Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eOoqD-0003Mw-Te for pgsql-performance@arkaria.postgresql.org; Tue, 12 Dec 2017 17:59:42 +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 1eOoqD-0007zU-7K for pgsql-performance@arkaria.postgresql.org; Tue, 12 Dec 2017 17:59:41 +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 1eOoqC-0007zI-Qo for pgsql-performance@lists.postgresql.org; Tue, 12 Dec 2017 17:59:40 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1eOoq5-000863-P9 for pgsql-performance@postgresql.org; Tue, 12 Dec 2017 17:59:39 +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 vBCHxVK8009061; Tue, 12 Dec 2017 12:59:31 -0500 From: Tom Lane To: Mariel Cherkassky cc: "David G. Johnston" , PostgreSQL mailing lists Subject: Re: PostgreSQL database size is not reasonable In-reply-to: References: <887.1513093765@sss.pgh.pa.us> Comments: In-reply-to Mariel Cherkassky message dated "Tue, 12 Dec 2017 18:22:14 +0200" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <9059.1513101571.1@sss.pgh.pa.us> Date: Tue, 12 Dec 2017 12:59:31 -0500 Message-ID: <9060.1513101571@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Mariel Cherkassky writes: > The system catalogs located in the global directory but the global > directory isnt so big(500K). You're operating under false assumptions. Only catalogs marked relisshared are in that directory, other ones are in the per-database directories. Somebody mentioned pg_largeobject upthread --- that would definitely be a candidate to be big, if you're using large objects at all. regards, tom lane