Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 46BB863369B for ; Thu, 14 Jan 2010 16:10:13 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 65639-07 for ; Thu, 14 Jan 2010 20:10:01 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-fx0-f227.google.com (mail-fx0-f227.google.com [209.85.220.227]) by mail.postgresql.org (Postfix) with ESMTP id 6E9936325F4 for ; Thu, 14 Jan 2010 16:10:00 -0400 (AST) Received: by fxm27 with SMTP id 27so1248031fxm.3 for ; Thu, 14 Jan 2010 12:09:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:received:date:from:to:cc :subject:message-id:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=M+m4+2DyoK1CPSPLoWhBxW+gG1D19f773EE7KPFVu9Y=; b=NFT6zitOXc/ulNidBFA64gk1Am74RADY99eFlwsW0rUtjoyme3MsqiH1fb1psgAWZO 0X/tCl8r0Hfhur0XFteVoGoS90TiU66P1a99QJzomP+0WUD2UkxrWtvWJbTy/jWWGCA6 DFqEgrb27K8kDQFJ/Z1UzRGc6aXBYAXkrBz5c= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=CoVazNsB0A2PAjDl+jC3ZjX0c0CTRqAzKgUJz5n2ug15Ue8vl9Aoc9fxQuLdnKyMvm Vga4sOUMfm8aHrOZpYQtCfc3Ena6QHBy0GpVk56bgWS86sVSlFTWdT8WLq2Z8v13d+ZY +tfeQJKOmsh4kwcNmOGWl2g9FGgc2hoV/9i/I= Received: by 10.223.127.200 with SMTP id h8mr1616950fas.56.1263499799423; Thu, 14 Jan 2010 12:09:59 -0800 (PST) Received: from googlemail.com (port-87-193-148-114.static.qsc.de [87.193.148.114]) by mx.google.com with ESMTPS id 14sm459838fxm.7.2010.01.14.12.09.58 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 14 Jan 2010 12:09:58 -0800 (PST) Received: by googlemail.com (nbSMTP-1.00) for uid 1100 (using TLSv1/SSLv3 with cipher RC4-MD5 (128/128 bits)) fkater@googlemail.com; Thu, 14 Jan 2010 21:09:58 +0100 (CET) Date: Thu, 14 Jan 2010 21:09:57 +0100 From: "fkater@googlemail.com" To: Ivan Voras Cc: pgsql-performance@postgresql.org Subject: Re: Inserting 8MB bytea: just 25% of disk perf used? Message-ID: <20100114200957.GA2384@comppasch2> References: <20100114142903.GB2973@comppasch2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.589 tagged_above=-10 required=5 tests=BAYES_00=-2.599, FH_DATE_PAST_20XX=3.188 X-Spam-Level: X-Archive-Number: 201001/305 X-Sequence-Number: 37185 Thank You for your reply. Ivan Voras: > Are you doing it locally or over a network? If you are accessing the > server over a network then it could be the location of the bottleneck. All is done locally (for now). Felix