Spring Batch learned to work with MongoDB
Summary
Spring Batch now supports MongoDB as a JobRepository backend through Spring Boot 4.1, reducing the need to rely only on JDBC and SQL storage. The article walks through an ETL demo that moves customer data from CSV into PostgreSQL while storing batch metadata in MongoDB. It also covers Spring Batch events, observability with OpenTelemetry and Grafana, and native-image support for GraalVM. The main message is that Spring Batch users can now run batch workloads with a more flexible document-store-based repository option.
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