Mastering Distributed Tracing

Preface

Distributed tracing, also known as end-to-end tracing, while not a new idea, has recently began receiving a lot of attention as a must-have observability tool for complex distributed systems. Unlike most other tools that only monitor individual components of the architecture, like a process or a server, tracing plays a rather unique role by being able to observe end-to-end execution of individual requests, or transactions, following them across process and network boundaries. With the rise of such architectural patterns as microservices and functions-as-a-service (or FaaS, or serverless), distributed tracing is becoming the only practical way of managing the complexity of modern architectures.

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