From k9s to OpenTelemetry:A guide to observability for your Spring apps in K8s
summary
Shows how to inspect a Spring Boot cluster end to end: use kubectl debug to attach a tool-filled container into distro‑less pods for live troubleshooting, use service mesh sidecars (Istio/Linkerd/Psyllium + Kiali/Hubble) to map traffic flows at the pod level but expect added CPU/memory and measurable latency, use eBPF on nodes for low‑latency, node‑level observability, and use OpenTelemetry Java agent or code instrumentation to get method‑level traces exported to Jaeger/Grafana; demos mostly work though a few UI metrics lag in the live demo.
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chapters (7)
- 0:00Introduction
- 8:10Kubernetes observability basics
- 13:03Debugging with kubectl debug
- 20:23Service mesh monitoring
- 28:27eBPF node insights
- 33:23OpenTelemetry observability
- 44:23Summary & Q&A
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