AllCode has designed, configured, installed, and operated Apache Cassandra implementations for many large banks. Apache Cassandra is a free and open-source, distributed, wide-column store, NoSQL database management system designed to handle large amounts of data across many commodity servers
Whenever you're installing a new DataStaxApache Cassandra cluster, you need to remember to remove the user cassandra. We've seen this at a couple of customer installations now. If you do not change the user cassandra or at least alter the roles for the user cassandra....