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Zhongyu Wang

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"Range as a Key" is the Key! Fast and Compact Cloud Block Store Index with RASKFAST '262026-02-24
RASK is a tree-structured cloud block-store index that natively uses range-as-a-key with adaptive radix tree internals and B-tree cell leaves, a log-structured…
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How Soon is Now? Preloading Images for Virtual Disks with ThinkAheadFAST '262026-02-24
Trace analysis of ~160,000 image loads finds lazy loading causes 40% of slow I/Os (>1s), so ThinkAhead preloads blocks using score-based block selection…
Talk
Ransom Access Memories: Achieving Practical Ransomware Protection in Cloud with DeftPunk18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24)2024-07-10
DeftPunk is a block-level ransomware detection and recovery system for cloud block stores that pairs a two-layer classifier (fast decision tree front end…
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Deploying User-space TCP at Cloud Scale with LUNAUSENIX ATC '232023-07-10
LUNA is a user-space TCP libOS built with DPDK and SR-IOV/flow-steering that runs on a run-to-completion model (batch and inline r2c), a user-space…
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