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Tuition is listed in KRW for transparency. Enrollment happens through human conversation—no checkout cart on this site.

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Course Tuition
Signals that stay useful under load

Shape metric collection so dashboards stay readable when traffic spikes, without drowning operators in noise.

Intermediate · Prometheus, Grafana

KRW 420,000
Dashboards operators actually open

Move from pretty panels to navigation aids: hierarchy, defaults, and on-call ergonomics for metrics and dashboards work.

Beginner-plus · Grafana, Loki touchpoints

KRW 310,000
Log lines with intent, not volume

Design structured fields and sampling policies so log analysis stays searchable when services get chatty.

Intermediate · OpenSearch, Vector pipelines

KRW 280,000
Tracing paths across async boundaries

Propagate context through queues, batch jobs, and hand-written HTTP clients without turning every span into noise.

Advanced · OpenTelemetry, Jaeger

KRW 540,000
Incident rooms with calmer timelines

Practice timelines, roles, and observability checkpoints so incident response feels coordinated instead of theatrical.

Mixed · Any metrics stack

KRW 890,000
SLOs teams can defend in planning

Draft error budgets, user-journey slices, and measurement windows that survive roadmap arguments and seasonal traffic.

Intermediate · Prometheus recording rules

KRW 360,000
Notebook labs for metric forensics

Use notebooks responsibly to explore spikes without turning ad-hoc queries into permanent dashboards by accident.

Intermediate · Python, Prometheus HTTP API

KRW 240,000
On-call handoffs that preserve context

Write shift notes, quiet alerts, and tracing bookmarks so the next rotation inherits situational awareness, not anxiety.

Beginner-plus · PagerDuty-style mock, Grafana

KRW 1,950,000
Telemetry contracts in code review

Turn observability expectations into reviewable artifacts: diffs, schemas, and CI hints that nudge teams before merge.

Advanced · GitHub Actions, OTel

KRW 180,000