implementation RFC currently blocked on me finding time Prometheus: experimental support since 2.5.0 Python client library: experimental support since 0.4.0 Test your own OM output: robustperception.io/checking- Plans Bringing observability back together IT architectures breathe Out/Insourcing, Mainframe/client-server/containers, etc You solve the current problem, and then face another By focussing on Metrics

CNCF member project, IETF RFC, test suite, etc We are writing code in Prometheus and the Python client library https://github.com/OpenObservability/OpenMetrics Prometheus 2.5 has experimental OpenMetrics

有四种数据类型：Gauge、Counter、Histogram、Summary，其中最关键的是 Gauge 和 Counter，Histogram 和 Summary 只是为了上报监控数据的 Client 侧的便利，可 以看做是组合使用了 Gauge 和 Counter。所以我们重点就来讲解 Gauge 和 Counter 类型。 Gauge 类型 Gauge 类型的值表示当前的状态，可大