Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 98364 invoked from network); 10 Aug 2010 13:46:58 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 10 Aug 2010 13:46:58 -0000 Received: (qmail 99729 invoked by uid 500); 10 Aug 2010 13:46:55 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 99575 invoked by uid 500); 10 Aug 2010 13:46:53 -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 99564 invoked by uid 99); 10 Aug 2010 13:46:52 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Aug 2010 13:46:52 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [68.142.206.153] (HELO web33504.mail.mud.yahoo.com) (68.142.206.153) by apache.org (qpsmtpd/0.29) with SMTP; Tue, 10 Aug 2010 13:46:45 +0000 Received: (qmail 60470 invoked by uid 60001); 10 Aug 2010 13:46:24 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1281447983; bh=SPCCvFbk/koP1lVBPHtAUonaVtwKNih5mus7SdZ57nM=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=S2pQi944bGhUE8om3woR4B1s6OAOwg+wJtJeO5+LxnosRFyOAw7mCFytFJTOWMKhNN+9bsIJj6AgUo0f2RmL5CPq2crQlwArmwSfDs8Nx7UrpkRDJB/Z6bmaswYUgsqsB7QR2lrzP5Jigf2tVAIIwewgtkcQYAxXdf0SkPNG4l8= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=O2l6rXa0qWhmCPcokxQvilwqMrLIU3c5U3pOhD69XI3zesZQtHgcUlBRAaqz1mXyU2efsTzy3X5LuJBYzTlJ8IgNjC7HBmPDKtONArQdfHt71gGr02ZzD7Kqk0sdfaHbmJ10XhgYdNza+KybDz8qNExLoKYltO1AJxuePRpnqbk=; Message-ID: <982106.53616.qm@web33504.mail.mud.yahoo.com> X-YMail-OSG: OcRxyM4VM1k3uebMM3oK.wX96nEczs0ihOlqafsorkqPXLH W3j8suGkXGTf9OYYWhRIGlcqffN6GRvVJZOAIOeC4Jlkn3GLAzI6Bio90EMJ 174QwiUiTsRWr1hIgF532N_jXdE3_PF2n6j4lNYpznpvhCv5ahjV7ZCdo91e s50UKxhg80u5xeq90EAdVFvn6dKchwyK2IxWHJW5kaoGAeDN7orkDGRJ.lOs pUoCUORdTtlDstqkOE1rC2qw6sFJvpYKUHXf0zGGxTC7zOp3yJIfd1cGFUEQ 3m1UZtWvyAewuZGHFxsHzy4D3ui9ymbg7At99GQ-- Received: from [71.135.191.232] by web33504.mail.mud.yahoo.com via HTTP; Tue, 10 Aug 2010 06:46:23 PDT X-Mailer: YahooMailRC/459 YahooMailWebService/0.8.105.279950 References: Date: Tue, 10 Aug 2010 06:46:23 -0700 (PDT) From: Raj V Subject: Best practices - Large Hadoop Cluster To: common-user@hadoop.apache.org In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1699693039-1281447983=:53616" --0-1699693039-1281447983=:53616 Content-Type: text/plain; charset=us-ascii I need to start setting up a large - hadoop cluster of 512 nodes . My biggest problem is the SSH keys. Is there a simpler way of generating and exchanging ssh keys among the nodes? Any best practices? If there is none, I could volunteer to do it, Raj --0-1699693039-1281447983=:53616--