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 4C01C41D4 for ; Sun, 3 Jul 2011 02:12:21 +0000 (UTC) Received: (qmail 27881 invoked by uid 500); 3 Jul 2011 02:12:19 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 27767 invoked by uid 500); 3 Jul 2011 02:12:18 -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 27759 invoked by uid 500); 3 Jul 2011 02:12:18 -0000 Delivered-To: apmail-hadoop-core-dev@hadoop.apache.org Received: (qmail 27756 invoked by uid 99); 3 Jul 2011 02:12:18 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 03 Jul 2011 02:12:18 +0000 X-ASF-Spam-Status: No, hits=0.0 required=5.0 tests=FREEMAIL_FROM,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of lists@nabble.com designates 216.139.236.26 as permitted sender) Received: from [216.139.236.26] (HELO sam.nabble.com) (216.139.236.26) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 03 Jul 2011 02:12:12 +0000 Received: from isper.nabble.com ([192.168.236.156]) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1QdCA3-000444-9p for core-dev@hadoop.apache.org; Sat, 02 Jul 2011 19:11:51 -0700 Message-ID: <31981952.post@talk.nabble.com> Date: Sat, 2 Jul 2011 19:11:51 -0700 (PDT) From: Raja Nagendra Kumar To: core-dev@hadoop.apache.org Subject: Hadoop Master and Slave Discovery MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Nabble-From: Nagendra.Raja@tejasoft.com X-Virus-Checked: Checked by ClamAV on apache.org Hi, Instead of depending on local syncup to configuration files, would it be a nice way to adopt JINI Discovery model, where in masters and slaves can discover each other dynamically through a UDP broadcast/heart beat methods. This would mean, any machine can come up and say I am a slave and automatically discover the master and start supporting the master with in < x seconds. Regards, Raja Nagendra Kumar, C.T.O www.tejasoft.com -Hadoop Adoption Consulting -- View this message in context: http://old.nabble.com/Hadoop-Master-and-Slave-Discovery-tp31981952p31981952.html Sent from the Hadoop core-dev mailing list archive at Nabble.com.