Stop Guessing Thread Pool Sizes: How to Plug AI into Spring Batch Safely

Hard coding thread pool sizes in Spring Batch rarely works well in real production systems, where load and conditions constantly change. This article explains how to use executor based concurrency, fix common thread-safety issues, and add clear guardrails so batch jobs can adapt safely. It also shows where AI can be introduced as a guiding layer to help tune performance over time without putting stability at risk.