★★★★☆
“Telemetry Mastery’s week-three corridor sketches changed how our Seoul and Busan POPs get compared in standups. I wanted more CDN-specific homework, yet the critique cadence was excellent.”
Flagship course
Edge Gateway Telemetry Mastery
A six-week studio for application analytics on edge gateway API monitoring — sampling, corridors, origin correlation, and stakeholder storytelling.
₩489,000 · informational pricing
Talk enrollment
Modules
- Week 1 — Signal inventory. Catalog gateway logs, metrics, and traces; map what your edge already emits.
- Week 2 — Sampling with kindness. Design head/tail and adaptive sampling that protects rare failures without melting storage.
- Week 3 — Latency corridors. Sketch regional corridors and compare POP drift without percentile noise.
- Week 4 — Origin conversation. Correlate CDN-edge and origin signals so blame stops bouncing between teams.
- Week 5 — Narrative briefs. Write weekly API health notes stakeholders actually finish reading.
- Week 6 — Studio critique. Peer review of your live dashboard story with instructor coaching.
Learning outcomes
- Produce a sampling policy tailored to one production gateway.
- Explain latency corridors to non-SRE partners in under five minutes.
- Detect when edge anomalies are origin-shaped versus rim-shaped.
- Ship a reusable narrative brief template for your team.
Instructor
Haeun Park
Former edge platform engineer based in Seoul. Haeun designs calm monitoring rituals for teams who are tired of red dashboards and short on storytelling practice.
Pricing note
Listed at ₩489,000 for the open cohort. Team seats and private studio runs are quoted separately through contact. This page is informational only — no payment is processed here.
FAQ
Do I need an existing observability stack?
Yes — you should already collect some gateway metrics or logs. We do not provision tools for you; bring one environment you can safely explore.
Is this suitable for pure frontend engineers?
If you partner with API or platform teams, yes. Pure UI work without gateway access will feel thin in weeks 2–4.
What is a real limitation of this course?
We do not cover vendor-specific agent installation end-to-end. If your company locks tooling to a single SaaS, expect to adapt examples yourself — our materials stay vendor-agnostic on purpose.
Are sessions recorded?
Live critique sessions are recorded for enrolled learners for 45 days. Office hours are live-only.
“Client in media streaming — after the narrative brief module we stopped sending 12-screenshot incident dumps. Still adjusting to the homework pace.”