Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 12611 invoked from network); 17 Apr 2010 13:46:40 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 17 Apr 2010 13:46:40 -0000 Received: (qmail 59534 invoked by uid 500); 17 Apr 2010 13:46:39 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 59511 invoked by uid 500); 17 Apr 2010 13:46:39 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 59503 invoked by uid 99); 17 Apr 2010 13:46:39 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 17 Apr 2010 13:46:39 +0000 X-ASF-Spam-Status: No, hits=1.1 required=10.0 tests=AWL,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of mason@onespot.com designates 74.125.83.44 as permitted sender) Received: from [74.125.83.44] (HELO mail-gw0-f44.google.com) (74.125.83.44) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 17 Apr 2010 13:46:35 +0000 Received: by gwj19 with SMTP id 19so1023053gwj.31 for ; Sat, 17 Apr 2010 06:46:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.90.106.19 with HTTP; Sat, 17 Apr 2010 06:46:13 -0700 (PDT) In-Reply-To: References: <4BC88D97.7050104@gmail.com> Date: Sat, 17 Apr 2010 08:46:13 -0500 Received: by 10.91.48.1 with SMTP id a1mr1734490agk.9.1271511973940; Sat, 17 Apr 2010 06:46:13 -0700 (PDT) Message-ID: Subject: Re: Regarding Cassandra Scalability From: Mason Hale To: "user@cassandra.apache.org" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On Saturday, April 17, 2010, dir dir > I want to ask to the advance user or experience software developer in thi= s forum, > why tweeter.com choose Cassandra? would you tell me the reason behind > the decision of tweeter.com (from the feature and technical aspect)??=A0 = Why tweeter.com did not > use Oracle 11g or Db4o for example? (please omit the oracle 11g fee licen= se because > we shall discuss from the feature and technical aspect). Thank you. > > For clarification, I believe the site you are referring to is twitter.com (not tweeter.com). Only people at Twitter who made this decision can really explain the rationale behind it. This link should shed some light on the subject: http://engineering.twitter.com/2010/02/link-cassandra-at-twitter.html Mason --=20 Mason Hale http://www.onespot.com direct +1 800.618.0768 ext 701