~/talks

Guangyan Zhang

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titleconferencedate
Espresso: Constructing Cost-Efficient CXL JBOF via Inter-SSD Computing Resource Sharing20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26)2026-07-13
Espresso builds a JBOF that disaggregates SSDs into disaggregated compute/data ends and uses the cache-coherent CXL fabric to harvest idle onboard ARM cores…
Talk
Bidaw: Enhancing Key-Value Caching for Interactive LLM Serving via Bidirectional...FAST '262026-02-24
Bidaw implements a two-tier KV cache (host memory + SSD) and coordinates compute and storage: IO-aware request scheduling separates and reorders requests by…
Talk on
DRBoost: Boosting Degraded Read Performance in MSR-Coded Storage ClustersFAST '262026-02-24
DRBoost implements partial-chunk reconstruction, a reconstruction-friendly coding layout, and a fragmentation-free storage layout and integrates into Ceph. A…
Talk on
LogCrisp: Fast Aggregated Analysis on Large-scale Compressed Logs by Enabling...USENIX ATC '252025-07-07
LogCrisp implements a two-phase pattern extraction that extracts a global Sketch offline and lightweight per-block Specs online, decoupling global description…
Talk on
StreamCache: Revisiting Page Cache for File Scanning on Fast Storage DevicesUSENIX ATC 20242024-07-10
Revisits kernel page cache for scan workloads and builds StreamCache in XFS with a stream tracking tree, stream-granular reclaim, and a two-layer memory…
Talk on
Aurogon: Taming Aborts in All Phases for Distributed In-Memory TransactionsFAST '222022-02-22
Distributed in-memory system Aurogon implements 2LClock (two-layer RDMA-aware clock sync), adaptive request deferral for hotspot reads, and pre-attached writes…
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On the Feasibility of Parser-based Log Compression in Large-Scale Cloud SystemsFAST '212021-02-23
LogReducer is a C++ reimplementation of parser-based log compression that targets numerical fields and fixes logzip bottlenecks, using delta timestamps…
Talk on
FusionRAID: Achieving Consistent Low Latency for Commodity SSD ArraysFAST '212021-02-23
FusionRAID is a RAID redesign that implements two-phase writes (temporary replicated writes then in-place parity conversion), a dynamic block map with static…
Talk on
Dayu: Fast and Low-interference Data Recovery in Very-large Storage SystemsUSENIX ATC '192019-07-10
Paper builds a centralized timeslot-based scheduler that only schedules tasks likely to finish in the slot, combines a greedy source/destination picker with…
Talk on
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