Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 30322 invoked from network); 1 Mar 2010 10:41:41 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 1 Mar 2010 10:41:41 -0000 Received: (qmail 79334 invoked by uid 500); 1 Mar 2010 10:41:41 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 79276 invoked by uid 500); 1 Mar 2010 10:41:40 -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 79268 invoked by uid 99); 1 Mar 2010 10:41:40 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 01 Mar 2010 10:41:40 +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 (athena.apache.org: domain of rantav@gmail.com designates 209.85.219.210 as permitted sender) Received: from [209.85.219.210] (HELO mail-ew0-f210.google.com) (209.85.219.210) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 01 Mar 2010 10:41:33 +0000 Received: by ewy2 with SMTP id 2so1119853ewy.20 for ; Mon, 01 Mar 2010 02:41:12 -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 :date:message-id:subject:from:to:content-type; bh=zqgbSUlV/V2V3gTYfcj50xvPgNTISADN157eUPSZwTA=; b=ljL0OfzcYCXNkkVjmFuU57HrG1S4rCTPhKsXpNxYP5C/HBL+UL9YVwQOf8Zj+wNJ1t 2YhXmyAVY2RBuWx8IG/hpM15Bw6hW4ArESnPy+Zm/R+khPSHJ8VgZ8HQJskKl0PeHaEv Js4p6nIPn7Dt2kVuV3OsdVIsOfdIDj89Ej0ec= 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; b=MRwOW1o4iL3I/ecGd6Ch5Nybzl+MH6WTiK+UbpVC6VpyKiO1rEZSRoaNo6kkY9c3mO CvnlVFIjRqUCFp7V7AKzlIQz3N+2XgX1nRaGCBvW1FnYdNyg5u6cMfkJlN+vz9KKax74 az7d9+id3R98TPM+ry1l+gLM4WCS9VwayovsQ= MIME-Version: 1.0 Received: by 10.213.68.139 with SMTP id v11mr2883245ebi.32.1267440071843; Mon, 01 Mar 2010 02:41:11 -0800 (PST) In-Reply-To: <1267439187400-4653418.post@n2.nabble.com> References: <1267439187400-4653418.post@n2.nabble.com> Date: Mon, 1 Mar 2010 12:41:11 +0200 Message-ID: Subject: Re: Is Cassandra a document based DB? From: Ran Tavory To: cassandra-user@incubator.apache.org Content-Type: multipart/alternative; boundary=00c09f79643a41a08c0480bae383 --00c09f79643a41a08c0480bae383 Content-Type: text/plain; charset=UTF-8 Cassandra is a column oriented db, similar to bigtables data model and to hbase's data mode (although implementations differ) hbase, btw, isn't a map-reduce implementation, you probably meant hadoop In version 6 cassandra will add support for hadoop so it'll have mapr, but it's not the core of cassandra (current version is 5). On Mon, Mar 1, 2010 at 12:26 PM, HHB wrote: > > Hey, > How Cassandra differs from MongoDB and CouchDB? > It seems to me that Cassandra looks like Map/Reduce implementation (like > HBase). > It is not a document based data base like MongoDB or CouchDB. > Am I right? > Thanks for help and time. > -- > View this message in context: > http://n2.nabble.com/Is-Cassandra-a-document-based-DB-tp4653418p4653418.html > Sent from the cassandra-user@incubator.apache.org mailing list archive at > Nabble.com. > --00c09f79643a41a08c0480bae383 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Cassandra is a column oriented db, similar to bigtables da= ta model and to hbase's data mode (although implementations differ)hbase, btw, isn't a map-reduce implementation, you probably meant hado= op
In version 6 cassandra will add support for hadoop so it'll have m= apr, but it's not the core of cassandra (current version is 5).

=
On Mon, Mar 1, 2010 at 12:26 PM, HHB <hubaghdadi@yahoo.ca= > wrote:

Hey,
How Cassandra differs from MongoDB and CouchDB?
It seems to me that Cassandra looks like Map/Reduce implementation (like HBase).
It is not a document based data base like MongoDB or CouchDB.
Am I right?
Thanks for help and time.
--
View this message in context: http://n2.nab= ble.com/Is-Cassandra-a-document-based-DB-tp4653418p4653418.html
Sent from the cassan= dra-user@incubator.apache.org mailing list archive at Nabble.com.

--00c09f79643a41a08c0480bae383--