We need to monitor our service's performance, but large closed SaaS options are expensive and complex. OpenTelemetry is the 'wave of the future' for observability, but is it ready for your team? Yes! Join Nočnica to see a demonstration of instrumenting a demo application and learn what OpenTelemetry can do. We'll also add external site monitors with Checkly synthetics checks. You'll learn: * What's in the OpenTelemetry Project, and how you can use it * How to architect data collection for OpenTelemetry * How to add Synthetic User testing and uptime monitoring with Checkly Chapters: 00:00 Intro 00:15 What is Observability? 03:41 How Microservices Challenge 07:31 What's part of OpenTelemetry 09:00 The three pillars of Observability 16:30 Distributed tracing 19:00 Data Cardinality and High Cardinality Data 26:15 Filtering data with the OTel Collector 33:15 Synthetic Monitoring with Checkly 41:03 Outros and Discussion