Resilience & Traffic VisualizersTool 1 of 5
Visualizers
Circuit Breaker Visualizer
Closed → Open → Half-Open state machine. Send requests, watch state transitions.
Circuit Breaker state machine: protects services from cascading failures by transitioning between Closed, Open, and Half-Open states.
💡Send requests to test the circuit breaker. It starts CLOSED (allowing all calls). Failures will trip it OPEN.
Closed
Failures: 0/3
failures ≥ threshold
failures ≥ threshold
Open
Requests until probe: 0/5
after timeout
after timeout
Half-Open
Successes: 0/2
Half-Open → Closed: successes ≥ threshold
Half-Open → Open: any failure
Request Timeline (last 60)
No requests yet — use the controls above to send requests
Success
Failure
Rejected (Open)
Current State
Closed
Total Requests
0
Rejection Rate
0.0%
State Changes
0