Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9947110FB5 for ; Sun, 26 Jan 2014 06:23:55 +0000 (UTC) Received: (qmail 53562 invoked by uid 500); 26 Jan 2014 06:23:47 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 53075 invoked by uid 500); 26 Jan 2014 06:23:34 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 53066 invoked by uid 99); 26 Jan 2014 06:23:32 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 26 Jan 2014 06:23:32 +0000 X-ASF-Spam-Status: No, hits=0.0 required=5.0 tests=MIME_BASE64_BLANKS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [210.83.25.69] (HELO mailgate.neusoft.com) (210.83.25.69) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 26 Jan 2014 06:23:27 +0000 X-IronPort-AV: E=McAfee;i="5400,1158,7329"; a="132020831" Received: from unknown (HELO mailgate8.neusoft.com) ([192.168.1.132]) by mailgate.neusoft.com with ESMTP/TLS/DES-CBC3-SHA; 26 Jan 2014 14:22:04 +0800 Received: from unknown (HELO smtp.neusoft.com) ([192.168.2.142]) by mailgate8.neusoft.com with ESMTP/TLS/AES128-SHA; 26 Jan 2014 14:22:03 +0800 Received: from neusofte4edc94 (192.168.131.63) by smtp.neusoft.com (192.168.2.142) with Microsoft SMTP Server (TLS) id 14.2.247.3; Sun, 26 Jan 2014 14:22:03 +0800 Message-ID: From: EdwardKing To: References: <33FA4A364FC645E7A20793AF770BECBD@neusofte4edc94> Subject: question about hadoop dfs Date: Sun, 26 Jan 2014 14:22:21 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Originating-IP: [192.168.131.63] Content-Transfer-Encoding: base64 X-Virus-Checked: Checked by ClamAV on apache.org SSB1c2UgSGFkb29wMi4yLjAgdG8gY3JlYXRlIGEgbWFzdGVyIG5vZGUgYW5kIGEgc3ViIG5vZGUs bGlrZSBmb2xsb3dzOg0KDQpMaXZlIERhdGFub2RlcyA6IDINCk5vZGUgIFRyYW5zZmVycmluZyBB ZGRyZXNzICBMYXN0IENvbnRhY3QgIEFkbWluIFN0YXRlICBDb25maWd1cmVkIENhcGFjaXR5IChH QikgIFVzZWQoR0IpICBOb24gREZTIFVzZWQgKEdCKSAgUmVtYWluaW5nKEdCKSAgVXNlZCglKSAg DQptYXN0ZXIgMTcyLjExLjEyLjY6NTAwMTAgICAgICAgICAxICAgICAgICAgICAgICAgIEluIFNl cnZpY2UgICAgICAgICAgIDE2LjE1ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgMC4wMCAg ICAgICAgICAgICAgMi43NiAgICAgICAgICAgICAgICAgICAgICAgIDEzLjM5ICAgICAgICAgICAg ICAgICAwLjAwDQpub2RlMSAxNzIuMTEuMTIuNzo1MDAxMCAgICAgICAgIDAgICAgICAgICAgICAg ICAgIEluIFNlcnZpY2UgICAgICAgICAgIDE2LjE1ICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAwLjAwICAgICAgICAgICAgICAgMi43NSAgICAgICAgICAgICAgICAgICAgICAgIDEzLjQwICAg ICAgICAgICAgICAgICAwLjAwDQoNClRoZW4gSSBjcmVhdGUgYSBhYmMudHh0IGZpbGUgb24gbWFz dGVyIDE3Mi4xMS4xMi42DQpbaGFkb29wQG1hc3RlciB+XSQgcHdkDQovaG9tZS9oYWRvb3ANClto YWRvb3BAbWFzdGVyIH5dJCBlY2hvICJUaGlzIGlzIGEgdGVzdC4iID4+IGFiYy50eHQNCltoYWRv b3BAbWFzdGVyIH5dJCBoYWRvb3AgZGZzIC1jb3B5RnJvbUxvY2FsIHRlc3QudHh0DQpbaGFkb29w QG1hc3RlciB+XSQgaGFkb29wIGRmcyAtbHMNCkRFUFJFQ0FURUQ6IFVzZSBvZiB0aGlzIHNjcmlw dCB0byBleGVjdXRlIGhkZnMgY29tbWFuZCBpcyBkZXByZWNhdGVkLg0KSW5zdGVhZCB1c2UgdGhl IGhkZnMgY29tbWFuZCBmb3IgaXQuDQoNCjE0LzAxLzI1IDIyOjA3OjAwIFdBUk4gdXRpbC5OYXRp dmVDb2RlTG9hZGVyOiBVbmFibGUgdG8gbG9hZCBuYXRpdmUtaGFkb29wIGxpYnJhcnkgZm9yIHlv dXIgcGxhdGZvcm0uLi4gdXNpbmcgYnVpbHRpbi1qYXZhIGNsYXNzZXMgd2hlcmUgYXBwbGljYWJs ZQ0KRm91bmQgMSBpdGVtcw0KLXJ3LXItLXItLSAgIDIgaGFkb29wIHN1cGVyZ3JvdXAgICAgICAg ICAxNiAyMDE0LTAxLTI1IDIxOjM2IGFiYy50eHQNCg0KW2hhZG9vcEBtYXN0ZXIgfl0kIHJtIGFi Yy50eHQNCltoYWRvb3BAbWFzdGVyIH5dJCBoYWRvb3AgZGZzIC1jYXQgYWJjLnR4dA0KVGhpcyBp cyBhIHRlc3QuDQoNCk15IHF1ZXN0aW9uIGlzOg0KMS4gSXMgc3VwZXJncm91cCBhIGRpcmVjdG9y eT8gIFdoZXJlIGRvZXMgaXQgbG9jYXRlPw0KMi4gSSBzZWFyY2ggYWJjLnR4dCBvbiBtYXN0ZXIg MTcyLjExLjEyLjYgYW5kIG5vZGUxIDE3Mi4xMS4xMi43IGJ5IGZvbGxvd2luZyBjb21tYW5kOg0K W2hhZG9vcEBtYXN0ZXIgfl0kIGZpbmQgLyAtbmFtZSBhYmMudHh0IA0KQnV0IEkgZG9uJ3QgZmlu ZCBhYmMudHh0IGZpbGUuIFdoZXJlIGlzIHRoZSBmaWxlIGFiYy50eHQ/IEFmdGVyIEkgZXJhc2Ug aXQgYnkgcm0gY29tbWFuZCwgSSBzdGlsbCBjYXQgdGhpcyBmaWxlPyBXaGVyZSBpcyBpdD8gTXkg T1MgaXMgQ2VudE9TLTUuOC4NCg0KVGhhbmtzLgotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0KQ29uZmlkZW50aWFsaXR5IE5vdGljZTogVGhlIGluZm9ybWF0aW9uIGNv bnRhaW5lZCBpbiB0aGlzIGUtbWFpbCBhbmQgYW55IGFjY29tcGFueWluZyBhdHRhY2htZW50KHMp IAppcyBpbnRlbmRlZCBvbmx5IGZvciB0aGUgdXNlIG9mIHRoZSBpbnRlbmRlZCByZWNpcGllbnQg YW5kIG1heSBiZSBjb25maWRlbnRpYWwgYW5kL29yIHByaXZpbGVnZWQgb2YgCk5ldXNvZnQgQ29y cG9yYXRpb24sIGl0cyBzdWJzaWRpYXJpZXMgYW5kL29yIGl0cyBhZmZpbGlhdGVzLiBJZiBhbnkg cmVhZGVyIG9mIHRoaXMgY29tbXVuaWNhdGlvbiBpcyAKbm90IHRoZSBpbnRlbmRlZCByZWNpcGll bnQsIHVuYXV0aG9yaXplZCB1c2UsIGZvcndhcmRpbmcsIHByaW50aW5nLCAgc3RvcmluZywgZGlz Y2xvc3VyZSBvciBjb3B5aW5nIAppcyBzdHJpY3RseSBwcm9oaWJpdGVkLCBhbmQgbWF5IGJlIHVu bGF3ZnVsLklmIHlvdSBoYXZlIHJlY2VpdmVkIHRoaXMgY29tbXVuaWNhdGlvbiBpbiBlcnJvcixw bGVhc2UgCmltbWVkaWF0ZWx5IG5vdGlmeSB0aGUgc2VuZGVyIGJ5IHJldHVybiBlLW1haWwsIGFu ZCBkZWxldGUgdGhlIG9yaWdpbmFsIG1lc3NhZ2UgYW5kIGFsbCBjb3BpZXMgZnJvbSAKeW91ciBz eXN0ZW0uIFRoYW5rIHlvdS4gCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLQo=