4. Which metrics should I be looking at?
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Instead of tee() with its hidden unbounded buffer, you get explicit multi-consumer primitives. Stream.share() is pull-based: consumers pull from a shared source, and you configure the buffer limits and backpressure policy upfront.
基于宏观数据与微观调研，本报告识别出以下五个具备“高确定性、低初期投入、技术赋能”特征的方向：