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 1jhJkm-0004bE-53 for pgsql-hackers@arkaria.postgresql.org; Fri, 05 Jun 2020 21:19:52 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1jhJkl-00080z-0B for pgsql-hackers@arkaria.postgresql.org; Fri, 05 Jun 2020 21:19:51 +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 1jhJkk-00080s-JO for pgsql-hackers@lists.postgresql.org; Fri, 05 Jun 2020 21:19:50 +0000 Received: from mail-qk1-x744.google.com ([2607:f8b0:4864:20::744]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1jhJkh-0006lt-PS for pgsql-hackers@postgresql.org; Fri, 05 Jun 2020 21:19:50 +0000 Received: by mail-qk1-x744.google.com with SMTP id n141so11276361qke.2 for ; Fri, 05 Jun 2020 14:19:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=2ndquadrant-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=G/3anih1xAyxe6hRH3FVRiFsK+V/vqhcxVYpgqfNeO0=; b=u7FcPj5LU1WqUM9V7vuZEmpw3onPfm+e7nA8YPQO/XUdDbJM6cxOeRyTyb5P0KX+UK T1zbzMOKtyr04rI5OQvvIGga8uYx3oJEvnjuX5v0rmJNrhnIiStmtGSkp83cRwO1a+IO pchbTDGQ9RYvEejq6ZSE7HiSJ4ASFMFfiEErV4sn3sAGoljQEdQJPgVuuz2s6nfhiq6W G8pGCLC5ywka272T8+4ix2nBOHURuYqTT2spd/GvUOzWPwYYFRpvgfHk50fP39c39BUn Ry6h9T4ScMKhI8Izy0XjFNNFtcausGgnGzkujIrGCy3FrLCH7jqG2BABnGcFNRRLsN9S YUFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=G/3anih1xAyxe6hRH3FVRiFsK+V/vqhcxVYpgqfNeO0=; b=mf/LG9XZv0sPcDlccCvpfLDLEdzkQW2TkdlD5viG6mziYNk8OrhR54+Unx1n5uxDIv a3OYEM8JSAClUoSlCMSdpEvujLAqkiKpXGaT1P8356sM5HU3BNxLvd/OXvaixyFSdZ5t iU+u/pKA9PViBE7Rmn+16wadfQGQUdBKG4VpYnSIfjeO7bS8Cq/bxhYaXovtChuHZCf4 kcRzBIuxmngjXJXPY1TKHLaUsqwY8kzG3jdnp3UPKHHXHrA449oYHAwmmH7cB5vHJeTQ iQkeDrivVpdeDRTO+bg7B1QJK/KPDpSg9ZTZ41TgZs/VY82Fu05oQ2iV3h4ZdAYHXG5P 8Rlw== X-Gm-Message-State: AOAM531t8vDmSYn1jXCeYaelSyMVKLll3KXHhSUqQ+RVRIIDhJEi/TYf 08UObFPJJyV/P5TN8zsPPH/ZOw== X-Google-Smtp-Source: ABdhPJyFGnbbC9s0ttNqSoa9uDPqrOExZfQ4H/Tm0UYtZ1vGTHewQMZdrJn305VhvXGY1S/jgh2Jtw== X-Received: by 2002:a37:4656:: with SMTP id t83mr11828767qka.126.1591391985892; Fri, 05 Jun 2020 14:19:45 -0700 (PDT) Received: from nimloth.alvh.no-ip.org ([190.95.18.252]) by smtp.gmail.com with ESMTPSA id n130sm798853qke.77.2020.06.05.14.19.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jun 2020 14:19:45 -0700 (PDT) Received: by nimloth.alvh.no-ip.org (Postfix, from userid 1000) id 46BF9300727; Fri, 5 Jun 2020 17:19:43 -0400 (-04) Date: Fri, 5 Jun 2020 17:19:43 -0400 From: Alvaro Herrera To: Tomas Vondra Cc: Jeff Davis , Melanie Plageman , Thomas Munro , pgsql-hackers , Heikki Linnakangas Subject: Re: Trouble with hashagg spill I/O pattern and costing Message-ID: <20200605211943.GA5265@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200529130454.el6qyuukj3ofs4eu@development> User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Hello Is this patch the only thing missing before this open item can be considered closed? Thanks -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services