samdeepthink
Jul 16, 2026 · Backend Development
How Off‑Heap Caching Eliminates GC Scanning for Massive Product Data
The article explains why a large product cache moved from an in‑heap Caffeine cache to an off‑heap OHC solution, detailing serialization trade‑offs, per‑dimension cache configuration, singleflight loading, and the performance gains observed during high‑traffic promotions.
GC optimizationKryoPerformance
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