RethinkDB 2.1.1 发布，此版本主要是 bug 修复版本： Fixed a problem where after migration, some replicas remained unavailable when reconfiguring a table (#4668) Removed the defunct --migrate-inconsistent-data command line argument (#4665) Fixed the slider for setting write durability during table creation in the web UI (#4660) Fixed a race condition in the clustering subsystem (#4670) Improved the handling of error messages in the testing system (#4657) 下载：https://github.com/rethinkdb/rethinkdb/archive/v2.1.1.zip。 RethinkDB 设计用来存储 JSON 文档的分布式数据库，可通过简单操作实现多机分布式存储。支持表的联合和分组查询。 RethinkDB 2.1.1 发布，分布式数据库下载地址
