我也在关注这个，文章最下面有一些参考： https://www.liuquanhao.com/posts/%E5%8F%AF%E8%A7%82%E6%B5%8B%E5%85%A8%E9%93%BE%E8%B7%AF%E5%A4%9A%E7%BB%B4%E8%BF%BD%E8%B8%AA%E6%8A%80%E6%9C%AF-%E5%9F%BA%E4%BA%8EOpenTelemetry%E7%9A%84%E6%8A%80%E6%9C%AF%E6%A0%88/
Application Performance Monitoring or Application Performance Management, 像主流的 SkyWalking / Zipkin 都属于, 可观测性包括: metrics / logs / traces, 能把这些东西整合起来的都算 APM 吧. nbu 是啥?
