For implementers, backpressure adds complexity without providing guarantees. The machinery to track queue sizes, compute desiredSize, and invoke pull() at the right times must all be implemented correctly. However, since these signals are advisory, all that work doesn't actually prevent the problems backpressure is supposed to solve.
Andrew Robinson reviews five of the best science picks.
。关于这个话题，WPS官方版本下载提供了深入分析
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