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The Observability track.

Prometheus, Grafana, Elastic and OpenTelemetry — metrics, traces and alerts. Built as a curriculum — 4 chapters, recommended spine if you're new, side-quests when you're ready.

⏱ ~1h 10m total 4 beginner · 4 intermediate · 2 advanced 📚 10 topics

You'll cover: Prometheus, Grafana, Elasticsearch — then go deeper.

Start here: Prometheus Error on Ingesting Out-of-Order Samples → Prometheus Query Returns No Data but Target Is Up → Prometheus Cardinality Explosion From a Label →

Continue from Prometheus Error on Ingesting Out-of-Order Samples → Complete Observability guide
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CURRICULUM

4 chapters · 10 topics

04

OpenTelemetry

Intermediate
1 topics · ~7m · 0/1 read
START HERE · CHAPTER 01

Prometheus

4 topics · Begin with Prometheus Error on Ingesting Out-of-Order Samples

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