维基百科正式从MySQL迁移到MariaDB数据库
近日，全球最大的自由、免费、内容开放的网络百科全书Wikipedia正式从MySQL迁移到MariaDB数据库。 在做正式迁移前Wikipedia做了大量的准备工作，包括兼容性测试和性能测试，详情请看官方说明。此前，2012年CSDN研发频道曾报道过Wikipedia开发者Asher Feldman
近日，全球最大的自由、免费、内容开放的网络百科全书Wikipedia正式从MySQL迁移到MariaDB数据库。
在做正式迁移前Wikipedia做了大量的准备工作，包括兼容性测试和性能测试，详情请看官方说明。此前，2012年CSDN研发频道曾报道过Wikipedia开发者Asher Feldman宣称将英文维基的一个（slave）数据库从MySQL5.1 + Facebook补丁集迁移到了MariaDB 5.5.28。
如今，时隔将近半年，Wikipedia正式完成迁移。
MariaDB是一个社区驱动的、采用XtraDb存储引擎的MySQL分支版本，由MySQL创始人Michael Widenius带领开发，遵循GPL v2.0协议开源。
与MySQL相比较，MariaDB的优势在于：
- Maria存储引擎
- PBXT存储引擎
- XtraDB 存储引擎
- FederatedX存储引擎
- 更快的复制查询处理
- 线程池
- 更少的警告和bug
- 运行速度更快
- 更多的Extensions (More index parts, new startup options etc)
- 更好的功能测试
- 数据表消除
- 慢查询日志的扩展统计
- 支持对Unicode的排序
据Solidot 的报道获悉：MySQL是世界上最流行的开源关系数据，它的名字取自于创始人Michael "Monty" Widenius的长女“My”。2008年，Sun收购MySQL；2009年，甲骨文收购了Sun，MySQL落入了与开源社区关系紧张的甲骨文手中。Widenius与他的旧团队在2009初创建了MySQL的分支MariaDB，它的名字取自于Widenius的幼女“Maria”，他希望通过保留核心开发者和日益增长的社区帮助MariaDB挑战甲骨文的MySQL。
Wikipedia宣布从MySQL迁移到MariaDB，部分原因是甲骨文的MySQL有免费版和企业版，企业版的新功能没有公开源码，而MariaDB则没有这方面的问题。
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