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 1l36VW-0000PK-Us for pgsql-hackers@arkaria.postgresql.org; Sat, 23 Jan 2021 00:10:26 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1l36VV-00071r-U3 for pgsql-hackers@arkaria.postgresql.org; Sat, 23 Jan 2021 00:10:25 +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 1l36VV-00071e-NL for pgsql-hackers@lists.postgresql.org; Sat, 23 Jan 2021 00:10:25 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l36VT-0007x1-IO for pgsql-hackers@lists.postgresql.org; Sat, 23 Jan 2021 00:10:24 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 10N0AEbB1254690; Fri, 22 Jan 2021 19:10:14 -0500 From: Tom Lane To: Pavan Deolasee cc: Tomas Vondra , Anastasia Lubennikova , Tomas Vondra , Tatsuo Ishii , lubennikovaav@gmail.com, PostgreSQL Hackers , ibrar.ahmad@gmail.com Subject: Re: COPY FREEZE and setting PD_ALL_VISIBLE/visibility map bits In-reply-to: References: <160382617166.1204.475752573208579406.pgcf@coridan.postgresql.org> <20201028.144653.966121790856478893.t-ishii@sraoss.co.jp> <20201030004252.d63rwclys4bniluu@development> <1d2e0f4a-6ab8-10f1-c177-af97475df001@postgrespro.ru> <20201102144453.tumlk7qhw3gzn2dk@development> <7e6a006f-c59a-93fc-3ddf-f9c661319bc8@2ndquadrant.com> <75f3760f-1077-07c1-aea4-975d5c127d6d@postgrespro.ru> <93b767d6-4cde-7326-8de4-d71d81817c16@postgrespro.ru> <8669d452-d078-bdf9-5a62-6f1acd55f3c6@enterprisedb.com> <58359211-c505-1ee6-c5fd-78db84afb46f@postgrespro.ru> <13a5b2dc-4fe9-d4a6-01df-d2c7bba8fd2c@enterprisedb.com> <692cd1f2-0aba-a959-f142-b9851691b35b@enterprisedb.com> Comments: In-reply-to Pavan Deolasee message dated "Mon, 18 Jan 2021 10:23:43 +0530" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1254688.1611360614.1@sss.pgh.pa.us> Content-Transfer-Encoding: quoted-printable Date: Fri, 22 Jan 2021 19:10:14 -0500 Message-ID: <1254689.1611360614@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Pavan Deolasee writes: > On Mon, Jan 18, 2021 at 3:02 AM Tomas Vondra > wrote: >> Pushed. Thanks everyone for the effort put into this patch. The first >> version was sent in 2015, so it took quite a bit of time. > Thanks Tomas, Anastasia and everyone else who worked on the patch and > ensured that it gets into the tree. Buildfarm results suggest that the test case is unstable under CLOBBER_CACHE_ALWAYS: https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=3Dhyrax&dt=3D2021-= 01-19%2020%3A27%3A46 This might mean an actual bug, or just that the test isn't robust. regards, tom lane