Microservices - Advanced Patterns
Which pseudocode snippet correctly demonstrates the basic logic of a Circuit Breaker pattern in microservices?
Which pseudocode snippet correctly demonstrates the basic logic of a Circuit Breaker pattern in microservices?
easy📝 Conceptual Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Circuit Breaker states
The circuit breaker opens when failures exceed a threshold to prevent further calls.Step 2: Analyze each option
if failureCount > threshold: openCircuit() else: callService() correctly opens the circuit when failureCount > threshold, else calls the service.Final Answer:
if failureCount > threshold: openCircuit() else: callService() -> Option AQuick Check:
Open circuit on too many failures [OK]
Quick Trick: Open circuit when failures exceed threshold [OK]
Common Mistakes:
- Reversing the condition to open circuit when failures are below threshold
- Calling service after opening circuit
- Using loops incorrectly in circuit breaker logic
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