https://servicecomb.incubator.apache.org/cn/docs/saga_pack_design/
https://servicecomb.incubator.apache.org/cn/docs/distributed_saga_1/
https://servicecomb.incubator.apache.org/cn/docs/distributed_saga_2/
https://servicecomb.incubator.apache.org/cn/docs/distributed_saga_3/
https://blog.csdn.net/fl63zv9zou86950w/article/details/78393439
原文：https://www.cnblogs.com/tcals/p/9382611.html