Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 13077 invoked from network); 3 Mar 2010 13:24:43 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 3 Mar 2010 13:24:43 -0000 Received: (qmail 52211 invoked by uid 500); 3 Mar 2010 13:24:36 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 52197 invoked by uid 500); 3 Mar 2010 13:24:36 -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 52189 invoked by uid 99); 3 Mar 2010 13:24:36 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 03 Mar 2010 13:24:36 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 74.125.82.175 as permitted sender) Received: from [74.125.82.175] (HELO mail-wy0-f175.google.com) (74.125.82.175) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 03 Mar 2010 13:24:29 +0000 Received: by wyf28 with SMTP id 28so711888wyf.6 for ; Wed, 03 Mar 2010 05:24:08 -0800 (PST) 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 :from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=s7hH+8KiVlYXv35LM7hr6/4RHSBiHCi5XlYW5bb6dU0=; b=kIpgnz4E2aWpmRY1sK7JwysvvaqlzNgsni/Xzm00U0WX+dX8hnY5tP83cd4Zhlgm9Z /hRUAtCRYwpxhpHS3dL0q8H7RY/y5me4GUU1bYwedIikDsnKeTbRy8+SMs6DGXFgtsbf xhbI1N0ymCwE7xch2r5a+GLeWVoBed5QFo9Ms= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; b=povQeMMoVncpv5ltm02stQ6I2Q50cyR8SIq+cx8TJcSan8TOjlSkuKptw4hmkNBCPI DF1tRbzVx9b23qBUVfQxd1RfOjj5OMwRNXDOGNTTRKFq7DZz5Z5qkjufGmOqTW7fUFD2 1YiWoxZDX40YqtyNyEFlK3Jey+HIXIjuO7uUU= MIME-Version: 1.0 Received: by 10.216.185.75 with SMTP id t53mr4904274wem.208.1267622648215; Wed, 03 Mar 2010 05:24:08 -0800 (PST) In-Reply-To: <87aauplf5e.fsf@lifelogs.com> References: <87aauplf5e.fsf@lifelogs.com> From: Jonathan Ellis Date: Wed, 3 Mar 2010 07:23:48 -0600 Message-ID: Subject: Re: why have ColumnFamilies? To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable http://issues.apache.org/jira/browse/CASSANDRA-598 2010/3/3 Ted Zlatanov : > I don't understand the advantages of ColumnFamilies over a > SuperColumnFamily with just one supercolumn. =A0Why have the former if th= e > latter is functionally equivalent? > > Thanks > Ted > >