Return-Path: Delivered-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Received: (qmail 45549 invoked from network); 20 Dec 2010 18:33:50 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 20 Dec 2010 18:33:50 -0000 Received: (qmail 16152 invoked by uid 500); 20 Dec 2010 18:33:50 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 16012 invoked by uid 500); 20 Dec 2010 18:33:49 -0000 Mailing-List: contact mapreduce-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-user@hadoop.apache.org Delivered-To: mailing list mapreduce-user@hadoop.apache.org Received: (qmail 16004 invoked by uid 99); 20 Dec 2010 18:33:48 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 20 Dec 2010 18:33:48 +0000 X-ASF-Spam-Status: No, hits=1.5 required=10.0 tests=FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of psdc1978@gmail.com designates 209.85.215.43 as permitted sender) Received: from [209.85.215.43] (HELO mail-ew0-f43.google.com) (209.85.215.43) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 20 Dec 2010 18:33:40 +0000 Received: by ewy22 with SMTP id 22so1803893ewy.2 for ; Mon, 20 Dec 2010 10:33:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=VOn/cOJvR5LsdJoljMaGezhvn+FOZGNuEaopiywoSUI=; b=HsJeF07lHkkWpLuDVLF9bT9KqMKZe6Dkr4a5Awh5GvDX5H8akfL6lTyPEnTIJNd4W2 /1LKf56sDkaRMW8f3x15qXe90wtnHnxWFkixWlkhfIHICoDFbxKHLw+wQFUnfW6FpKAy v3JgJ8b5RPjkkKic3FQWNIPDIEIrt3PI8YB5o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=iDxCRl1RiM2/3cK4UipCICdDQ+8YFC/1CknBW9PH7OoRv0BUDp95SljBBN+2aUuX7A vhM11UUtwlJqIe5pDPLgBpyGdBVXmSmnne4mO58pqPlFdRUxyx+bFbwdAHNMJvoH0mEo 1i/xAuf/q0StAirREyj3L2WNbsTaMdXfFBLSA= MIME-Version: 1.0 Received: by 10.213.10.201 with SMTP id q9mr1408058ebq.55.1292870000363; Mon, 20 Dec 2010 10:33:20 -0800 (PST) Received: by 10.213.105.74 with HTTP; Mon, 20 Dec 2010 10:33:20 -0800 (PST) Date: Mon, 20 Dec 2010 18:33:20 +0000 Message-ID: Subject: When a Reduce Task starts? From: Pedro Costa To: mapreduce-user@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org 1 - A reduce task should start only when a map task ends ? -- Pedro