Conference

TensorHub: Scalable and Elastic Weight Transfer for LLM RL Training

Modern LLM reinforcement learning (RL) workloads require a highly efficient weight transfer system to scale training across …

Chenhao Ye, Huaizheng Zhang, Mingcong Han, Baoquan Zhong, Xiang Li, Qixiang Chen, Xinyi Zhang, Weidong Zhang, Kaihua Jiang, Wang Zhang, He Sun, Wencong Xiao, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau

Cache-Centric Multi-Resource Allocation for Storage Services

We present HARE, a cache-centric multi-resource allocation algorithm for storage services. HARE introduces a holistic allocation model …

Chenhao Ye, Shawn (Wanxiang) Zhong, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau

Cloudscape: A Study of Storage Services in Modern Cloud Architectures

We present Cloudscape, a dataset of nearly 400 cloud architectures deployed on AWS. We perform an in-depth analysis of the usage of …

Sambhav Satija, Chenhao Ye, Ranjitha Kosgi, Aditya Jain, Romit Kankaria, Yiwei Chen, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau, Kiran Srinivasan

Polaris: Enabling Transaction Priority in Optimistic Concurrency Control

Transaction priority is a critical feature for real-world database systems. Under high contention, certain classes of transactions …

Chenhao Ye, Wuh-Chwen Hwang, Keren Chen, Xiangyao Yu

MadFS: Per-File Virtualization for Userspace Persistent Memory Filesystems

Persistent memory (PM) can be accessed directly from userspace without kernel involvement, but most PM filesystems still perform …

Shawn Zhong, Chenhao Ye, Guanzhou Hu, Suyan Qu, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau, Michael M. Swift

Using Trātṛ to tame Adversarial Synchronization

We show that Linux containers are vulnerable to a new class of attacks – synchronization attacks – that exploit kernel synchronization …

Yuvraj Patel, Chenhao Ye, Akshat Sinha, Abigail Matthews, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau, Michael M. Swift

Scale and Performance in a Filesystem Semi-Microkernel

We present uFS, a user-level filesystem semi-microkernel. uFS takes advantage of a high-performance storage development kit to realize …

Jing Liu, Anthony Rebello, Yifan Dai, Chenhao Ye, Sudarsun Kannan, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau