wu-sheng opened a new pull request #4339: URL: https://github.com/apache/apisix/pull/4339
### What this PR does / why we need it: Neither Zipkin nor SkyWalking is a part of OpenTracing ecosystem, especially when we speak from Nginx and LUA perspectives. Also, OpenTracing is being abandoned, their APIs are not widely used, and merged into OpenTelemetry, which also doesn't relate to the Nginx ecosystem. So, let's focus on the tech itself. ### Pre-submission checklist: * [ ] Did you explain what problem does this PR solve? Or what new features have been added? * [ ] Have you added corresponding test cases? * [ ] Have you modified the corresponding document? * [ ] Is this PR backward compatible? **If it is not backward compatible, please discuss on the [mailing list](https://github.com/apache/apisix/tree/master#community) first** -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
