Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 77836 invoked from network); 18 Jun 2009 16:30:50 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 18 Jun 2009 16:30:50 -0000 Received: (qmail 20006 invoked by uid 500); 18 Jun 2009 16:30:59 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 19920 invoked by uid 500); 18 Jun 2009 16:30:59 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 19910 invoked by uid 99); 18 Jun 2009 16:30:59 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Jun 2009 16:30:59 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of wasimbari@msn.com designates 65.54.246.167 as permitted sender) Received: from [65.54.246.167] (HELO bay0-omc2-s31.bay0.hotmail.com) (65.54.246.167) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Jun 2009 16:30:47 +0000 Received: from BAY102-DS2 ([64.4.61.88]) by bay0-omc2-s31.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Thu, 18 Jun 2009 09:30:26 -0700 X-Originating-IP: [78.50.94.47] X-Originating-Email: [wasimbari@msn.com] Message-ID: From: "Wasim Bari" To: Subject: Read/write dependency wrt total data size on hdfs Date: Thu, 18 Jun 2009 18:30:32 +0200 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0155_01C9F042.DD202930" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8064.206 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8064.206 X-OriginalArrivalTime: 18 Jun 2009 16:30:26.0534 (UTC) FILETIME=[1606B860:01C9F032] X-Virus-Checked: Checked by ClamAV on apache.org ------=_NextPart_000_0155_01C9F042.DD202930 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, I am storing data on a HDFS cluster(4 machines). I have seen that = read/write is not very much effected with the size of data on HDFS = (Total data size of HDFS). I have used=20 20-30% of cluster and didn't completely filled it. Can someone explain = me why its so and HDFS promises such feature or I am missing some stuff? Thanks, wasim ------=_NextPart_000_0155_01C9F042.DD202930--