Glossary term
What is Fallback? Meaning for developers
What to return when something fails. Example: Show "popular items" when recommendations are down.
Learn it properly · System DesignLesson 42: Circuit Breaker & Bulkhead PatternsTimeouts limit how long you wait per call, but not how often you keep calling a service you already know is dead. How circuit breakers fail fast and test for recovery, how bulkheads stop one dependency exhausting everything, and how to design honest fallbacks.