How Pinterest cut Spark OOMs with automatic memory retries?

sora
Tue, 07 Apr 2026 13:00:21 +0000

Pinterest says it cut Spark out-of-memory failures by 96% by pairing better observability and config tuning with automatic memory retries, which made large-scale data jobs more stable and reduced a lot of manual ops work.

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Pinterest Reduces Spark OOM Failures by 96% Through Auto Memory Retries

Pinterest Engineering cut Apache Spark out-of-memory failures by 96% using improved observability, configuration tuning, and automatic memory retries. Staged rollout, dashboards, and proactive memory adjustments stabilized data pipelines, reduced...

Sora

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