分布式数据库系统的故障恢复方法

本文在对分布式数据库系统探讨的基础上,采用基于备份和日志记录技术,讨论了一种基于两阶段提交协议和三阶段提交协议的数据恢复方法。其中,三阶段提交协议基本能实现分布式事务执行的无阻塞,在正确的实现分布式数据库恢复的前提下,保证了分布式数据库系统的高可用性。

On the base of system discussion on the distributional database, the article uses the backup and the diary recording technique, one kind of data recovery method based on two stage submission agreement and three stage submission agreement is discussed in this paper. Three stage submission agreements can realize non-blocking basically and guarantee the distributional database system＇s high usability under the premise which the distributional database can be restored.