How do I implement exponential backoff and jitter in Swift?

Exponential backoff is a standard error-handling strategy for network applications in which the wait time between retries is increased exponentially. Adding jitter helps to avoid the thundering herd problem, where multiple clients retry at the same time.

Implementing Exponential Backoff and Jitter in Swift

To implement exponential backoff with jitter in Swift, you can follow this example code:

```swift import Foundation func performRequestWithExponentialBackoff(maxRetries: Int) { var retries = 0 func performRequest() { let success = Bool.random() // Simulate success or failure if success { print("Request succeeded!") } else { if retries < maxRetries { retries += 1 let backoffTime = pow(2.0, Double(retries)) + randomJitter() print("Request failed. Retrying in \(backoffTime) seconds...") DispatchQueue.global().asyncAfter(deadline: .now() + backoffTime) { performRequest() } } else { print("Request failed after \(maxRetries) retries.") } } } performRequest() } func randomJitter() -> Double { return Double.random(in: 0...1) } // Example usage performRequestWithExponentialBackoff(maxRetries: 5) ```

Swift Exponential Backoff Jitter Error Handling Network Retry Strategy

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