observability fundamentals - MELT, Incident Management, Kubernetes observability, performance overhead telemetry, Kubernetes networking, APM internals, large-scale distributed systems, ITSM ecosystems, microservices failure modes, kernel-level telemetry, FinOps alignment, OpenTelemetry, zero-instrumentation techniques, telemetry ingestion storage and query pipelines, AI ML in observability, eBPF, observability data models, service mesh observability

.NET, observability fundamentals - MELT, Java, Node.js, Python, Incident Management, Kubernetes observability, Kubernetes networking, APM internals, ITSM ecosystems, FinOps alignment, OpenTelemetry, AI ML in observability, eBPF, telemetry ingestion, kernel-level telemetry, performance overhead telemetry, query pipelines, service mesh observability