Apache Flink with Stephan Ewen


“My bet is that there is going to be a big shift towards streaming technologies in the future.”

Apache Flink is an open-source framework for distributed stream and batch data processing.

Stephan Ewen is a committer and PMC member of the Flink project, and the CTO of Data Artisans.


  • How do you define streaming and batch?
  • Can you give a high level description of Flink?
  • What does Flink replace or augment in Hadoop architecture?
  • What is the Kappa Architecture?
  • How does Flink maintain fault tolerance?
  • Would a user ever want to include both Flink and Spark on the same stack?
  • What is an iterative algorithm?



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