分布式数据库，RethinkDB 2.1.5 发布

jopen 8年前

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。

特点：

简单编程模型

  • JSON 数据模型和一致性

  • 分布式联合查询、子查询、聚合查询和原子更新操作

  • Hadoop 风格的 map/reduce.

轻松管理

  • 提供友好的 Web 和命令行管理工具

  • 服务器和网络故障时的谨慎处理

  • 多数据中心复制和故障转移

水平伸缩

  • 数据分片和复制到多个节点

  • 自动化并行查询和分布式查询

  • 通过 MVCC 并发实现无锁操作

分布式数据库，RethinkDB 2.1.5 发布

RethinkDB 2.1.5 发布，此版本主要是 bug 修复：

兼容性

  • RethinkDB 2.1.5 servers cannot be mixed with servers running RethinkDB 2.1.4 or earlier in the same cluster

Bug 修复

  • Fixed a memory corruption bug that caused segmentation faults on some systems (#4917)

  • Made the build system compatible with OS X El Capitan (#4602)

  • Fixed spurious "Query terminated by rethinkdb.jobs table" errors (#4819)

  • Fixed an issue that caused changefeeds to keep failing after a table finished reconfiguring (#4838)

  • Fixed a race condition that resulted in a crash with the messagestd::terminate() called without any exception. when losing a cluster connection (#4878)

  • Fixed a segmentation fault in the mark_ready() function that could occur when reconfiguring a table (#4875)

  • Fixed a segmentation fault when using changefeeds on orderBy.limit queries (#4850)

  • Made the Data Explorer handle changefeeds on orderBy.limit queries correctly (#4852)

  • Fixed a "Branch history is incomplete" crash when reconfiguring a table repeatedly in quick succession (#4866)

  • Fixed a problem that caused indexStatus to report results for additional indexes that were not specified in its arguments (#4868)

  • Fixed a segmentation fault when running RethinkDB on certain ARM systems (#4839)

  • Fixed a compilation issue in the UTF-8 unit test with recent versions of Xcode (#4861)

  • Fixed an Assertion failed: [ptr_] error when reconfiguring tables quickly with a debug-mode binary (#4871)

  • Improved the detection of unsupported values in r.js functions to avoid aGuarantee failed: [!key.IsEmpty() && !val.IsEmpty()] crash in the worker process (#4879)

  • Fixed an unitialized data access issue on shutdown (#4918)

性能改进

  • Improved the performance of getAll queries that fetch multiple keys at once (#1526)

  • Optimized the distribution of tasks across threads on multi-core servers (#4905)

下载：https://github.com/rethinkdb/rethinkdb/archive/v2.1.5-2.zip。