Return-Path: Delivered-To: apmail-hadoop-general-archive@minotaur.apache.org Received: (qmail 59859 invoked from network); 12 May 2009 05:22:28 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 12 May 2009 05:22:28 -0000 Received: (qmail 31966 invoked by uid 500); 12 May 2009 05:22:27 -0000 Delivered-To: apmail-hadoop-general-archive@hadoop.apache.org Received: (qmail 31881 invoked by uid 500); 12 May 2009 05:22:27 -0000 Mailing-List: contact general-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: general@hadoop.apache.org Delivered-To: mailing list general@hadoop.apache.org Received: (qmail 31871 invoked by uid 99); 12 May 2009 05:22:27 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 May 2009 05:22:27 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of starrysl@gmail.com designates 209.85.142.185 as permitted sender) Received: from [209.85.142.185] (HELO ti-out-0910.google.com) (209.85.142.185) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 May 2009 05:22:18 +0000 Received: by ti-out-0910.google.com with SMTP id 28so312716tif.9 for ; Mon, 11 May 2009 22:21:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=inf1FNOdlnvCM36JGHfHGL+xQ+g7Amwe9WU3LIRYEZM=; b=NMLK6qAnnMa3vIwGBZEXDPSC9YO4H8VcAHDVOuhwUfKx4eA/qRSBWv3POjZx9qA/0P 2sb2GLOKwA/OnDBxkMon9/kGWXQdCI4nFD2Na4vbqmtxApQFOTTKGQ/6JQga24Aoqidm yRGVYkBOPjd3bW9dQ37lRiAW4ThbYqxcoMo5s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; b=uYfgWO8+SjrHdAZS8QFucBeIpZSynCxALs2cBt+Yk5BQGyre0qxS6VL2QdMg28MfYg eSHm1RvFoFAmtADHcq9nFl+xjleT7OaYTTwNvcDb0qE1IK9k46BTxkfRl0btAYGZA0iH uZcmJ+5q1h3DOYKm4ZDXXnUuJQl7Df2A685Sg= MIME-Version: 1.0 Received: by 10.110.95.11 with SMTP id s11mr512714tib.24.1242105716080; Mon, 11 May 2009 22:21:56 -0700 (PDT) In-Reply-To: <11bb374e0905090024r20492097x64fe81da4037bb2a@mail.gmail.com> References: <11bb374e0905090024r20492097x64fe81da4037bb2a@mail.gmail.com> From: Starry SHI Date: Tue, 12 May 2009 13:21:36 +0800 Message-ID: Subject: Re: A Question of Hadoop To: general@hadoop.apache.org, mingzong.lyu@gmail.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Hi, Dylan. About the second question, why do you need more than 2 namenode? I think one node for namenode is enough for processing, or the interaction and synchronization will be a big problem. Best regards, Starry /* Tomorrow is another day. So is today. */ On Sat, May 9, 2009 at 15:24, Dylan wrote: > Hi! My name is Ming-Zong.LYU. > I have setup Hadoop some advanced question. > > > first question: > Settings where time of death datanode? > Is dfs.heartbeat.interval? > Second question: > How to setup more than two namenode and how do I setup hfs? > How can i do? > > Can you help me ? >