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Tag: Exactly-once
5 items with this tag.
Feb 28, 2026
Source 与 Sink:DataSource V2 的流式读写接口
Spark
Structured-Streaming
Source
Sink
Kafka
DataSource-V2
Exactly-once
Offset管理
Feb 28, 2026
dropDuplicates 与精确去重:Exactly-once 的应用层保障
Spark
Structured-Streaming
dropDuplicates
去重
Exactly-once
Watermark
State-Store
幂等
Feb 28, 2026
Structured Streaming 容错模型:Offset 与 Checkpoint
Spark
Structured-Streaming
容错
Checkpoint
Offset
Epoch
Exactly-once
StreamExecution
Feb 28, 2026
WAL 与幂等写出:Exactly-once 的两道保险
Spark
Structured-Streaming
WAL
幂等
Exactly-once
Kafka-Sink
Delta-Lake
ForeachBatch
事务
Feb 28, 2026
流批一体:Structured Streaming 写入与读取 Delta Lake
Delta-Lake
Structured-Streaming
流批一体
Exactly-once
Delta-Source
Change-Data-Feed
增量读取
流式写入