RethinkDB 1.16.2 發布，分布式數據庫

RethinkDB 1.16.2 發布，此版本主要是 bug 修復更新：

• Fixed a bug in r.range that caused query failures (#3767)

• Fixed a race condition in the implementation of .order_by.limit.changes (#3765)

• Fixed a build error that caused very slow r.js performance (#3757)

• Removed spurious comma in the Data Explorer (#3730)

此版本現已提供下載：https://github.com/rethinkdb/rethinkdb/archive/v1.16.2-1.zip。

RethinkDB1.16.1 也主要是 bug 修復更新：

• Write a message to the log every time a file is deleted (#1780)

• Fixed rethinkdb dump and other backup scripts to correctly detect the server version (#3706)

• Changed the output of rethinkdb dump to clarify that indexes are being saved (#3708)

• Fixed unbounded memory consumption when using the official OS X package or when building with boost 1.56.0 or higher (#3712)

• Fixed the written_docs_total field of rethinkdb.stats (#3713)

• Fixed a bug that caused the web UI to hang when creating or deleting indexes (#3717, #3721)

• Fixed rounding of document counts in the web UI (#3722)

• Fixed a bug that broke the -f flag of rethinkdb import (#3728)

• Fixed a bug that prevented the web UI from loading data properly (#3729)

• Fixed a bug that caused RethinkDB to refuse to link with jemalloc dynamically (#3741)

• Fixed an uncaught exception in the handling of r.js (#3745)

RethinkDB 設計用來存儲 JSON 文檔的分布式數據庫，可通過簡單操作實現多機分布式存儲。支持表的聯合和分組查詢。

特點：

簡單編程模型

• JSON 數據模型和一致性

  
  

• 分布式聯合查詢、子查詢、聚合查詢和原子更新操作

  
  

• Hadoop 風格的 map/reduce.

  
  

輕松管理

• 提供友好的 Web 和命令行管理工具

  
  

• 服務器和網絡故障時的謹慎處理

  
  

• 多數據中心復制和故障轉移

  
  

水平伸縮

• 數據分片和復制到多個節點

  
  

• 自動化并行查詢和分布式查詢

  
  

• 通過 MVCC 并發實現無鎖操作