Unverified50% confidenceFactExact time
USL中相干性开销与并发进程数N的平方成正比，而有效工作量仅与N成正比，超过临界值后导致负扩展
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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