Cassandra Monique Batie

Apache cassandra is an open source nosql distributed database trusted by thousands of companies for scalability and high availability without compromising performance. Oct 29, 2025you can start cassandra with sudo service cassandra start and stop it with sudo service cassandra stop. 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. 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. 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. Apache cassandra powers mission-critical deployments with improved performance and unparalleled levels of scale in the cloud.

Cassandra 5.0 introduces vector search, which leverages storage-attached indexing and dense indexing techniques to transform data exploration and analysis. Cassandra was initially designed at facebook using a staged event-driven architecture (seda).