cql api 生产应用-dt.api 1.Jdbc 2.Thrift api 3.Datastax java driver(推荐使用) Cassandra客户端选择 1.Sync和Async api 2.连接池 3.自动节点发现 4.自动重连机制 5.可配置的load balance和重连策略 6、query build 7、Object mapper Datastax

pool is used to manage requests, but the threads are multiplexed across the different clients. • async - Deprecated and will be removed in the next major release. Do not use. thrift_framed_transport_size_in_mb