Jan 16
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Welcome to DevOps Class 10 by FusionPact. In this session, we explain OpenTelemetry, a modern open-source observability framework designed to provide deep visibility into complex, cloud-native and microservices-based applications. As systems grow in scale and complexity, traditional monitoring is no longer sufficient. OpenTelemetry helps teams understand what is actually happening inside their applications by collecting metrics, logs, and distributed traces using a single, unified standard. 🔍 What You’ll Learn in DevOps Class 10 What OpenTelemetry is and why it is important Why traditional monitoring fails in microservices architectures How OpenTelemetry provides end-to-end observability What instrumentation means and how telemetry data is generated How metrics, logs, and traces work together How OpenTelemetry avoids vendor lock-in How OpenTelemetry helps teams debug issues faster 🧠 What Is OpenTelemetry? OpenTelemetry is an open-source observability framework that provides: A single standard for collecting telemetry data APIs, SDKs, and tools for application instrumentation Automatic generation of metrics, logs, and traces Compatibility with backends like Prometheus and Grafana Once applications are instrumented, telemetry data is generated automatically and sent to observability backends for visualization and analysis. 🏗️ OpenTelemetry Architecture (High-Level) Applications generate telemetry data OpenTelemetry libraries instrument the application Data is sent to the OpenTelemetry Collector Collector processes and exports data Data is visualized using tools like Grafana and Prometheus 🏭 Real-Time Industry Example – E-Commerce Platform An e-commerce platform has 10+ microservices, including: Frontend service Product catalog service Payment service Order service When a customer clicks “Pay Now”, the checkout page becomes slow. ❌ Without OpenTelemetry: Users only see “checkout is slow” Developers manually search logs Debugging takes hours SLAs and customer experience suffer ✅ With OpenTelemetry: A distributed trace is created for the request The trace follows the request across all services Engineers instantly see the payment service is slow No guessing, no manual log searching Issues are resolved faster, before customers are impacted ⚙️ Problems Solved by OpenTelemetry Distributed tracing across microservices Correlating logs, metrics, and traces Faster root-cause analysis Reduced Mean Time To Detect (MTTD) Reduced Mean Time To Resolve (MTTR) Better engineering and architectural decisions 📌 Key Benefits of OpenTelemetry Unified observability standard End-to-end system visibility Improved reliability and system health Faster incident response Scales easily with cloud-native systems Vendor-neutral observability approach 🚀 Key Takeaway OpenTelemetry is not just monitoring. It provides deep visibility, faster debugging, and better decision-making for modern DevOps teams. 🔔 Subscribe for Daily DevOps Classes 🌐 www.fusionpact.com FusionPact Skills • Trust • Impact