Node.js · Intermediate · Live online
Observability for Node Services
Traces, metrics, and logs that stay coherent when traffic spikes.
Dashboards are easy; signal is hard. We connect user-visible latency to internal spans without selling a vendor miracle.
Duration: 5 weeks
Tuition (informational): 6,800,000 VND
Final quotes come from admissions. See Money-Back Policy for eligibility.
What ships in the syllabus
- Trace context propagation exercise
- RED metrics dashboard template
- Log field dictionary workshop
- Sampling strategies under load
- Alert fatigue worksheet
- SLO draft for one API surface
- Mentor review of dashboard screenshots
Outcomes we actually assess
- Wire trace IDs through two internal calls
- Define one SLO with error budget math shown
- Submit a trimmed alert list with rationale
Hieu Tran
Database coach for Postgres workloads and migration drills.
FAQ — including what we skip
Vendor?
OTel-first examples; vendor exporters mentioned briefly.
Kubernetes?
Not required; exercises run locally.
Limitation?
No ML anomaly detection—manual thresholds only.
Experience notes
“Sampling exercise showed we were over-logging auth success noise.”