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Feifei Li

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titleconferencedate
PolarStore: High-Performance Data Compression for Large-Scale Cloud-Native DatabasesFAST '262026-02-24
PolarStore implements dual-layer compression: a software layer compresses 16 KB pages with per-page adaptive selection between LZ4 and ZSTD (default LZ4 at…
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Encrypted Databases Made Secure Yet MaintainableOSDI 20232023-07-10
Presents HEDB, a dual‑mode encrypted DB that blocks a newly demonstrated smuggle attack by isolating operators in Execution Mode and enabling safe maintenance…
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FPGA-Accelerated Compactions for LSM based Key-Value StoreFAST '202020-02-24
Offloads LSM compactions to FPGA co‑processors integrated with X-Engine, implementing pipelined decoder–merger–encoder compaction units over PCIe and running…
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HotRing: A Hotspot-Aware In-Memory Key-Value StoreFAST '202020-02-24
HotRing claims a 2.58× throughput win on highly skewed workloads by reordering hash chains into an ordered-ring hash and advancing per-bucket head pointers…
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