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This project forked from chenweihua/oceanbase

62.0 15.0 20.0 297.78 MB

A distributed, shared-nothing relational database

License: GNU General Public License v2.0

Makefile 0.56% Shell 1.21% M4 0.09% Perl 0.12% Python 1.53% C++ 77.42% C 11.78% Java 4.41% GAP 0.01% Lex 0.07% Yacc 0.32% Lua 0.02% CMake 0.07% Pascal 0.33% Awk 0.01% Objective-C 1.97% XSLT 0.01% Roff 0.07% Assembly 0.01%

cedar's Introduction

版本特性

CEDAR在OceanBase 0.4.2 的基础上新增了如下功能模块:

CEDAR 0.1 版本新增的功能有:

  • 高可用的三集群架构(集群间选主、集群角色自动切换、日志强同步及恢复等机制)
  • 多线程网络IO处理框架Libonev
  • 游标
  • 存储过程
  • 二级索引
  • 非主键多行更新
  • 半连接

CEDAR 0.2 版本新增的功能有:

  • SNAPSHOT ISOLATION 隔离级别
  • 表锁
  • 基于布隆过滤器的连接
  • 可扩展的事务提交优化
  • 日志同步优化

CEDAR 0.3 版本新增的功能有:

  • Decimal数据类型优化
  • 支持主键自增
  • 清空表(truncate table)
  • 优化事务传输量
  • 哈希连接(HashJoin)

《CEDAR 用户使用指南》介绍了如何安装、部署集群、如何进行SQL操作。《CEDAR 功能开发手册》从开发需求、功能、设计思路、应用局限性等方面对每个功能模块进行了介绍。

CEDAR 开源地址如下:

##联系我们 研发团队:华东师范大学数据科学与工程学院 CEDAR项目组。

地址:上海市普陀区中山北路3663号。

邮政编码:200062。

联系邮箱:[email protected]

对于文档内容有任何疑问,可通过邮件与我们联系,我们收到后将给予您反馈。

cedar's People

Contributors

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Stargazers

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Watchers

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