hash bucketing

Architecture Digest

Aug 29, 2016 · Big Data

Scalable In‑Memory Cache Design for DMP Using Hash Bucketing and MD5‑Based Key Compression

The article presents a large‑scale DMP caching solution that stores billions of third‑party IDs and demographic tags in memory by compressing keys with MD5‑derived bucket IDs, applying eviction policies, reducing memory fragmentation, and demonstrating up to 78% memory savings.