In the previous chapter, I showed you what you can do with Spring Integration, a lightweight framework that connects external systems and processes to all kinds of data. But what happens when you need to do bulk processing? What happens when you need to perform business operations at a certain time in a mission-critical environment? How do you automate processing a large amount of data? How do you integrate an external system to process large data sets?
What is the typical system/scenario needed for a large data set? You probably need to read from a database or a file system (like HDFS), ...
