Unverified50% confidenceFactExact time
RDD（弹性分布式数据集）是 Spark 的底层数据抽象，具备 lineage（血缘）特性，可在分区丢失时通过记录的创建步骤重新生成
1
Sources
50%
Confidence
Long-term
Relevance
8/15/2026
First Seen
Sources
Related Claims
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