应用python的futures.ThreadPoolExecutor是,如果调用submit提交工作
ThreadPoolExecutor的会向执行

self._work_queue.put(w)

其中

self._work_queue = queue.SimpleQueue()

SimpleQueue 是不限度队列大小的,如果提交的工作太多,解决不及时,则导致占用太多内存

能够替换到_work_queue的实现,应用queue.Queue(maxsize=maxsize)

class ThreadPoolExecutorWithQueueSizeLimit(futures.ThreadPoolExecutor):    def __init__(self, maxsize=50, *args, **kwargs):        super(ThreadPoolExecutorWithQueueSizeLimit, self).__init__(*args, **kwargs)        self._work_queue = queue.Queue(maxsize=maxsize)

links:

  • https://stackoverflow.com/que...