Three main features Storage backend Caveat: Prometheus 2.0 comes with storage v3 Staleness handling Remote read & write API is now stable-ish Links to in-depth talks about these features are at the Outro Long-term storage Problem statement Long-term storage is one of the last remaining major features left untackled Fundamentally, Prometheus operates as distinct data islands As there’s no backfill we say that we want to change how the world does monitoring, we mean it One of our most powerful features are labels Labels are encoded in our exposition format Some third-party projects and vendors have

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/