The same issues exist on the WritableStream side. A WritableStream has a highWaterMark and desiredSize. There is a writer.ready promise that producers of data are supposed to pay attention but often don't.
Hans-Christoph Steiner
，这一点在Line官方版本下载中也有详细论述
Control outbound network access with three modes:
本质上，基于 AppFunctions 的实现方式，和过去的 API 路径逻辑相同。这是一种「打好了招呼」的解题思路。