Youyou Lu
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| title | conference | date |
|---|---|---|
| Cost-efficient Archive Cloud Storage with Tape: Design and Deployment | FAST '26 | 2026-02-24 |
TapeOBS claims tape reduces TCO 4.95× and CO2e by 97% and runs in production storing hundreds of petabytes since 2024. It uses a 4% HDD staging pool to make a… | ||
| OdinANN: Direct Insert for Consistently Stable Performance in Billion-Scale Graph-Based.. | FAST '26 | 2026-02-24 |
OdinANN implements direct insert into an on-disk graph index (2x SSD overprovisioning) and claims billion-scale stability while ingesting up to 100 million… | ||
| Discard-Based Garbage Collection for Distributed Log-Structured Storage Systems in... | FAST '26 | 2026-02-24 |
ByteStore implements a new Discard-and-Compaction GC called DisCoGC that reclaims large contiguous stale ranges without rewriting valid data, implemented by… | ||
| Achieving Low-Latency Graph-Based Vector Search via Aligning Best-First Search... | OSDI '25 | 2025-07-07 |
An on-disk system called PipeANN aligns best-first graph search with SSD behavior by issuing speculative, pipelined reads decided from the in-memory candidate… | ||
| GPREEMPT: GPU Preemptive Scheduling Made General and Efficient | USENIX ATC '25 | 2025-07-07 |
Repurposes GPU hardware time slicing and a small driver API to achieve near-instant context-switch preemption, claiming preemption latency within 40 μs while… | ||
| Weaver: Efficient Multi-LLM Serving with Attention Offloading | USENIX ATC '25 | 2025-07-07 |
Weaver implements attention offloading that lets hot models borrow KV cache memory on cold-model GPUs by shipping QKV vectors and running attention there… | ||
| A Tale of Two Paths: Toward a Hybrid Data Plane for Efficient Far-Memory Applications | 18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24) | 2024-07-10 |
Atlas implements a hybrid data plane that picks per‑page transfer mode using always‑on profiling (a per‑page card table measuring card access ratio) and a… | ||
| TeRM: Extending RDMA-Attached Memory with SSD | 22nd USENIX Conference on File and Storage Technologies (FAST '24) | 2024-02-27 |
Extends RDMA-attached memory by mapping SSD-backed virtual space (64 GB VM with 32 GB RAM in tests) and replacing NIC page-fault handling with user-space… | ||
| Replicating Persistent Memory Key-Value Stores with Efficient RDMA Abstraction | OSDI 2023 | 2023-07-10 |
OSDI '23 - Replicating Persistent Memory Key-Value Stores with Efficient RDMA Abstraction
Qing Wang, Tsinghua University, Youyou Lu, Tsinghua University, Jing… | ||
| Revisiting Secondary Indexing in LSM-based Storage Systems with Persistent Memory | USENIX ATC '23 | 2023-07-10 |
Claims a complete design called PERSEID that uses a PS3 two-layer PM index, a hybrid PM-DRAM hash validation to avoid expensive primary-table reads, and two… | ||
| SingularFS: A Billion-Scale Distributed File System Using a Single Metadata Server | USENIX ATC '23 | 2023-07-10 |
SingularFS builds a billion-scale distributed file system that uses a single metadata server and persistent memory with RDMA, replacing journaling with a KV… | ||
| Citron: Distributed Range Lock Management with One-sided RDMA | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
Citron implements a distributed range lock manager that uses one-sided RDMA and a static segment tree layout so clients bypass server-side CPUs. It maps any… | ||
| Patronus: High-Performance and Protective Remote Memory | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
PATRONUS implements a protective RDMA remote-memory system that preserves one-sided access while using memory windows and tokenized permissions to enforce… | ||
| λ-IO: A Unified IO Stack for Computational Storage | FAST '23: 21st USENIX Conference on File and Storage Technologies | 2023-02-21 |
λ-IO presents a full-stack software and hardware prototype (OpenSSD acting as NVMe) that routes per-request computation to whichever side is predicted faster… | ||
| Pacman: An Efficient Compaction Approach for Log-Structured Key-Value Store... | USENIX ATC '22 | 2022-07-11 |
Pacman is a persistent-memory aware compaction design for log-structured key-value stores that offloads reference search to service threads, uses tagged… | ||
| AlNiCo: SmartNIC-accelerated Contention-aware Request Scheduling for Transaction... | USENIX ATC '22 | 2022-07-11 |
USENIX ATC '22 - AlNiCo: SmartNIC-accelerated Contention-aware Request Scheduling for Transaction Processing
Junru Li, Youyou Lu, Qing Wang, Jiazhen Lin, Zhe… | ||
| InfiniFS: An Efficient Metadata Service for Large-Scale Distributed Filesystems | FAST '22 | 2022-02-22 |
InfiniFS implements access-content decoupling to partition directory metadata for both locality and load balance, a speculative path resolution that predicts… | ||
| Nap: A Black-Box Approach to NUMA-Aware Persistent Memory Indexes | 15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21) | 2021-07-14 |
Nap converts existing concurrent persistent‑memory indexes into NUMA‑aware ones by adding a NUMA‑aware layer that keeps per-node partial views in PM for local… | ||
| Max: A Multicore-Accelerated File System for Flash Storage | USENIX ATC '21 | 2021-07-14 |
Max implements a multicore-friendly log-structured file system in the Linux kernel (based on F2FS) and demonstrates concrete speedups: evaluated on a 72-core… | ||
| Scalable Persistent Memory File System with Kernel-Userspace Collaboration | FAST '21 | 2021-02-23 |
Kuco is a client–server PM filesystem architecture that maps persistent memory into user space while keeping a tiny kernel KFS to enforce permissions via… | ||
| Concordia: Distributed Shared Memory with In-Network Cache Coherence | FAST '21 | 2021-02-23 |
Concordia implements a DSM that pushes cache coherence into programmable switches, using a hybrid protocol FLOWCC that stores per-block metadata and a… | ||
| Cognitive SSD: A Deep Learning Engine for In-Storage Data Retrieval | USENIX ATC '19 | 2019-07-10 |
Cognitive SSD places a flash‑side deep learning and graph‑search accelerator called DLG-x inside the SSD, exposes functions via NVMe command extension, and… | ||
| nothing matches | ||