Apache Cassandra Documentation v4.0

This documentation is currently a work-in-progress and contains a number of TODO sections. Contributions are welcome.

Main documentation


Getting started
Newbie friendly starting point

Operating Cassandra
The operator's corner

Cassandra Architecture
Cassandra's big picture

Cassandra's Tools
cqlsh, nodetool, ...

Data Modeling
Or how to make square pegs fit round holes

Troubleshooting
What to look for when you have a problem

Cassandra Query Language
CQL reference documentation

Cassandra Development
Learn how to improve Cassandra and contribute patches

FAQs
Frequently Asked Questions (with answers!)

Configuration
Cassandra's handles and knobs

Meta informations

Documentation for older releases

The Cassandra Query Language (CQL) documentation for older releases are: