I studied Cassandra in detail and currently working in hbase. There are lots of differences, yet similarities between Cassandra and HBase, for HBase data model/arch, there are two articles from lars george which might be really helpful to you, http://www.larsgeorge.com/2009/10/hbase-architecture-101-storage.html http://www.larsgeorge.com/2010/01/hbase-architecture-101-write-ahead-log.html
Have a great time with hbase Regards Akash Deep Shakya "OpenAK" FOSS Nepal Community akashakya at gmail dot com ~ Failure to prepare is preparing to fail ~ On Thu, Jul 8, 2010 at 11:19 AM, Jeff Zhang <[email protected]> wrote: > 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 >
