If you read the latest press, the topic of batch processing will hardly come up. A quick scan of the largest Java conferences will have virtually zero talks dedicated to the topic outright. Rooms are filled with attendees learning about stream processing. Data science talks gather large crowds. Blog posts on cloud native applications focused on web-based systems (REST, etc.) get the highest number of views. However, under all of it all, batch is still there.
Your bank and 401k statements are all generated via batch processes. The e-mails you receive from your favorite ...