/tags/distributed-system/ Recent content in distributed-system on Shylock Hg Hugo -- gohugo.io en-us Tue, 10 Dec 2019 00:00:00 +0000 /post/2019/12/10/distributed-tracing/ Tue, 10 Dec 2019 00:00:00 +0000 /post/2019/12/10/distributed-tracing/ Overview The distributed tracing system like the perf in for process, the distributed tracing trace the RPC but perf trace the function calling. Basic concepts Trace, a whole RPC chain tracing, consist by spans (DAG structured) Span, a once RPC tracing Tow relationship inter span, ChildOf, FollowOf Inter-Process To tracing inter process, we must record the relationship inter span. So the one method is to propagating the context of span with RPC calling as below: