一、设置用户名和密码修改cassandra.yaml配置文件把默认的authenticator: AllowAllAuthenticator改成authenticator: PasswordAuthenticator 如果你需要登陆进去以后查看修改权限之类，需要修改authorizer: AllowAllAuthorizer为authorizer: CassandraAuthorizer 启动cassandracql连接，cassandra是默认账户和密码./cqlsh -u cassandra -p cassandra ip port 创建用户CREATE USER myusername WITH PASSWORD ‘mypassword‘ SUPERUSE...