user mailing list and the Cassandra slack room. Apache Cassandra JIRA. Please provide as much details as you can on your problem, and don’t forget to indicate which version of Cassandra you are running and on which environment. the #cassandra or #cassandra-dev channels on ASF Slack, or on the user or dev mailing list. Contributing to Cassandra section. Please note that the source of this documentation is part of the Cassandra git repository and hence contributions to the documentation should follow the same path.