Tracing Bare Metal with OpenTelemetry
summary
Equinix Metal instruments the bare‑metal provisioning workflow end‑to‑end with OpenTelemetry, auto‑instrumentation and a custom tracing initializer plus an OpenTelemetry collector as a proxy. Traces reveal a 507‑span provisioning path and a past Rails n+1 that produced 23,000 spans, leading to targeted ActiveRecord feature‑flagging, query deduplication and Postgres tuning. The work halves p95 latency, enables rapid canaryed changes, and turns traces into linkable, shareable evidence for incident response and onboarding.
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chapters (5)
- 0:00Introduction
- 2:17Turning on OpenTelemetry
- 5:07What is the problem
- 7:11Setting up OpenTelemetry
- 13:05Testing
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