NetEase/InnoSQL（网易的InnoSQL的补丁文件）_MySQL
README.md
InnoSQL - A branch version of MySQL
InnoSQL是杭研开发维护的MySQL分支，目前基于MySQL 5.5。InnoSQL的主要目标是提供更好的性能以及高可用性，同时便于DBA的运维以及监控管理。其完全兼容于原版MySQL数据库，所有添加的功能都是动态的。若不开启这些功能，与原版MySQL数据库的工作方式完全相同。
- Homepage: http://mysql.netease.com/
- Wiki: http://mysql.netease.com/doc/index.html
- Issues: https://github.com/NetEase/InnoSQL/issues/
- Tags: C, C++, MySQL, InnoDB
目前主要包括的特性有:
高可用特性：
- virtual sync replication with group commit，高性能同步复制
- crash safe replication slave，宕机主从数据依然一致
- slave batch commit 极大减少slave与master的延时，基本达到实时同步
- InnoDB share memory，缓冲池快速预热技术
高性能特性：
- InnoDB flash cache 将SSD作为L2cache，见percona CTO对此测试的结果
- InnoDB IO enhance 对于InnoDB的IO进行优化，尤其是SSD
- InnoDB死锁检测优化
运维特性：
- 观察InnoDB undo log信息
- 观察不同刷新方式的的次数
- 观察master thread和purge thread的线程ID
- slow log记录SQL语句的物理与逻辑IO次数
- binlog记录SQL语句执行者的user和ip信息
- Profiler功能，对用户资源进行限制
- Role Table 将用户添加到角色表中，便于对用户的管理
首先克隆这个仓库
<code style="BOX-SIZING: border-box; FONT-SIZE: 12px; FONT-FAMILY: Consolas, 'Liberation Mono', Courier, monospace; WHITE-SPACE: pre; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 0px; DISPLAY: inline; PADDING-RIGHT: 0px; BACKGROUND-COLOR: transparent; border-radius: 3px; -ms-word-wrap: normal">git clone git://github.com/NetEase/InnoSQL.git</code>
进入InnoSQL/src，在当前目录下即得到InnoSQL的各种Patch包。
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