2 papers
cs.DB2026
ConStore: Search-Overlapped Prefetch and Co-Retrieval-Aware Content Storage for Disk-Based ANNS
Zhutao Zhuang, Nong Xiao, Zhiguang Chen +1
Disk-based approximate nearest-neighbor search (ANNS) supports retrieval-augmented generation (RAG), search, recommendation, and advertising over corpora that exceed memory capacit…
cs.DB2024
DumpKV: Learning based lifetime aware garbage collection for key value separation in LSM-tree
Zhutao Zhuang, Xinqi Zeng, Zhiguang Chen
Key\-value separation is used in LSM\-tree to stored large value in separate log files to reduce write amplification, but requires garbage collection to garbage collect invalid val…