Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eenUf-00025Z-VX for pgsql-admin@arkaria.postgresql.org; Thu, 25 Jan 2018 19:47:30 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eenUf-0004q1-AQ for pgsql-admin@arkaria.postgresql.org; Thu, 25 Jan 2018 19:47:29 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1eenUe-0004pj-WB for pgsql-admin@lists.postgresql.org; Thu, 25 Jan 2018 19:47:29 +0000 Received: from smtprelay0254.b.hostedemail.com ([64.98.42.254] helo=smtprelay.b.hostedemail.com) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1eenUb-00025i-TV for pgsql-admin@lists.postgresql.org; Thu, 25 Jan 2018 19:47:27 +0000 Received: from filter.hostedemail.com (10.5.19.248.rfc1918.com [10.5.19.248]) by smtprelay03.b.hostedemail.com (Postfix) with ESMTP id 60FA71A73B3; Thu, 25 Jan 2018 19:47:23 +0000 (UTC) X-Session-Marker: 616C76686572726540616C76682E6E6F2D69702E6F7267 X-Spam-Summary: 50,0,0,,d41d8cd98f00b204,alvherre@alvh.no-ip.org,:::::::,RULES_HIT:41:355:379:599:967:973:988:989:1260:1277:1311:1312:1313:1314:1345:1359:1437:1515:1516:1518:1519:1534:1539:1593:1594:1595:1596:1711:1714:1730:1747:1777:1792:2393:2525:2560:2563:2682:2685:2828:2859:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3351:3865:3866:3867:3868:3870:3871:3872:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4250:4321:4605:5007:6261:7208:9025:9113:9121:10004:10400:10483:10848:11232:11658:11876:11914:12555:12663:12895:12986:13069:13311:13357:13439:13894:13895:14180:14721:14764:19901:19997:21060:21080:21450:21451:21627:30054:30075:30085,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:2,LUA_SUMMARY:none X-HE-Tag: grade31_5d80c146d442f X-Filterd-Recvd-Size: 1719 Received: from alvin.alvh.no-ip.org (unknown [179.57.113.18]) (Authenticated sender: alvherre@alvh.no-ip.org) by omf04.b.hostedemail.com (Postfix) with ESMTPA; Thu, 25 Jan 2018 19:47:22 +0000 (UTC) Received: by alvin.alvh.no-ip.org (Postfix, from userid 1000) id 65331765; Thu, 25 Jan 2018 16:47:20 -0300 (-03) Date: Thu, 25 Jan 2018 16:47:20 -0300 From: Alvaro Herrera To: Jorge Daniel Cc: "pgsql-admin@lists.postgresql.org" , "pgsql-admin@postgresql.org" , "dyuryeva@medallia.com" Subject: Re: OOM Killing on Docker while ANALYZE running Message-ID: <20180125194720.ammwkya3dvj23rjc@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: NeoMutt/20170306-137-4415bd-dirty (1.8.0) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Jorge Daniel wrote: > Hi guys , I'm dealing with OOM killing on Postgresql 9.4.8 running on docker , What is your statistics target? analyze is supposed to acquire samples of the data, not the whole table ... > pgbench=# analyze verbose pgbench_accounts; > INFO: analyzing "public.pgbench_accounts" > INFO: "pgbench_accounts": scanned 1639345 of 1639345 pages, containing 100000000 live rows and 0 dead rows; 3000000 rows in sample, 100000000 estimated total rows Here it seems to be saying that it reads all 1.6 million pages ... -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services