https://bigbully.github.io/Dapper-translation/
https://tech.meituan.com/mt-mtrace.html
https://github.com/sdcuike/DistributedTracingSystem
https://www.zhihu.com/question/27994350
分布式系统的跟踪系统
原文：https://www.cnblogs.com/xuxm2007/p/9000350.html
