Spring Full-Stack Practical Cases
Jun 16, 2026 · Backend Development
Avoid OOM: Stream Massive Excel Files with Minimal Memory Using Excel‑Streaming‑Reader
This article explains how to prevent out‑of‑memory errors when importing huge Excel files in Java by using the open‑source excel‑streaming‑reader library, showing Maven setup, streaming code examples, memory‑saving configurations for shared strings and comments, and tips for handling extremely large workbooks.
Apache POIExcelMemory Optimization
0 likes · 8 min read
