Spark Streaming

Spark Streaming is another Spark module that extends the core Spark API and provides a scalable, fault-tolerant, and efficient way of processing live streaming data. By converting streaming data into micro batches, Spark's simple batch programming model can be applied in streaming use cases too. This unified programming model makes it easy to combine batch and interactive data processing with streaming. Diverse sources that ingest data are supported (Kafka, Kinesis, TCP sockets, S3, or HDFS, just to mention a few of the popular ones), as well as data coming from them, and can be processed using any of the high-level functions available in Spark. Finally, the processed data can be persisted to RDBMS, NoSQL databases, HDFS, ...

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