Primer: Limiting the Concurrency

Putting a cap on the maximum number of parallel request in GenericParallel. Parallel calls are an extremely powerful tool and, like any powerful tool, can be dangerous. Hitting a backend service with 5 parallel requests will reduce the response time. Hitting the same service with 50 parallel requests may bring that service down, causing a prolonged downtime. Overload Protection To prevent accidental overloading, GenericParallel uses the concept of maximum concurrency.

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