Unverified50% confidenceSolutionExact time
SQL Server 并行度成本阈值（CTFP）的默认值为 5，该值设定于1990年代基于单核工作站，SQL Server 社区普遍建议调整至 50 左右甚至更高
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50%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
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