Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 14894 invoked from network); 22 Jul 2010 14:53:22 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 22 Jul 2010 14:53:22 -0000 Received: (qmail 25691 invoked by uid 500); 22 Jul 2010 14:53:19 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 25558 invoked by uid 500); 22 Jul 2010 14:53:18 -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 25550 invoked by uid 99); 22 Jul 2010 14:53:17 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 22 Jul 2010 14:53:17 +0000 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of kengoodhope@gmail.com designates 74.125.83.176 as permitted sender) Received: from [74.125.83.176] (HELO mail-pv0-f176.google.com) (74.125.83.176) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 22 Jul 2010 14:53:11 +0000 Received: by pvc21 with SMTP id 21so6066215pvc.35 for ; Thu, 22 Jul 2010 07:51:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=PdouRhKJHkHFAK9Y6iabMF1WwMwAXsGLAXMphkngwnw=; b=I1JpXYRRw7gIpyi+2O4B/o5STRDWEM07HiCSbcyz1XNUlyyaXhQv6h8HT7ahEJusFv zsYvkC3lh/qcu7akFEzM5iCrVTvJdgulirs+VQmzfguOB3quDX0JmOb1TcJqKugKRy+R hwb4mhbRSlHWFjxKwWevggOArkWZ2R/UbTGoM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=KjT6kakYX9tEhw0xNPJ2XCOR+YjlVbEh+8OYVW9Azqig/v5iTeZypYDsBw7lfBv0L3 JBJVoxdUmFbKqOxr7ghl8ABC2wge1xpW+oLOVwW4ROZgMC+SUbjhe7XuLs9EGMMHiqmQ G8naQJlxmuuaku+3PZBlSnGFjQAIkWOYCusFA= MIME-Version: 1.0 Received: by 10.142.169.12 with SMTP id r12mr2402067wfe.305.1279810309463; Thu, 22 Jul 2010 07:51:49 -0700 (PDT) Received: by 10.142.245.2 with HTTP; Thu, 22 Jul 2010 07:51:49 -0700 (PDT) In-Reply-To: <20100722143758.xspfl3dekg40oswc@webmail3.it-sudparis.eu> References: <20100722143758.xspfl3dekg40oswc@webmail3.it-sudparis.eu> Date: Thu, 22 Jul 2010 07:51:49 -0700 Message-ID: Subject: Re: adding new node to hadoop cluster From: Ken Goodhope To: common-user@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org The slaves file is only envoked for the start and stop scripts. If you want to add a node to cluster without restarting it, just ssh to the node and use the hadoop-daemon.sh script. The options you want are start datanode and start tasktracker. On 7/22/10, Khaled BEN BAHRI wrote: > Hi, > > I want to add a new data node to my hadoop cluster, but the problem > when add it in configuration files, i have ti restart deamons of > hadoop to know that is a new data node added to cluster. > > please can any one know how to add new nodes without needing to > restart hadoop. > > thanks in advance fo help > > Best regards > khaled > >