[Canal](Canal.md) [Databus](Databus.md) [ELK日志套件](ELK.md) [数据库连接池](%E6%95%B0%E6%8D%AE%E5%BA%93%E8%BF%9E%E6%8E%A5%E6%B1%A0.md) [spring状态机](spring%E7%8A%B6%E6%80%81%E6%9C%BA.md)