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 1lmk4L-0000mw-4A for pgsql-performance@arkaria.postgresql.org; Fri, 28 May 2021 21:31:01 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1lmk4J-00021W-ND for pgsql-performance@arkaria.postgresql.org; Fri, 28 May 2021 21:30:59 +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 1lmk4J-00021O-F2 for pgsql-performance@lists.postgresql.org; Fri, 28 May 2021 21:30:59 +0000 Received: from momjian.us ([72.94.173.45]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lmk4G-0002rT-Rd for pgsql-performance@lists.postgresql.org; Fri, 28 May 2021 21:30:59 +0000 Received: from bruce by momjian.us with local (Exim 4.92) (envelope-from ) id 1lmk4C-00040e-9H; Fri, 28 May 2021 17:30:52 -0400 Date: Fri, 28 May 2021 17:30:52 -0400 From: Bruce Momjian To: Andrew Dunstan Cc: Jan Wieck , "Dean Gibson (DB Administrator)" , pgsql-performance@lists.postgresql.org Subject: Re: AWS forcing PG upgrade from v9.6 a disaster Message-ID: <20210528213052.GC5649@momjian.us> References: <88dec70b-eb63-0b72-0b5d-253851ef127b@mailpen.com> <163214e4-0588-230b-9ed5-f682087e0e18@wi3ck.info> <4e238cc5-f63e-0435-63bf-2515500d5424@dunslane.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4e238cc5-f63e-0435-63bf-2515500d5424@dunslane.net> User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Fri, May 28, 2021 at 05:15:33PM -0400, Andrew Dunstan wrote: > > How did you load the database? pg_dump -> psql/pg_restore? > > > > If so, did you perform a VACUUM FREEZE after the load? > > Jan > > > AIUI he did an RDS upgrade. Surely that's not doing a dump/restore? I > assume you would know better than him or me what it actually does do :-) I think it uses pg_upgrade. -- Bruce Momjian https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.