I don't have the URL handy, but just the other day I read some Cassandra/HBase blog post where Cassandra was described as having no SPOF, but somebody left some very "strong comments" calling out that and a few other claims as false. Ah, I remember, here is the URL:
http://blog.mozilla.com/data/2010/05/18/riak-and-cassandra-and-hbase-oh-my/ Otis---- Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch Hadoop ecosystem search :: http://search-hadoop.com/ ----- Original Message ---- > From: Jeff Zhang <[email protected]> > To: [email protected] > Sent: Thu, July 8, 2010 1:34:18 AM > Subject: Re: major differences with Cassandra > > HBase do not have super column family. > > And I can list the following major difference between hbase and cassandra ( > welcome any supplement) : > > 1. HBase is master-slave architecture, while cassandra has no master, and > you can consider it as p2p structure, and it has no single point of failure. > 2. HBase is strong consistency while cassandra is eventual consistency > (although you can tune it to be strong consistency) > > > On Thu, Jul 8, 2010 at 1:26 PM, S Ahmed <[email protected]> wrote: > > > Hello! > > > > I was hoping some has experiences with both Cassandra and HBase. > > > > What are the major differences between Cassandra and HBase? > > > > Does HBase have the concept of ColumnFamilies and SuperColumnFamilies like > > Cassandra? > > > > Where in the wiki does it go over designing a data model? > > > > > > thanks! > > > > > > -- > Best Regards > > Jeff Zhang >
