Since it is a distributed database, cassandra can (and usually does) have multiple nodes A node represents a single instance of cassandra This is the official documentation for apache cassandra If you would like to contribute to this documentation, you are welcome to do so by submitting your contribution like any other patch following these instructions. Unmaintained older versions of cassandra are archived here The pgp keys used to sign releases are available in this keys file.
Read through the cassandra basics to learn main concepts and how cassandra works at a high level To understand cassandra in more detail, head over to the docs Browse through the case studies to learn how other users in our worldwide community are getting value out of cassandra. Additional information this section covers how to get started using apache cassandra and should be the first thing to read if you are new to cassandra. This initial design implemented a combination of amazon’s dynamo distributed storage and replication techniques and google’s bigtable data and storage engine model. This collection called cassandra aims at providing all ansible modules allowing to interact with apache cassandra
