Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 40710 invoked from network); 20 Mar 2008 18:09:13 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 20 Mar 2008 18:09:13 -0000 Received: (qmail 56685 invoked by uid 500); 20 Mar 2008 18:09:07 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 56655 invoked by uid 500); 20 Mar 2008 18:09:07 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 56646 invoked by uid 99); 20 Mar 2008 18:09:07 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Mar 2008 11:09:07 -0700 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of tom.e.white@gmail.com designates 209.85.198.188 as permitted sender) Received: from [209.85.198.188] (HELO rv-out-0910.google.com) (209.85.198.188) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Mar 2008 18:08:28 +0000 Received: by rv-out-0910.google.com with SMTP id g11so881075rvb.29 for ; Thu, 20 Mar 2008 11:08:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=0/60ZzH9+NjvXA2jwiaCkflk4pDnMCsGQNt5oUkdpg8=; b=M454CwO+fH2NRXAjd1VRoTkz1Za1FmszKdZBpl9d57AIoJBfkTpEuO+sbpRxzhmvgNzptTeu+LaphLtqd+s0nawZAB/rR/H4AKi2HtNIL3oa5KexCAX/GXKebNOdePFb316mduWi8b90kxF1Ga1YisUVzOdCoOlUU+t9ejaFRVg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=aCUgSGcmNm6NEpEK96hhBqx7AZ2GNia38RynTeN3xRKtUzqa3lXWn36wMN7S2CziYaf10Rb69k710tKT4ViCWA6LNCGQ9QhhRyZOJUs8r9kor21FEyocCgxgfEn0ZRmzYNb1HVw+U/pCE2oAzY79Gl0wigTgRM2ICGRfGz9aDv0= Received: by 10.140.174.11 with SMTP id w11mr959182rve.17.1206036519047; Thu, 20 Mar 2008 11:08:39 -0700 (PDT) Received: by 10.141.132.6 with HTTP; Thu, 20 Mar 2008 11:08:39 -0700 (PDT) Message-ID: Date: Thu, 20 Mar 2008 18:08:39 +0000 From: "Tom White" To: core-user@hadoop.apache.org Subject: Re: Hadoop on EC2 for large cluster In-Reply-To: <50690.41425.qm@web62306.mail.re1.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <50690.41425.qm@web62306.mail.re1.yahoo.com> X-Virus-Checked: Checked by ClamAV on apache.org Yes, this isn't ideal for larger clusters. There's a jira to address this: https://issues.apache.org/jira/browse/HADOOP-2410. Tom On 20/03/2008, Prasan Ary wrote: > Hi All, > I have been trying to configure Hadoop on EC2 for large number of clusters ( 100 plus). It seems that I have to copy EC2 private key to all the machines in the cluster so that they can have SSH connections. > For now it seems I have to run a script to copy the key file to each of the EC2 instances. I wanted to know if there is a better way to accomplish this. > > Thanks, > > PA > > > > --------------------------------- > Never miss a thing. Make Yahoo your homepage. -- Blog: http://www.lexemetech.com/