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 1oroI4-0004xO-VZ for pgsql-hackers@arkaria.postgresql.org; Sun, 06 Nov 2022 22:38:57 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1oroI1-0004aj-Vb for pgsql-hackers@arkaria.postgresql.org; Sun, 06 Nov 2022 22:38:53 +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 1oroI1-0004YF-6F for pgsql-hackers@lists.postgresql.org; Sun, 06 Nov 2022 22:38:53 +0000 Received: from mail-pg1-x536.google.com ([2607:f8b0:4864:20::536]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1oroHw-0002KB-0n for pgsql-hackers@postgresql.org; Sun, 06 Nov 2022 22:38:52 +0000 Received: by mail-pg1-x536.google.com with SMTP id v3so8921481pgh.4 for ; Sun, 06 Nov 2022 14:38:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; 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=YZtTUIuNjMfmw+1UKQS50qOeLQMl0x+whvZKAhQFUKE=; b=ec7DC+rkr9wCds4nOuSpoz59u5SDkzu44j+GZhrjHr+fGvh7TpHBbHXHxmnVmB2p2o 5ToXk4xTDSApHLSzIZU2Pn3r/R4GVMpsjII8aL3OKG4iNISSGMPoOIDg817tZi7DZJow SN435njCpD0RQwwFZX9Q9i5w1optGkfmwxrkx9z1znUC0B+qhvy93mk+WTkjAygaQpss AhnrO+LHynqRiK0YEadSWKrzydCM/pO6YDBVZxsS3ImhWV63ezGhAbF9Ypx+oeJfUkwY l3phGXLkRGE/64eAXkCCzLstul3/BUtbj06MqrwRe66buoFX3qX86H6XNNRSJaw0xXj1 cmbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=YZtTUIuNjMfmw+1UKQS50qOeLQMl0x+whvZKAhQFUKE=; b=Jx39kyLrN7VH1N6hPiJkiENPYUVwbBxc4GgNb7FUFlLEcTI0gwvuhL3N/jeoK93IGV YTrYmU/YUtTfTVkLP6hX0YUAgtsa1Iz6W0N7geVd7t5Xr1+DPm8zATwFuEYgMjFT9iF2 y7hzE2o5BC0BAI0+fY42FQ3f8AaeUPt7oPgcB4bXoDpcsbeqEtI91HlPnCzl+z22dZS3 GObOl+Xzv+uJFdGrdOChYABbN19yzH+ZvkOI+QKO9LBVWolIGUkdu5Rt8GoxXTZNTdw6 jX7R2aIVODjKo7Ub5rJNiD4IwQ+92xGMZZr1y/LA5mY5aH2Swp+M6Jg2B3tljbnkl2Ft PSTw== X-Gm-Message-State: ACrzQf3OwOtbk/CG+sYapDUvQgpRCGlvcJRISVikERHdq3bs1QvDf7ul EIToi4fGYbVYlOoc3cWgEOk= X-Google-Smtp-Source: AMsMyM5QrUZWEDgLk1/bNCeL6qXgQNbvu8znz5UnOHLF6z1LhRBZ//3s7/mroZNcceqF/yGAFKva2A== X-Received: by 2002:a05:6a00:1792:b0:56c:c9aa:95ce with SMTP id s18-20020a056a00179200b0056cc9aa95cemr47092980pfg.69.1667774325556; Sun, 06 Nov 2022 14:38:45 -0800 (PST) Received: from nathanxps13 ([50.47.162.83]) by smtp.gmail.com with ESMTPSA id k1-20020a170902760100b00186abb95bfdsm3579570pll.25.2022.11.06.14.38.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Nov 2022 14:38:44 -0800 (PST) Date: Sun, 6 Nov 2022 14:38:42 -0800 From: Nathan Bossart To: Andres Freund Cc: Simon Riggs , Robert Haas , "Bossart, Nathan" , Bharath Rupireddy , Maxim Orlov , Amul Sul , Bruce Momjian , "pgsql-hackers@postgresql.org" Subject: Re: O(n) tasks cause lengthy startups and checkpoints Message-ID: <20221106223842.GA620653@nathanxps13> References: <20220702220554.GA1044460@nathanxps13> <20220702225456.zit5kjdtdfqmjujt@alap3.anarazel.de> <20220703170754.GA1048244@nathanxps13> <20220703172732.wembjsb55xl63vuw@awork3.anarazel.de> <20220706165110.GB2135371@nathanxps13> <20220811230921.GA1707962@nathanxps13> <20220824164624.GA1302727@nathanxps13> <20220902220744.GA1261322@nathanxps13> <20220923174154.GA1111614@nathanxps13> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline In-Reply-To: <20220923174154.GA1111614@nathanxps13> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Sep 23, 2022 at 10:41:54AM -0700, Nathan Bossart wrote: > v11 adds support for building with meson. rebased -- Nathan Bossart Amazon Web Services: https://aws.amazon.com --UlVJffcvxoiEqYs2 Content-Type: text/x-diff; charset=us-ascii Content-Disposition: attachment; filename="v12-0001-Introduce-custodian.patch"