What follows is a proof of concept: it's not a finished standard, not a production-ready library, not even necessarily a concrete proposal for something new, but a starting point for discussion that demonstrates the problems with Web streams aren't inherent to streaming itself; they're consequences of specific design choices that could be made differently. Whether this exact API is the right answer is less important than whether it sparks a productive conversation about what we actually need from a streaming primitive.
CompletableFuture 的 get() / join() 可能在 ForkJoinPool 的 worker 线程中被调用。如果直接阻塞，就会吃掉池子的并行度。它的解决方案是实现 ManagedBlocker 接口，借助 ForkJoinPool 的补偿机制。
，这一点在体育直播中也有详细论述
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