How to effectively spy on your systems
summary
Covers practical OpenTelemetry work: unified log model, metrics correlation, and deep tracing for business transactions, plus concrete deployment choices—OpenTelemetry Collector as sidecar or gateway—and the tradeoffs of head sampling versus tail sampling (keep errors/slow traces, sample successes). Explains baggage risks (latency and data leakage), processors for redaction/encryption, including when to put trace id/span id into logs and metrics and how cardinality can explode costs, so provides actionable guidelines for where to start and how to scale.
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chapters (11)
- 0:00Introduction
- 1:53Observability matters
- 6:04OpenTelemetry overview
- 13:07Logs vs metrics vs traces
- 16:41Start with observability
- 19:32Observability strategy
- 25:13Instrumentation best practices
- 32:45Correlating telemetry
- 35:59Trace sampling
- 43:18Deploying collectors
- 49:19Key takeaways
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