Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 10330 invoked from network); 31 Mar 2009 23:29:05 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 31 Mar 2009 23:29:05 -0000 Received: (qmail 30268 invoked by uid 500); 31 Mar 2009 23:29:03 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 30195 invoked by uid 500); 31 Mar 2009 23:29:02 -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 30185 invoked by uid 99); 31 Mar 2009 23:29:02 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 31 Mar 2009 23:29:02 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of kusanagiyang.hadoop@gmail.com designates 209.85.219.171 as permitted sender) Received: from [209.85.219.171] (HELO mail-ew0-f171.google.com) (209.85.219.171) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 31 Mar 2009 23:28:56 +0000 Received: by ewy19 with SMTP id 19so2773816ewy.29 for ; Tue, 31 Mar 2009 16:28:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=H/2A867x28xXaSjcNucmClq75F1iaAbMxZOjwjj9xHM=; b=rcRHcWhttvu110JA3qX+FlJPqBWZdC8tXp81IfRohLOl++H3XmRJdJFexpeyzFXoMa JQGQE3L0MUFsMMBsL5xVs8o8yWHpK/Yz8IfgE78yV/U+efEfoHZ6CLPoeKVQuLAgpfnD mlREI2ViN8BajnOUDHEns2x/jK/vpwCUHP+bo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=qNZVLJf/Zia1JaoUQL1eE0HGYjxpChOBcf1HRLZs8FHZraH5S/6+J2CotcSZ6Qz2N9 huBjsZhRERHA6RjCa9bE+glCvF/bcbX29EiLPeV5dat9TzOARxGt2OJ69jv7OMPYutFV 4ovdgzVVvVmHBNgtc7BaSQ+0R2CvHwZxtaFxc= MIME-Version: 1.0 Received: by 10.216.6.200 with SMTP id 50mr2349584wen.117.1238542114905; Tue, 31 Mar 2009 16:28:34 -0700 (PDT) Date: Tue, 31 Mar 2009 16:28:34 -0700 Message-ID: <4c0606760903311628k4c03fbb5x7dbc2d8f81d8835c@mail.gmail.com> Subject: Please help From: Hadooper To: core-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=0016364c7b8dcc5db10466728ee5 X-Virus-Checked: Checked by ClamAV on apache.org --0016364c7b8dcc5db10466728ee5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Dear developers, Is there any detailed example of how Hadoop processes input? Article http://hadoop.apache.org/core/docs/r0.19.1/mapred_tutorial.htmlgives a good idea, but I want to see input data being passed from class to class, and how each class manipulates data. The purpose is to analyze the time and space complexity of Hadoop as a generalized computational model/algorithm. I tried to search the web and could not find more detail. Any pointer/hint? Thanks a million. -- Cheers! Hadoop core --0016364c7b8dcc5db10466728ee5--