Unverified50% confidenceFactExact time
Checkpoint是Structured Streaming容错机制的核心,每个微批次执行时Spark会将算子的状态快照和执行进度持久化到外部存储(通常是HDFS或对象存储)
1
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50%
Confidence
Long-term
Relevance
9/14/2026
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