详情参考:
- https://github.com/dtm-php/dtm-client/ (dtm对应的php客户端)
- https://dtm.pub/guide/install.html (dtm原理和配置)
- https://www.cnblogs.com/jajian/p/10014145.html (tcc事务原理）
- https://developer.51cto.com/article/648202.html (二阶消息的理解)
- https://www.jianshu.com/p/a7d1c4f2542c (XA事务原理)