Here are the new and noteworthy features of the 2.1 driver.
- Cassandra 2.1 support
- New features
- New reconnection policy FixedReconnectionPolicy
- The C# driver uses the most performant socket interface and (lock-free) asynchronous I/O, resulting in a significant read / write performance improvement for highly concurrent scenarios.
Note: The C# 2.1 driver works with Apache Cassandra 2.1, 2.0, and 1.2 and DataStax Enterprise 4.5, 4.0, 3.2, and 3.1.