分布式数据库,RethinkDB 2.1.5 发布
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
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分布式联合查询、子查询、聚合查询和原子更新操作
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Hadoop 风格的 map/reduce.
轻松管理
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提供友好的 Web 和命令行管理工具
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服务器和网络故障时的谨慎处理
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多数据中心复制和故障转移
水平伸缩
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数据分片和复制到多个节点
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自动化并行查询和分布式查询
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通过 MVCC 并发实现无锁操作
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)
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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 message
std::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。