(10) What is the use of checkpoint interval in Spark streaming? - Quora



(10) What is the use of checkpoint interval in Spark streaming? - Quora

Checkpointing is used to store the state the the spark streaming system, so that the  system can recover after failure. But checkpointing is not suitable for source systems like Kafka and Flume, so APache Spark 1.3 provides WAL.

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