The Web streams spec requires promise creation at numerous points — often in hot paths and often invisible to users. Each read() call doesn't just return a promise; internally, the implementation creates additional promises for queue management, pull() coordination, and backpressure signaling.
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。业内人士推荐新收录的资料作为进阶阅读
Without an index, this query takes 15 seconds. To accelerate it, we can create a B-Tree index on timestamp.，这一点在新收录的资料中也有详细论述
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