Return-Path: X-Original-To: apmail-hadoop-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E75F5109F0 for ; Wed, 12 Mar 2014 05:32:33 +0000 (UTC) Received: (qmail 98385 invoked by uid 500); 12 Mar 2014 05:32:21 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 98258 invoked by uid 500); 12 Mar 2014 05:32:09 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 97215 invoked by uid 99); 12 Mar 2014 05:32:06 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Mar 2014 05:32:06 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of navaz.enc@gmail.com designates 74.125.82.173 as permitted sender) Received: from [74.125.82.173] (HELO mail-we0-f173.google.com) (74.125.82.173) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Mar 2014 05:32:02 +0000 Received: by mail-we0-f173.google.com with SMTP id w61so10918972wes.32 for ; Tue, 11 Mar 2014 22:31:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=Va/1PMicSU0hMaeV/mIy7zQE+Xps0PMAbOves8rAs1Y=; b=n3pGLcboTaL5Cg8SqCj7YsYtwkiKPEDXi8kC6nD6v9NXFFH9tUMv9lkFdmmRq5U5i1 LScyh7KQqqEeHDKk6h6y/ahJHYIXA+KkesQA359hDeTM7PPXGvjdqcCclWi8ApnjrjM+ 2pYmJQtAp0lEyYzPQ2Euz1KCCp/ty0ysTB81QH1qpvSHIMYxf53EM3S6zb42n5YE0V0X 7SwixGYFC6h4ft4m7wiFZG8jCUHPatImsgzX0U7OWne4xCpnbo393Py2JCvmiVzTrYN3 QJo8ntexs24oMxybhSFkcGHcdjjlrbcijxt7EtfutPSKutt9PrMrdLOJou+7CBwX6dHi llEA== MIME-Version: 1.0 X-Received: by 10.195.13.234 with SMTP id fb10mr181279wjd.50.1394602301041; Tue, 11 Mar 2014 22:31:41 -0700 (PDT) Received: by 10.217.61.74 with HTTP; Tue, 11 Mar 2014 22:31:41 -0700 (PDT) Date: Wed, 12 Mar 2014 00:31:41 -0500 Message-ID: Subject: In hadoop All racks belongs to same subnet ! From: navaz To: user Content-Type: multipart/alternative; boundary=047d7bb03afcc1b13f04f4622693 X-Virus-Checked: Checked by ClamAV on apache.org --047d7bb03afcc1b13f04f4622693 Content-Type: text/plain; charset=ISO-8859-1 Hi all Question regarding hadoop architecture . Generally in hadoop cluster nodes are placed in racks and all the nodes connected to top of the rack switch . And all these top of the rack switch connected by another switch or router ? Is all nodes in the cluster belong to same subnet ? Or hdfs write & read has to pass through internet ? Regards Navaz -- *Abdul Navaz* *Masters in Network Communications* *University of Houston* *Houston, TX - 77204-4020* *Ph - 281-685-0388* *fabdulnavaz@uh.edu* --047d7bb03afcc1b13f04f4622693 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi all=A0

Question regarding hadoop architecture . Generally = in hadoop cluster nodes are placed in racks and all the nodes connected to = top of the rack switch . And all these top of the rack switch connected by = another switch or router ?=A0
Is all nodes in the cluster belong to same subnet ? Or =A0hdfs write &= =A0read has to=A0pass through internet ?=A0

Regard= s
Navaz


--
Abdul Navaz
Masters in Network Communications
University of Houston
Houston, TX - 77204-4020
=
Ph -=A0281-685-0388


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