O'Reilly logo

Cassandra High Availability by Robbie Strickland

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Cassandra's architecture

Unlike either monolithic or master-slave designs, Cassandra makes use of an entirely peer-to-peer architecture. All nodes in a Cassandra cluster can accept reads and writes, no matter where the data being written or requested actually belongs in the cluster. Internode communication takes place by means of a gossip protocol, which allows all nodes to quickly receive updates without the need for a master coordinator.

This is a powerful design, as it implies that the system itself is both inherently available and massively scalable. Consider the following diagram:

Cassandra's architecture

Note that in contrast to the monolithic and master-slave architectures, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required