Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 618D4D07E for ; Thu, 16 Aug 2012 06:21:11 +0000 (UTC) Received: (qmail 52274 invoked by uid 500); 16 Aug 2012 06:21:06 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 51912 invoked by uid 500); 16 Aug 2012 06:21:04 -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 51879 invoked by uid 99); 16 Aug 2012 06:21:03 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Aug 2012 06:21:03 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FSL_RCVD_USER,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of venkat.hadoop@gmail.com designates 209.85.160.48 as permitted sender) Received: from [209.85.160.48] (HELO mail-pb0-f48.google.com) (209.85.160.48) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Aug 2012 06:20:54 +0000 Received: by pbbrp16 with SMTP id rp16so1313656pbb.35 for ; Wed, 15 Aug 2012 23:20:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:from:content-type:x-mailer:message-id:date:to :content-transfer-encoding:mime-version; bh=mDsiCmiZK/wUBpL3Nuberf3DY0OAXv/RtPUz+Nm4Z5g=; b=Mam3JEtGWs4K7UXU+aVSi18JT+qukT/rZEnX17RznlP4sIVcnAFOSLp8e8QszhTX3M lOUl2bxqqRkKNk5l7oMKzt7qsDLCSoQehRjFSWmFUZi6bJnEG1fVgXvg3j7skSwsmVi2 Xv1p81U8KBHUAnucmCJnsCReiiofv+fPPFrnKsvClXAOaYE1LJl1k8a7GzQRA9oAv0Bx FZPzYvtwGbTwbU+fbuqMXgQVyDbJ/eTsx/5C24zVrBcP2cUCf8cZB0sziSLqIOUfXNSl WIaQ/OxaA3pPuwEqNDe+UwktM7EbExyvncU5V0sWS7zVzBEOWuHaUTgUnxIxQnU3IknB oqjw== Received: by 10.68.129.38 with SMTP id nt6mr1149808pbb.76.1345098033685; Wed, 15 Aug 2012 23:20:33 -0700 (PDT) Received: from [172.16.1.100] (c-67-161-9-156.hsd1.ca.comcast.net. [67.161.9.156]) by mx.google.com with ESMTPS id pj8sm1990688pbb.60.2012.08.15.23.20.31 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 15 Aug 2012 23:20:32 -0700 (PDT) Subject: Running zookeeper and name node on same box From: Venkat Hadoop Content-Type: text/plain; charset=us-ascii X-Mailer: iPad Mail (9B206) Message-Id: Date: Wed, 15 Aug 2012 23:20:30 -0700 To: "user@hadoop.apache.org" Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) Hi all, We have 48gb nn machine for our cluster. It isn't very heavily used. Proje= cted mem is less than 20% We now plan to have 3 zookeeper servers. Is it a= dvisable to run zk process along here name node process for production? What factors do I need to look into to decide if this an option for us?=20 Thanks. VV=