From common-dev-return-79637-apmail-hadoop-common-dev-archive=hadoop.apache.org@hadoop.apache.org Sun Sep 9 18:29:18 2012 Return-Path: X-Original-To: apmail-hadoop-common-dev-archive@www.apache.org Delivered-To: apmail-hadoop-common-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 85AA1D0CD for ; Sun, 9 Sep 2012 18:29:18 +0000 (UTC) Received: (qmail 70156 invoked by uid 500); 9 Sep 2012 18:29:16 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 70041 invoked by uid 500); 9 Sep 2012 18:29:16 -0000 Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-dev@hadoop.apache.org Delivered-To: mailing list common-dev@hadoop.apache.org Received: (qmail 70028 invoked by uid 500); 9 Sep 2012 18:29:15 -0000 Delivered-To: apmail-hadoop-core-dev@hadoop.apache.org Received: (qmail 70025 invoked by uid 99); 9 Sep 2012 18:29:15 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 09 Sep 2012 18:29:15 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of momina.azam@gmail.com designates 209.85.212.48 as permitted sender) Received: from [209.85.212.48] (HELO mail-vb0-f48.google.com) (209.85.212.48) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 09 Sep 2012 18:29:09 +0000 Received: by vbme21 with SMTP id e21so2253448vbm.35 for ; Sun, 09 Sep 2012 11:28:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=aikBmYu/IyCGE09xQBlqeiXMBqsfE9WU6M3csW0hxUg=; b=mX4+JHVhwFd9UDz3GJ46a6ixSQ13TmTAKpWM9GEsOsrz6REne0Ea5iZi0d6yJjpsVP by/gN7ek+fZ6lrctniUGy32MI7F4IDofOO/26zNVE/LyUHFrM54wD5UzIcnN+aPrA2XN 6/DgQRgMMZaHhAk/dRcHjGuJSu27wNay1oYMp7ps/y9iSI6i5ZaPFQU8F20GyHHU58be pIKvliP5NaNlKvVBZAF6EGr34809l49I2QOIt/ivozM0vfWdWybM3xHqFkb0AjGfB2Ec jO7uH3zPCpfqumnts3WkdlJuazUcRV8HBAPkvzo460qAJbk13u3BV/6SgCQUoeK7QGxD I74g== MIME-Version: 1.0 Received: by 10.58.221.66 with SMTP id qc2mr17514141vec.30.1347215328320; Sun, 09 Sep 2012 11:28:48 -0700 (PDT) Received: by 10.220.143.9 with HTTP; Sun, 9 Sep 2012 11:28:48 -0700 (PDT) Date: Sun, 9 Sep 2012 23:28:48 +0500 Message-ID: Subject: difference between hadoop code and the amazon elastic Mapreduce From: Momina Khan To: core-dev@hadoop.apache.org Content-Type: multipart/alternative; boundary=047d7bf162e4149c6a04c9490383 X-Virus-Checked: Checked by ClamAV on apache.org --047d7bf162e4149c6a04c9490383 Content-Type: text/plain; charset=ISO-8859-1 hi all! could someone please point out key differences between hadoop code and Amazon's Elastic MapReduce. I am particularly interested in ways that hadoop code is changed/optimized to run on efficiently EC2. cheers! momina --047d7bf162e4149c6a04c9490383--