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The Future is Bright, the Future is Prometheus Remote Write

Talkat PromCon Online 2021 · on Monday, 2021-05-03· [observability, databases]
slides:none on file

Prometheus remote_write is a push protocol implemented by ~30 implementations and now accepted by Prometheus itself; a test harness is built that scrapes Prometheus, Grafana Agent, VictoriaMetrics agent, Telegraf and OpenTelemetry collector and checks samples, histograms, exemplars and metadata. Results show a Grafana Agent bug fixed, VictoriaMetrics missing up and staleness markers, Telegraf lacking job labels/up, and OpenTelemetry missing histograms and exemplars. Pain points: lack of atomic scrape snapshots, 429 replay drops, and heavy bandwidth (internal flows hit 90 MB/s).

AI-written summary · about

  1. 0:00Introduction
  2. 1:20What is Prometheus Remote Write
  3. 4:44Interoperability
  4. 10:18Metadata
  5. 13:20Atomicity
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