Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 32288 invoked from network); 2 Oct 2009 00:42:28 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 2 Oct 2009 00:42:28 -0000 Received: (qmail 45767 invoked by uid 500); 2 Oct 2009 00:42:28 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 45748 invoked by uid 500); 2 Oct 2009 00:42:28 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 45729 invoked by uid 99); 2 Oct 2009 00:42:28 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 02 Oct 2009 00:42:28 +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 jbellis@gmail.com designates 209.85.218.226 as permitted sender) Received: from [209.85.218.226] (HELO mail-bw0-f226.google.com) (209.85.218.226) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 02 Oct 2009 00:42:17 +0000 Received: by bwz26 with SMTP id 26so579145bwz.12 for ; Thu, 01 Oct 2009 17:40:56 -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 :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=2T3y5rqlOr2Cx/vGGH2pEZvk19+tvFc7AIVXQqQnANo=; b=Zd8MBWGBYroJY/pL8PrX9dFTuU8pgprTKi1JM5HDf+cbbCT0TjDls2tKy8+K/hLdGJ 2O3oU33joAeY+zUdvHyqj8mu0AeJ3AwSc+0mAsRxhciKc/P28tN8v4k2FEqvTTXrLGOv PaxoFgrR6A+uSMZ2mEj46dhSqblOD+hOr75xk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=BnArBrN5nqRoCUY00vqr35xycbyvoWH3BSMvImu19zatuSImOLi+nHjWNxrqS4mjxe nEyEl4f6tUpyjlmiZOEYTGvAkSxme0x9c1DYemaAjjVy9YeJB0mMgsZ+xREvHtREVJfn XwxEyp844ekhNRlnLmkzwOdVBxb+l1fRPbFVA= MIME-Version: 1.0 Received: by 10.204.10.2 with SMTP id n2mr583979bkn.91.1254444056828; Thu, 01 Oct 2009 17:40:56 -0700 (PDT) In-Reply-To: References: Date: Thu, 1 Oct 2009 19:40:56 -0500 Message-ID: Subject: Re: cassandra as permanent datastore From: Jonathan Ellis To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org I would say, not stupid at all, with the caveat that it sounds like you will want to use Hadoop for reporting and we are still working on Hadoop support. But that is probably a man-week or two of work, just waiting for someone to need it badly enough to write it. :) -Jonathan On Thu, Oct 1, 2009 at 5:31 PM, Joe Van Dyk wrote= : > Hi, > > How stupid would it be to use cassandra as a permanent datastore? > > Say I have a service that tracks clicks on ads running on other sites. > =A0I'd need to keep track of who clicked what when and where. =A0And run > reports on it. =A0Cassandra is attractive because of the built-in > replication and the high write availability. > > > > -- > Joe Van Dyk > http://fixieconsulting.com >