Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gRJT8-0003ay-Eh for pgsql-performance@arkaria.postgresql.org; Mon, 26 Nov 2018 16:10:42 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gRJT6-0002ow-Ml for pgsql-performance@arkaria.postgresql.org; Mon, 26 Nov 2018 16:10:40 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gRJT6-0002ol-Ee for pgsql-performance@lists.postgresql.org; Mon, 26 Nov 2018 16:10:40 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gRJT3-0003ne-Vd for pgsql-performance@postgresql.org; Mon, 26 Nov 2018 16:10:40 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id wAQGAXEw010327; Mon, 26 Nov 2018 11:10:33 -0500 From: Tom Lane To: Mariel Cherkassky cc: PostgreSQL mailing lists Subject: Re: autovacuum run but last_autovacuum is empty In-reply-to: References: <28510.1543245899@sss.pgh.pa.us> Comments: In-reply-to Mariel Cherkassky message dated "Mon, 26 Nov 2018 17:51:22 +0200" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <10325.1543248633.1@sss.pgh.pa.us> Date: Mon, 26 Nov 2018 11:10:33 -0500 Message-ID: <10326.1543248633@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Mariel Cherkassky writes: > I think that something is wrong because some tables has a value in > last_autoanalyze and some dont while most of them were analyzed. It's possible that autovacuum abandoned some vacuum attempts without getting to the end because of lock conflicts. regards, tom lane