Frequently Asked Questions for Cassandra

Updated

How can I list all the nodes in a Cassandra cluster?

If JMX authentication is not enabled, run the following command:

nodetool status
    

If JMX authentication is not enabled, and SSL is enabled for JMX interface, run the following command:

nodetool status --ssl
    

If JMX authentication is enabled, run the following command:

nodetool -u username -pw password status
    

If both JMX authentication and SSL are enabled for JMX interface, run the following command:

nodetool -u username -pw password status --ssl
    

How do I connect to the cqlsh interface?

If CQL authentication is not enabled, run the following command:

cqlsh <hostIP> <cqlport>
    

If CQL authentication is not enabled, and SSL is enabled for CQL interface, run the following command:

cqlsh <hostIP> <cqlport> --ssl
    

If CQL authentication is enabled, run the following command:

cqlsh <hostIP> <cqlport> -u username -p password
    

If both CQL authentication and SSL are enabled for CQL interface, run the following command:

cqlsh <hostIP> <cqlport> -u username -p password --ssl