Multiple ChoiceBeginner 45s
Circuit breaker half-open state
After a circuit breaker trips open, what is the purpose of the half-open state?
Options
- 1To permanently block all traffic to the dependency once it fails, so no request is attempted at all until an operator resets it
- 2To allow a limited number of trial requests to test whether the dependency recovered before closing again
- 3To double the request timeout while half-open, so in-flight calls have more time before the breaker decides whether to close
- 4To drain the thread pool by queuing trial requests, so the dependency is never contacted until the queue fully empties
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