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cs.DB2026
Leveraging I/O Stalls for Efficient Scheduling in ANNS
Juncheng Zhang, Yuanming Ren, Yongkun Li +1
Disk-based graph indexes for approximate nearest neighbor search (ANNS) must serve latency-sensitive queries and throughput-demanding updates concurrently. We observe that over 40%…
cs.DB2025
FOCUS: Boosting Schema-aware Access for KV Stores via Hierarchical Data Management
Zhen Liu, Wenzhe Zhu, Yongkun Li +1
Persistent key-value (KV) stores are critical infrastructure for data-intensive applications. Leveraging high-performance Non-Volatile Memory (NVM) to enhance KV stores has gained…