Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1X89uE-0000Gi-UK for pgsql-performance@arkaria.postgresql.org; Fri, 18 Jul 2014 15:17:07 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1X89uE-0008Cl-Ae for pgsql-performance@arkaria.postgresql.org; Fri, 18 Jul 2014 15:17:06 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1X89uC-0008A1-Qo for pgsql-performance@postgresql.org; Fri, 18 Jul 2014 15:17:04 +0000 Received: from 62-2-77-205.static.cablecom.ch ([62.2.77.205] helo=mail.op.lan) by makus.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1X89u8-0007gJ-2e for pgsql-performance@postgresql.org; Fri, 18 Jul 2014 15:17:02 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.op.lan (Postfix) with ESMTP id 3D169187FFC; Fri, 18 Jul 2014 17:16:55 +0200 (CEST) X-Virus-Scanned: amavisd-new at example.com Received: from mail.op.lan ([127.0.0.1]) by localhost (mail.op.lan [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zQDFRnOw7G8h; Fri, 18 Jul 2014 17:16:55 +0200 (CEST) Received: from gc.localdomain (62-2-77-204.static.cablecom.ch [62.2.77.204]) by mail.op.lan (Postfix) with ESMTP id 0A369187FE3; Fri, 18 Jul 2014 17:16:55 +0200 (CEST) Received: by gc.localdomain (Postfix, from userid 500) id ABEFA18A4E8; Fri, 18 Jul 2014 17:16:54 +0200 (CEST) To: Benjamin Dugast Cc: pgsql-performance@postgresql.org Subject: Re: Blocking every 20 sec while mass copying. References: From: Guillaume Cottenceau X-Hashcash: 1:21:140718:bdugast@excilys.com::O9U/kXkCpzKqIO5h:0000000000000000000000000000000000000000003igE X-Hashcash: 1:21:140718:pgsql-performance@postgresql.org::h+mUTndDoUW27Wdd:000000000000000000000000000001DB0 Date: Fri, 18 Jul 2014 17:16:54 +0200 In-Reply-To: (Benjamin Dugast's message of "Fri\, 18 Jul 2014 12\:52\:39 +0200") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Pg-Spam-Score: 1.7 (+) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org Benjamin Dugast writes: > =E2=80=A2 fsync to off (that helped but we can't do this) not exactly your question, but maybe synchronous_commit=3Doff is a nice enough intermediary solution for you (it may give better performances at other places too for only an affordable cost) --=20 Guillaume Cottenceau --=20 Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance