Unverified50% confidenceFactExact time
USL（通用扩展定律）由计算机科学家Neil Gunther于1990年代提出，在Amdahl定律基础上引入了相干性成本项
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
PostgreSQL Lock Contention: The Root Cause and Solutions for High-Concurrency Scalability Bottlenecks
hackernewshackernews7/9/2026
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