Spark Streaming is an extension of the core Spark API that enables continuous data stream processing. It is particularly useful when data needs to be processed in real-time. carol mcdonald, Solution Architect and HBase/Hadoop Instructor at MapR, covers:
- What is Spark Streaming and what is it used for?
- How does Spark Streaming work?
- Example code to read, process, and write the processed data
There is more here on the Free Code Fridays page