Logging, Metrics, dan Tracing — Tiga Pilar Observability
Observability adalah yang membedakan tim yang bereaksi terhadap outage dari tim yang memahami sistem mereka sebelum kegagalan terjadi. Track ini mencakup full stack: structured logging, time-series metrics, dan distributed tracing, dengan pekerjaan hands-on di dua toolchain dominan industri — ELK Stack (Elasticsearch, Logstash, Kibana) dan OpenTelemetry. Apakah Anda menginstrumentasi monolith atau aplikasi cloud-native multi-service, keterampilan di sini langsung applicable ke production environments.
What You Will Learn
Anda akan memulai dengan fundamentals dari system observability dan structured application logging, kemudian berpindah ke collecting dan interpreting system metrics serta building ELK Stack pipelines pertama Anda. Anda akan belajar core concepts OpenTelemetry — spans, traces, context propagation — dan implement distributed tracing across services. Di level advanced Anda akan apply techniques seperti Advanced ELK Stack Techniques, complex observability patterns, security dan performance instrumentation, dan full cloud-native observability. Track culminates dalam designing dan building complete observability platform dari awal.
The Learning Path
Dua belas focused courses span levels A1 through C2. Track opens dengan Introduction to System Observability (A1, free) dan Getting Started with Application Logging, kemudian builds through empat B-level courses covering metrics, ELK fundamentals, OpenTelemetry core concepts, dan distributed tracing. Lima courses final operate di C1–C2: Advanced ELK Stack Techniques, Advanced Observability Patterns, Observability in Cloud-Native Environments, Security and Performance with Observability, dan capstone Building an Observability Platform.
How It Works
Setiap course dibagi menjadi short, hands-on lessons yang Anda complete di built-in editor dengan real-time feedback dan AI tutor tersedia saat Anda stuck. Anda bekerja dengan real configuration, real queries, dan real instrumentation code — bukan toy examples — jadi setiap lesson maps directly ke tasks yang akan Anda hadapi di job.