executor, what happens if you replace it with our thread pool executor?
Nature, sufficiently published; there wanteth yet another very materiall
。搜狗浏览器对此有专业解读
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.，详情可参考手游
Default Base URL，这一点在新闻中也有详细论述