What is Apache Cassandra? Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability without …

Welcome to Apache Cassandra’s documentation! This is the official documentation for Apache Cassandra. If you would like to contribute to this documentation, you are …

Cassandra is a NoSQL distributed database. By design, NoSQL databases are lightweight, open-source, non-relational, and largely distributed. Counted among their strengths …

The Cassandra Query Language (CQL) is very similar to SQL but suited for the JOINless structure of Cassandra.

Apache Cassandra was designed as a best-in-class combination of both systems to meet emerging large scale, both in data footprint and query volume, storage requirements. …

Apr 16, 2026 · You can start Cassandra with sudo service cassandra start and stop it with sudo service cassandra stop. However, normally the service will start automatically. …

Cassandra Cloud Offerings Amazon Keyspaces (for Apache Cassandra): Scalable, highly available, and managed Apache Cassandra–compatible database service.

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® 5.0: Moving Toward an AI-Driven Future Cassandra 5.0 is coming soon! We are excited about the upcoming availability of Apache Cassandra 5.0, the …

The Cassandra storage engine is optimized for high performance, write-oriented workloads. The architecture is based on Log Structured Merge (LSM) trees, which utilize an …