Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 79808 invoked from network); 14 Apr 2009 20:40:12 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 14 Apr 2009 20:40:11 -0000 Received: (qmail 28396 invoked by uid 500); 14 Apr 2009 20:40:09 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 28315 invoked by uid 500); 14 Apr 2009 20:40:09 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 28305 invoked by uid 99); 14 Apr 2009 20:40:09 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Apr 2009 20:40:09 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of andrewfnewman@gmail.com designates 209.85.221.115 as permitted sender) Received: from [209.85.221.115] (HELO mail-qy0-f115.google.com) (209.85.221.115) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Apr 2009 20:40:00 +0000 Received: by qyk13 with SMTP id 13so3703114qyk.5 for ; Tue, 14 Apr 2009 13:39:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=drH/6SdQ4o23aVmmsa6BWSpFaB7pvTMo6pxzqKIFmzQ=; b=jDEXimgLXOOZ6TQ4sBso2JDsv/bWNNR11jZbqnS6gkCcEttkmc5LRWl1bMN9pnp+lq 3bnDcQYyIIihAX3+7Jpp0rTrM/gpA4wkWwFfcRzzUD1MSWeCy2Sg2r8M835pvfyFC/21 E07YQNE7beYADVeDel4ShuI6MqmvQrDYf7vlI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=fuJD0xmehGL39K6RW2sLW1G8jgp+RQUbCsz8X8a53kavG+phjh04bKpuc3UjPEvTXX sCjk99p9OlseW751KzbufKcaj3QMv2VCZYslHAtMeIXjVef5D4B4IUj/0h84a1hK7frb +SiYAz2MhTjn0uNC5KzIxViH8e/AKFqNGC0+w= MIME-Version: 1.0 Received: by 10.229.85.14 with SMTP id m14mr2194166qcl.64.1239741579691; Tue, 14 Apr 2009 13:39:39 -0700 (PDT) In-Reply-To: <29bed2720904140716y58bd9031o1cde2a85a6133e80@mail.gmail.com> References: <29bed2720904140716y58bd9031o1cde2a85a6133e80@mail.gmail.com> Date: Wed, 15 Apr 2009 06:39:39 +1000 Message-ID: <2db5a5c40904141339p281a80a3web586a9a6452ec45@mail.gmail.com> Subject: Re: fyi: A Comparison of Approaches to Large-Scale Data Analysis: MapReduce vs. DBMS Benchmarks From: Andrew Newman To: core-user@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org They are comparing an indexed system with one that isn't. Why is Hadoop faster at loading than the others? Surely no one would be surprised that it would be slower - I'm surprised at how well Hadoop does. Who want to write a paper for next year, "grep vs reverse index"? 2009/4/15 Guilherme Germoglio : > (Hadoop is used in the benchmarks) > > http://database.cs.brown.edu/sigmod09/ >