From user-return-3974-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Tue Apr 06 16:51:22 2010 Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 60932 invoked from network); 6 Apr 2010 16:51:22 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 6 Apr 2010 16:51:22 -0000 Received: (qmail 54965 invoked by uid 500); 6 Apr 2010 16:51:22 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 54829 invoked by uid 500); 6 Apr 2010 16:51:21 -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 54820 invoked by uid 99); 6 Apr 2010 16:51:21 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Apr 2010 16:51:21 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of ryan@twitter.com designates 74.125.92.25 as permitted sender) Received: from [74.125.92.25] (HELO qw-out-2122.google.com) (74.125.92.25) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Apr 2010 16:51:14 +0000 Received: by qw-out-2122.google.com with SMTP id 8so23751qwh.61 for ; Tue, 06 Apr 2010 09:50:52 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.33.7 with HTTP; Tue, 6 Apr 2010 09:50:51 -0700 (PDT) In-Reply-To: References: Date: Tue, 6 Apr 2010 09:50:51 -0700 Received: by 10.229.232.198 with SMTP id jv6mr86087qcb.11.1270572652053; Tue, 06 Apr 2010 09:50:52 -0700 (PDT) Message-ID: Subject: Re: if cassandra isn't ideal for keep track of counts, how does digg count diggs? From: Ryan King To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org They don't use cassandra for it yet. -ryan On Tue, Apr 6, 2010 at 9:00 AM, S Ahmed wrote: > From what I read in another thread, Cassandra isn't used for isn't 'ideal= ' > for keeping track of counts. > For example, I would undertand this to mean keeping track of which storie= s > were dugg. > If this is true, how would a site like digg keep track of the 'dugg' > counter? > Also, I am assuming with eventual consistancy the number *may* not be 100= % > accurate. =A0If you wanted it to be accurate, would you just use the Quor= om > flag? (I believe quorom is to ensure all writes are written to disk)