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 1sVvIb-00CKwm-RZ for pgsql-hackers@arkaria.postgresql.org; Mon, 22 Jul 2024 15:50:05 +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 1sVvIZ-003iDS-OS for pgsql-hackers@arkaria.postgresql.org; Mon, 22 Jul 2024 15:50:04 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sVvIZ-003iDK-El for pgsql-hackers@lists.postgresql.org; Mon, 22 Jul 2024 15:50:03 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sVvIX-000uCz-Ly for pgsql-hackers@postgresql.org; Mon, 22 Jul 2024 15:50:03 +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 46MFnrU6890166; Mon, 22 Jul 2024 11:49:53 -0400 From: Tom Lane To: Peter Geoghegan cc: Melanie Plageman , Heikki Linnakangas , Pg Hackers , Andres Freund , Noah Misch Subject: Re: Vacuum ERRORs out considering freezing dead tuples from before OldestXmin In-reply-to: References: <614152.1721580711@sss.pgh.pa.us> Comments: In-reply-to Peter Geoghegan message dated "Mon, 22 Jul 2024 11:17:03 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-ID: <890164.1721663393.1@sss.pgh.pa.us> Content-Transfer-Encoding: 8bit Date: Mon, 22 Jul 2024 11:49:53 -0400 Message-ID: <890165.1721663393@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Peter Geoghegan writes: > On Mon, Jul 22, 2024 at 9:32 AM Melanie Plageman > wrote: >> Andres has suggested in the past that we allow maintenance_work_mem be >> set to a lower value or introduce some kind of development GUC so that >> we can more easily test multiple pass index vacuuming. Do you think >> this would be worth it? > No, I don't. I don't see why that's not a good idea. regards, tom lane