Error Handling and Structured Logging
Implement robust error handling strategies and learn to use structured logging for effective debugging and monitoring.
Why Error Handling Matters
In any application, things can go wrong. Users might input incorrect data, external services could fail, or files might not exist.
Error handling is about anticipating these issues and designing your application to respond gracefully, preventing crashes and ensuring a smooth user experience.
Elixir's 'Let It Crash' Philosophy
Elixir, built on the Erlang VM, embraces a unique approach called 'Let It Crash'. Instead of trying to prevent every possible error, Elixir processes are designed to be isolated.
If a process crashes, a supervisor can detect it and restart it, ensuring high availability. However, this primarily applies to process-level failures. For expected functional outcomes, a different pattern is used.
All lessons in this course
- Benchmarking and Profiling Elixir
- Monitoring with Telemetry and Metrics
- Error Handling and Structured Logging
- Distributed Tracing with OpenTelemetry