Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 59849 invoked from network); 19 Apr 2008 20:55:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 19 Apr 2008 20:55:15 -0000 Received: (qmail 54271 invoked by uid 500); 19 Apr 2008 20:55:09 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 54234 invoked by uid 500); 19 Apr 2008 20:55:09 -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 54225 invoked by uid 99); 19 Apr 2008 20:55:09 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 19 Apr 2008 13:55:09 -0700 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 dinasaid@gmail.com designates 66.249.92.173 as permitted sender) Received: from [66.249.92.173] (HELO ug-out-1314.google.com) (66.249.92.173) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 19 Apr 2008 20:54:24 +0000 Received: by ug-out-1314.google.com with SMTP id k3so310027ugf.5 for ; Sat, 19 Apr 2008 13:54:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:user-agent:mime-version:to:subject:content-type:content-transfer-encoding; bh=ocL7Qx2edRiGW0HYb7igPLmfa1kHrI3Y1zsEc1xYZ5E=; b=WLCW/T+iiP+CxWtvqJQ+2fkGvTBCxCE00/f5bufySIvEgBoPmbVc18ITjKHTGF/fATdbjd6yqHAYBdxzv/fg8iJnSCgNu1GyxNb0c6Jbf41fhyXzc2jMC3k7h040joKu4b6LEUlF6tJzUabC8zhU2xB4sHCAJoIZpt4hawSZvU4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:content-type:content-transfer-encoding; b=D7zJNch5WT+CQbQf+wyDQ/j9mTvVvRTZpGRLqKHmct4lfsOdtxEY66Yrcdoz7OrcDD563QWioXMZSseNU+iebNPVoY7/EG1tK6yLhB2COrJT8Nbl+T2MNT+7HaO9n7cLRQ0326ObYx6Zuk/EInTt5KEz0ALUvxra/f9kEQUBYBU= Received: by 10.67.116.2 with SMTP id t2mr1724737ugm.62.1208638475921; Sat, 19 Apr 2008 13:54:35 -0700 (PDT) Received: from ?192.168.1.101? ( [41.235.128.129]) by mx.google.com with ESMTPS id m5sm3252415gve.1.2008.04.19.13.54.28 (version=SSLv3 cipher=RC4-MD5); Sat, 19 Apr 2008 13:54:35 -0700 (PDT) Message-ID: <480A5C2E.3040202@gmail.com> Date: Sat, 19 Apr 2008 22:55:10 +0200 From: Dina Said User-Agent: Thunderbird 2.0.0.6 (X11/20070801) MIME-Version: 1.0 To: core-user@hadoop.apache.org Subject: Combine previous Map Results Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Dear all Suppose that I have files that have intermediate key values and I want to combine these intermediate keys values with a new MapReduce task. I want this MapReduce task to combine during the reduce stage the intermediate key values it generates with the intermediate key values I already have. Any ideas? Dina