Clearing the data as a service
Remove all data from a package installation. Special instructions for AMI restart.
Remove all data from a package installation.
Procedure
To clear the data from the default directories:
                After stopping the service, run the
                    following command:
                
                    
                
                    
            
    $ sudo rm -rf /var/lib/cassandra/*
Note: If you are clearing data from an AMI installation for restart, you need to
                        preserve the log files.