error-handling-patterns

Circuit breakers prevent cascading failures in distributed systems by tripping when error thresholds exceed limits, blocking requests temporarily, and allowing graceful degradation instead of exhausting resources.

Standardizing exceptions vs result types involves applying language-specific patterns: custom error hierarchies for Python and TypeScript, and explicit result types for Rust and Go, ensuring consistent error contracts.

Circuit breakers prevent cascading failures in distributed systems by tripping when error thresholds exceed limits, blocking requests temporarily, and allowing graceful degradation instead of exhausting resources.

You need error aggregation and retry with backoff in API design when handling transient network failures, combining multiple validation errors into meaningful messaging, and coordinating distributed system recovery.

You can refactor an existing service by applying the framework to introduce explicit error types, implement retries with backoff, and integrate a circuit breaker for stronger fault tolerance and debuggability.