Unverified50% confidenceFactExact time
自旋锁（spinlock）本质上是忙等待循环，进程在等待锁释放期间会持续消耗CPU周期而非让出CPU
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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