Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 7D8A57B0E for ; Fri, 23 Dec 2011 17:24:33 +0000 (UTC) Received: (qmail 41999 invoked by uid 500); 23 Dec 2011 17:24:29 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 41961 invoked by uid 500); 23 Dec 2011 17:24:29 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 41953 invoked by uid 99); 23 Dec 2011 17:24:29 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 23 Dec 2011 17:24:29 +0000 X-ASF-Spam-Status: No, hits=2.9 required=5.0 tests=HTML_MESSAGE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [209.85.213.48] (HELO mail-yw0-f48.google.com) (209.85.213.48) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 23 Dec 2011 17:24:20 +0000 Received: by yhpp56 with SMTP id p56so7437061yhp.35 for ; Fri, 23 Dec 2011 09:23:59 -0800 (PST) MIME-Version: 1.0 Received: by 10.236.148.235 with SMTP id v71mr22865109yhj.6.1324661039658; Fri, 23 Dec 2011 09:23:59 -0800 (PST) Received: by 10.236.208.161 with HTTP; Fri, 23 Dec 2011 09:23:59 -0800 (PST) X-Originating-IP: [66.108.66.5] Date: Fri, 23 Dec 2011 12:23:59 -0500 Message-ID: Subject: 1gig or 10gig network for cluster? From: Koert Kuipers To: common-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=20cf303a328db7773804b4c5ae44 X-Virus-Checked: Checked by ClamAV on apache.org --20cf303a328db7773804b4c5ae44 Content-Type: text/plain; charset=ISO-8859-1 For a hadoop cluster that starts medium size (50 nodes) but could grow to hundred of nodes, what is the recommended network in the rack? 1gig or 10gig We have machines with 8 cores, 4 X 1tb drive (could grow to 8 X 1b drive), 48 Gb ram per node. We expect "balanced" usage of the cluster (both storage and computations). Thanks for your input, Koert --20cf303a328db7773804b4c5ae44--