Million‑Scale Data Export with JPA and MyBatis in Spring Boot

This article explains how to export tens of millions of rows from MySQL using Spring Boot by streaming data with JPA or MyBatis, avoiding OutOfMemoryError, switching to CSV format, and provides complete code examples, performance comparison, and tips for generating test data.

CSVDataExportMyBatis

0 likes · 12 min read

Million‑Scale Data Export with JPA and MyBatis in Spring Boot

Selected Java Interview Questions

Mar 7, 2023 · Backend Development

Streaming Large-Scale Data Export in SpringBoot Using JPA and MyBatis to Avoid OOM

The article explains how to prevent OutOfMemoryError when exporting massive MySQL datasets by streaming records with JPA or MyBatis, writing them directly to CSV files, and demonstrates significant memory savings compared to traditional batch export methods.

CSVDataExportMyBatis

0 likes · 10 min read

Streaming Large-Scale Data Export in SpringBoot Using JPA and MyBatis to Avoid OOM