Return-Path: X-Original-To: apmail-hadoop-common-dev-archive@www.apache.org Delivered-To: apmail-hadoop-common-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 66B8692BA for ; Sun, 9 Oct 2011 07:33:48 +0000 (UTC) Received: (qmail 54355 invoked by uid 500); 9 Oct 2011 07:33:46 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 54213 invoked by uid 500); 9 Oct 2011 07:33:42 -0000 Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-dev@hadoop.apache.org Delivered-To: mailing list common-dev@hadoop.apache.org Received: (qmail 54205 invoked by uid 99); 9 Oct 2011 07:33:39 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 09 Oct 2011 07:33:39 +0000 X-ASF-Spam-Status: No, hits=0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_NEUTRAL,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [98.139.90.230] (HELO nm3-vm0.bullet.mail.sp2.yahoo.com) (98.139.90.230) by apache.org (qpsmtpd/0.29) with SMTP; Sun, 09 Oct 2011 07:33:32 +0000 Received: from [98.139.91.67] by nm3.bullet.mail.sp2.yahoo.com with NNFMP; 09 Oct 2011 07:33:11 -0000 Received: from [208.71.42.195] by tm7.bullet.mail.sp2.yahoo.com with NNFMP; 09 Oct 2011 07:33:11 -0000 Received: from [127.0.0.1] by smtp206.mail.gq1.yahoo.com with NNFMP; 09 Oct 2011 07:33:11 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com.cn; s=s1024; t=1318145591; bh=R0mq3kcK4UQ6+RCXK1wPXpJsP02ynlgT1G74B7PN01Q=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Message-ID:Date:From:User-Agent:MIME-Version:To:Subject:Content-Type:Content-Transfer-Encoding; b=j6JUCn0+kg+3ftdIe2B3zNWCQ0D+atLXktHUIK3QNTEtGH+NPJh7XenOxI3X6oo8+ptuPJE3wb1pgAOUSwUheAcg0OwGQP1sPekgYrqyRCjyosMwckjNHqRoU2fxIitAGdF440BMyyU1vR2N7s7xSDWVy7KcvygcWE5OyOHkmSk= X-Yahoo-Newman-Id: 451606.80834.bm@smtp206.mail.gq1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: OZ6SWw8VM1mbUslMHwQzahl9hzAqplw8F7nIhtXEDEo4NJP x4OcsqNdehYjRWnYW6Z_Efh_j6upTYgfr30YQVEk4u06QUrYnoAtctlIRIbc kO.60RhWfrV958vBiB_YteLk68e0a3xuFHI6E8AhojT0QwN4YRme7LYXt3wl F20ICXAP6cvPV4qYxTmL2z3zZ5Wo5mIzK0xSnYfTd0CermtMMQECULNFAhK2 Bt17pozyzbRjT_u5DGnapcoxDrdnTk.KPsagywQe3f8pe0jPMX9ZyT2Bel4u c1GssZ8wljcoMNpcFQaGcRpa.TgXrQK8OX41ci1qAsVVwp.Nz1C3jWFunCsi b4lX6iSxT2gV4c1FoREomhVHziyco9jrJAlcv55kTaUdx6Jvhga.Ax1cx_rf YX4oD5dT37lelJ1PCd4zhFwIAjvaJ93NnlTb2vA-- X-Yahoo-SMTP: gJPwWGuswBAxhChkHcgX.6fmZ4PilUr1 Received: from [10.141.251.72] (gongsuochen@124.160.106.13 with plain) by smtp206.mail.gq1.yahoo.com with SMTP; 09 Oct 2011 00:33:10 -0700 PDT Message-ID: <4E914E30.5090607@yahoo.com.cn> Date: Sun, 09 Oct 2011 15:33:04 +0800 From: gschen User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: common-dev@hadoop.apache.org Subject: kfs and hdfs Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi everyone, I want to discuss a question and described as following: what is the differences between hdfs and kfs(kosmos file system)? Thanks in advance.