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Baidu Geek Talk
Baidu Geek Talk
Aug 5, 2024 · Backend Development

Cache Algorithm Optimization for SSD-Based Advertising Retrieval System

The paper presents SsdEngine, a hierarchical SSD‑based advertising retrieval cache that combines a thread‑local ART cache with a lock‑free central array, uses flying pointer‑swizzling to cut duplicate I/O, and evaluates eviction policies (LRU, DoubleClock, TinyLFU, ARC), showing LRU excels under Zipfian locality while TinyLFU improves small‑cache hit rates.

DoubleClockLRU evictionNVMe SSD
0 likes · 23 min read
Cache Algorithm Optimization for SSD-Based Advertising Retrieval System
Sohu Tech Products
Sohu Tech Products
Sep 8, 2021 · Backend Development

Hot Data Detection and Optimized Caching with Caffeine and HotCaffeine

This article explains the concept of hot data, categorizes its types, discusses caching trade‑offs, introduces LFU, LRU and TinyLFU algorithms, describes the HotCaffeine system architecture and features, and presents performance improvements and practical deployment considerations for Java backend services.

HotCaffeineJavaPerformance
0 likes · 12 min read
Hot Data Detection and Optimized Caching with Caffeine and HotCaffeine