Jiesheng Wu
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| title | conference | date |
|---|---|---|
| ZOC: Elastic and Cost-Efficient Virtual SmartNIC Architecture for Cloud Physical Machines | NSDI '26 | 2026-05-04 |
ZOC implements a software-defined virtual SmartNIC by combining a passthrough NIC with a dedicated service VM that traps MMIO to an IO proxy, uses a virtual… | ||
| Here, There and Everywhere: The Past, the Present and the Future of Local Storage in... | FAST '26 | 2026-02-24 |
Cloud local storage evolution is traced from Espresso (SPDK user-space poll), which cuts kernel context-switch overhead but wastes CPU (99% of nodes show <60%… | ||
| How Soon is Now? Preloading Images for Virtual Disks with ThinkAhead | FAST '26 | 2026-02-24 |
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… | ||
| To PRI or Not To PRI, That's the question | OSDI '25 | 2025-07-07 |
Software-only dynamic passthrough called VIO prevents device DMA page faults without hardware changes by inserting a shadow available queue and IOPA-snooping… | ||
| DRust: Language-Guided Distributed Shared Memory with Fine Granularity, Full... | 18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24) | 2024-07-10 |
DRust is a Rust-based DSM that exposes Rust’s ownership and borrow semantics to the runtime and uses an ownership-based coherence protocol to avoid… | ||
| Ransom Access Memories: Achieving Practical Ransomware Protection in Cloud with DeftPunk | 18th 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… | ||
| What's the Story in EBS Glory: Evolutions and Lessons in Building Cloud Block Store | 22nd USENIX Conference on File and Storage Technologies (FAST '24) | 2024-02-27 |
Three generations of Alibaba Cloud Block Store evolve from a simple two-layer replica model to an SSD/RSBD plus Pangu backend and finally to a… | ||
| Deploying User-space TCP at Cloud Scale with LUNA | USENIX ATC '23 | 2023-07-10 |
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… | ||
| Perseus: A Fail-Slow Detection Framework for Cloud Storage Systems | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
Perseus detects fail-slow drives non‑intrusively by modeling latency versus throughput with a light regression model, using outlier removal, an adaptive upper… | ||
| Fisc: A Large-scale Cloud-native-oriented File System | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
A cloud-native file system that offloads heavy client functions into local agents and DPU-based virtio devices and introduces vrpc and a file-based range table… | ||
| More Than Capacity: Performance-oriented Evolution of Pangu in Alibaba | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
A global unified storage system evolves to deliver 100‑microsecond average latency by deploying a user‑space storage OS (USS OS), RDMA from 25Gbps to 100Gbps… | ||
| SMRSTORE: A Storage Engine for Cloud Object Storage on HM-SMR Drives | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
SMRSTORE is a log-structured user-space engine that writes chunk records directly to zoned HM-SMR drives via zoned block I/O, implements per-zone in-memory… | ||
| NVMe SSD Failures in the Field: the Fail-Stop and the Fail-Slow | USENIX ATC '22 | 2022-07-11 |
Logs from 1.8 million NVMe SSDs at Alibaba drive these claims: infant mortality disappears (failure rates in months one–three are at or below long‑term rates)… | ||
| When Cloud Storage Meets RDMA | NSDI ’21 | 2021-04-12 |
Pangu integrates RDMA into production cloud storage and reports concrete wins: a user‑space stack (USS OS and USS file system) boosts CPU efficiency by over… | ||
| Lessons and Actions: What We Learned from 10K SSD-Related Storage System Failures | USENIX ATC '19 | 2019-07-10 |
Study analyzes about 10K RASR failures across ~500k SSDs over three years in Alibaba Cloud and quantifies causes: passive heating from mixed rack placement… | ||
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