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 welcome to do so by submitting your contribution like any other patch following these instructions.

Main documentation

Newbie starting point

The operator’s corner

Cassandra’s big picture

cqlsh, nodetool, and others

Hint: it’s not relational

What to look for when you have a problem

CQL reference documentation

Learn how to improve Cassandra and contribute patches

FAQ

Frequently asked questions

Cassandra’s handles and knobs

What’s new in Cassandra 4.0

Third-party plug-ins

Meta information