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MongoDB 3.3.5 和 3.2.6-rc0 发布

MongoDB 3.3.5 和 3.2.6-rc0 发布了,MongoDB 是一个介于关系数据库和非关系数据库之间的产品,是非关系数据库当中功能最丰富,最像关系数据库的。他支持的数据结构非常松散,是类似json的 bjson格式,因此可以存储比较复杂的数据类型。Mongo最大的特点是他支持的查询语言非常强大,其语法有点类似于面向对象的查询语言,几乎可以实现 类似关系数据库单表查询的绝大部分功能,而且还支持对数据建立索引。

MongoDB 3.3.5改进记录如下:

  • SERVER-6823   Enable Access control without downtime

  • SERVER-10689  Add a $switch expression

  • SERVER-17258  Add $reduce expression operator for rollup of arrays

  • SERVER-20224  Commands which write should take a write concern

  • SERVER-23271  Add metrics to track index key additions and deletions for all CRUD ops/commands

  • SERVER-23358  Upgrade SpiderMonkey to 45.0.2 ESR

  • SERVER-23391  Improve behavior when running under WiredTiger on machines with little memory

下载地址:http://t.umblr.com/redirect?z=http%3A%2F%2Fwww.mongodb.org%2Fdownloads&t=YzdhZTkxY2VhYWE0YmQwMzAwNTMzYWE1MjNiMGFlZDQ4MTgxMWEzMCxaSk9FaHhmeA%3D%3D

MongoDB 3.2.6-rc0 改进记录如下:

 

  • SERVER-22970  Background index contains mismatched index keys and documents

  • SERVER-22043  count helper doesn’t apply read preference

  • SERVER-23394  AuthorizationManager may deadlock while building role graph if profiling is enabled

  • SERVER-23766  Remove beta startup warning for inMemory storage engine

下载地址:http://www.mongodb.org/downloads



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