Return-Path: Delivered-To: apmail-hadoop-core-commits-archive@www.apache.org Received: (qmail 65002 invoked from network); 26 Mar 2008 18:13:54 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 26 Mar 2008 18:13:54 -0000 Received: (qmail 73903 invoked by uid 500); 26 Mar 2008 18:13:53 -0000 Delivered-To: apmail-hadoop-core-commits-archive@hadoop.apache.org Received: (qmail 73768 invoked by uid 500); 26 Mar 2008 18:13:52 -0000 Mailing-List: contact core-commits-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-commits@hadoop.apache.org Received: (qmail 73759 invoked by uid 99); 26 Mar 2008 18:13:52 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Mar 2008 11:13:52 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.130] (HELO eos.apache.org) (140.211.11.130) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Mar 2008 18:13:10 +0000 Received: from eos.apache.org (localhost [127.0.0.1]) by eos.apache.org (Postfix) with ESMTP id B2D30D2EC for ; Wed, 26 Mar 2008 18:13:30 +0000 (GMT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Apache Wiki To: core-commits@hadoop.apache.org Date: Wed, 26 Mar 2008 18:13:30 -0000 Message-ID: <20080326181330.2883.86697@eos.apache.org> Subject: [Hadoop Wiki] Update of "TaskExecutionEnvironment" by Arun C Murthy X-Virus-Checked: Checked by ClamAV on apache.org Dear Wiki user, You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification. The following page has been changed by Arun C Murthy: http://wiki.apache.org/hadoop/TaskExecutionEnvironment The comment on the change is: Added a comment asking folks to refer to the Map-Reduce tutorial first ... ------------------------------------------------------------------------------ + = NOTE: = + The most up-to-date information is usually available at: [http://hadoop.apache.org/core/docs/current/mapred_tutorial.html#Task+Execution+%26+Environment Map-Reduce Tutorial], the information below might not be the most accurate/updated. + = Hadoop Map/Reduce Task Execution Environment = Hadoop Map/Reduce tasks (the generic term for maps or reduces) run distributed across a cluster and most tasks don't care about their environment, because they only use the ''standard'' inputs and outputs from the API, but some tasks do care and this page documents the details.