When people first use Spring Batch, they usually start with a simple single-threaded job. That works for small datasets, but once data volume grows, throughput becomes the bottleneck. In this sample project, I implemented a partitioned, multi-threaded Spring Batch pipeline to process sales records in parallel using a master/worker step model. 👉 Code repo: github.com/ykpraveen/spring-batch-sample Spring Batch At its core, Spring Batch is built around a few key abstractio...