ces étapes préalables *même si*, ensuite, vous démarrez **plusieurs processus** (plusieurs workers) pour l'application elle‑même. Si ces étapes étaient exécutées par **plusieurs processus**, ils **dupliqueraient** le travail en l'exécutant **en parallèle**, et si les étapes étaient délicates comme une migration de base de données, elles pourraient entrer en conflit les unes avec les autres.

Bien sûr, il y a des cas où il n'y a aucun problème à exécuter les étapes préalables plusieurs fois...

    BlockingQueue<Future<T>> futureQueue = Queues.newLinkedBlockingQueue();
    long timeoutNanos = unit.toNanos(timeout);

    // For efficiency, especially in executors with limited
    // parallelism, check to see if previously submitted tasks are
    // done before submitting more of them. This interleaving
    // plus the exception mechanics account for messiness of main
    // loop.

    try {

        if (localRepositoryPath != null) {
            request.setLocalRepositoryPath(localRepositoryPath);
        }

        //
        // Builder, concurrency and parallelism
        //
        // We preserve the existing methods for builder selection which is to look for various inputs in the threading

- Failed pods associated with a job with `parallelism = 1` are recreated by the job controller honoring exponential backoff delay again. However, for jobs with `parallelism > 1`, pods might be created without exponential backoff delay. ([#115020](https://github.com/kubernetes/kubernetes/pull/115020), [@nikhita](https://github.com/nikhita)) [SIG Apps]

- ACTION_REQUIRED

- Failed pods associated with a job with `parallelism = 1` are recreated by the job controller honoring exponential backoff delay again. However, for jobs with `parallelism > 1`, pods might be created without exponential backoff delay. ([#115027](https://github.com/kubernetes/kubernetes/pull/115027), [@nikhita](https://github.com/nikhita)) [SIG Apps]

- Failed pods associated with a job with `parallelism = 1` are recreated by the job controller honoring exponential backoff delay again. However, for jobs with `parallelism > 1`, pods might be created without exponential backoff delay. ([#115021](https://github.com/kubernetes/kubernetes/pull/115021), [@nikhita](https://github.com/nikhita)) [SIG Apps]