Drastically Reducing Out-of-Memory Errors in Apache Spark at Pinterest

• Felix Loesing | Software Engineer In 2025, we set out to drastically reduce out-of-memory errors (OOMs) and cut resource usage in our Spark applications by automatically identify

Engineering Blogs · February 17, 2026 (updated February 25, 2026) · 2 min · 292 words

Drastically Reducing Out-of-Memory Errors in Apache Spark at Pinterest

• Felix Loesing | Software Engineer In 2025, we set out to drastically reduce out-of-memory errors (OOMs) and cut resource usage in our Spark applications by automatically identify