Cassandra Documentation

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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

What’s new in Cassandra 4.0

Cassandra’s big picture

Hint: it’s not relational

CQL reference documentation

Cassandra’s handles and knobs

The operator’s corner

cqlsh, nodetool, and others

What to look for when you have a problem

FAQ

Frequently asked questions

Third-party plug-ins

Native Cassandra protocol specifications