FTqhqQ@lists.postgresql.org X-Gm-Message-State: AOJu0YzbiZpjfiN0auRwz1ElQelMpRSEgJ84ekn6t6M7V+Ml9QCLuruD 0YH2FVf7t+8pqUrj9Pt9cK5Wg7+ZcY3Lkt+B0eI+kRNb1B5h/q2r X-Gm-Gg: ASbGnctVaXZzt1T7mq/3oJJbXrCZO/m3zcTdJ+X0InxRJg07TTROT1KQTKO3MK3zut0 UmzYzEUv7rLSXu1K2W8s5PqsYc273yUHBpPZUAwFMte4bzEMbZhZD7etZEL1ZkOwEfEQ0Q97A5+ 3cDrUzy/R7ZsJOrRrGi051UDrQ2sfllzUR/sWuMGsiQ8r2R7J4pX2ESq9tcX2SOCf3ejQVSsXiA CdsAPaOzja6+ka0Vvee0MqM7JRzEXcN8DcXAIzz+aQXVbcEmG50syrM2vMlQHc0S/Kd3LtChv9s rbVBkH/PR00gzzHbHjfmMxJ03xc8djXJ3TOElqZpbv8N4PTO45zrGHl9+Lq+oSLrY+QdtllOtNc BqxcEVFw= X-Google-Smtp-Source: AGHT+IEqJQft+VDEOGGMzV5AeYPeGqN0+XLDDkBbF5PMKBMaOox6S1QeICSNr47AHofmgQ2vOA1/aw== X-Received: by 2002:a05:600c:1986:b0:434:a239:d2fe with SMTP id 5b1f17b1804b1-43668b78dbcmr412189315e9.28.1736240101130; Tue, 07 Jan 2025 00:55:01 -0800 (PST) Received: from ip-10-97-1-34.eu-west-3.compute.internal (ec2-15-236-134-5.eu-west-3.compute.amazonaws.com. [15.236.134.5]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43661219611sm596938385e9.23.2025.01.07.00.55.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jan 2025 00:55:00 -0800 (PST) Date: Tue, 7 Jan 2025 08:54:59 +0000 From: Bertrand Drouvot To: Michael Paquier 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: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi, On Fri, Jan 03, 2025 at 10:48:41AM +0000, Bertrand Drouvot wrote: > I started to look at it and should be able to share a patch next week. A dedicated thread and a patch have been created, see [1]. [1]: https://www.postgresql.org/message-id/flat/Z3zqc4o09dM/Ezyz%40ip-10-97-1-34.eu-west-3.compute.internal Regards, -- Bertrand Drouvot PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com