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Вивчайте Challenge: Control Parallelism in Async Tasks | Timeouts, Parallelism, and Error Handling
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C# Async and Await Practice

bookChallenge: Control Parallelism in Async Tasks

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Your goal is to implement an asynchronous method that processes a list of asynchronous tasks in parallel, while limiting the number of tasks that run at the same time.

  • The method should accept two parameters:
    • A list of asynchronous task factories (Func<Task>), where each factory returns a task when invoked.
    • An integer representing the maximum number of concurrent operations (maxDegreeOfParallelism).
  • Ensure that at no point are more than maxDegreeOfParallelism tasks running in parallel.
  • Every task factory in the list must be started and awaited, so that all tasks complete before the method returns.
  • To control the number of concurrently running tasks, use a SemaphoreSlim. Before starting a new task, call WaitAsync on the semaphore to ensure you do not exceed the concurrency limit. After a task completes, call Release on the semaphore to allow another task to begin.
  • It is important to use Task.WhenAll to await all started tasks, guaranteeing that the method does not return until every task has finished.

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bookChallenge: Control Parallelism in Async Tasks

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Завдання

Swipe to start coding

Your goal is to implement an asynchronous method that processes a list of asynchronous tasks in parallel, while limiting the number of tasks that run at the same time.

  • The method should accept two parameters:
    • A list of asynchronous task factories (Func<Task>), where each factory returns a task when invoked.
    • An integer representing the maximum number of concurrent operations (maxDegreeOfParallelism).
  • Ensure that at no point are more than maxDegreeOfParallelism tasks running in parallel.
  • Every task factory in the list must be started and awaited, so that all tasks complete before the method returns.
  • To control the number of concurrently running tasks, use a SemaphoreSlim. Before starting a new task, call WaitAsync on the semaphore to ensure you do not exceed the concurrency limit. After a task completes, call Release on the semaphore to allow another task to begin.
  • It is important to use Task.WhenAll to await all started tasks, guaranteeing that the method does not return until every task has finished.

Рішення

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Секція 3. Розділ 4
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