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 1lPQFz-0002zc-7N for pgsql-hackers@arkaria.postgresql.org; Thu, 25 Mar 2021 13:42:39 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1lPQFy-0001zf-4K for pgsql-hackers@arkaria.postgresql.org; Thu, 25 Mar 2021 13:42:38 +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 1lPQFx-0001zY-U8 for pgsql-hackers@lists.postgresql.org; Thu, 25 Mar 2021 13:42:37 +0000 Received: from mail.thelabyrinth.net ([45.56.70.56]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lPQFw-0000Js-1D for pgsql-hackers@postgresql.org; Thu, 25 Mar 2021 13:42:36 +0000 Received: from desktop.home.thelabyrinth.net (c-73-39-102-148.hsd1.md.comcast.net [73.39.102.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dsteele) by mail.thelabyrinth.net (Postfix) with ESMTPSA id 9576B5465C; Thu, 25 Mar 2021 13:42:35 +0000 (UTC) Subject: Re: Polyphase merge is obsolete From: David Steele To: Heikki Linnakangas , pgsql-hackers Cc: Peter Geoghegan , Tomas Vondra References: <420a0ec7-602c-d406-1e75-1ef7ddc58d83@iki.fi> <264a0544-c4e9-315e-18fa-1afd9151e939@2ndquadrant.com> <6a15881f-0cc5-3564-abc0-03ec28883380@iki.fi> <4c6a8fd7-1902-fc8e-e8d6-281d426f5da8@iki.fi> <4a76a7b9-09b2-f52d-210e-c8f3f44c57c7@pgmasters.net> Message-ID: <610eafb4-c1ee-5221-c874-9be766459a98@pgmasters.net> Date: Thu, 25 Mar 2021 09:42:35 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <4a76a7b9-09b2-f52d-210e-c8f3f44c57c7@pgmasters.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 3/25/21 9:41 AM, David Steele wrote: > On 1/22/21 5:19 PM, Heikki Linnakangas wrote: >> On 22/10/2020 14:48, Heikki Linnakangas wrote: >>> On 11/09/2017 13:37, Tomas Vondra wrote: >>>> I planned to do some benchmarking on this patch, but apparently the >>>> patch no longer applies. Rebase please? >>> >>> Here's a rebase of this. Sorry to keep you waiting :-). > > I am amused that the wait here was 3+ years! > >> Here's an updated version that fixes one bug: > > We're near the end of the CF and this has not really seen any review > after a long hiatus. I'll move this to the next CF on April 30 unless I > hear objections. Oops, I meant March 30. Regards, -- -David david@pgmasters.net