[KongchangAI]
Unverified50% confidenceFactExact time

DataFrame 构建在 RDD 之上,基于 Spark SQL 引擎,具备查询规划与自动优化能力,生产场景推荐优先使用 DataFrame API

1
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50%
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Long-term
Relevance
8/15/2026
First Seen

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