Signal Correlation, the Ho11y Grail
summary
Demonstrates using ClickHouse exporter plus OpenTelemetry to ingest logs, traces and metrics and actually link them; shows a working metrics→traces flow where Prometheus exemplars embed Exemplar trace IDs in the exposition format and Grafana surfaces a Grafana → X-Ray link that jumps to an X‑Ray trace. Prototype works end‑to‑end for that use case but reveals real problems: inconsistent labels/attributes, metadata drift, and backend limitations that prevent correlation from being first‑class.
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chapters (8)
- 0:00Intro
- 0:54Monolith vs Distributed
- 1:45Signal Types
- 2:41Traces
- 4:03Examples
- 7:54Stack Correlation
- 11:03EndtoEnd Correlation
- 13:49Wrap Up
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