Yang Wang

Yang Wang

Assistant Professor
Office: DL689
Department of Computer Science and Engineering
The Ohio State University
Email: wang dot 7564 at osu dot edu

I am an assistant professor in the CSE department of OSU. My research interests are in distributed systems, in particular fault tolerance, scalability, and performance optimization.

I received my Ph.D. in Computer Science from the University of Texas at Austin in 2014. My advisors are Dr. Lorenzo Alvisi and Dr. Mike Dahlin. I received Google Ph.D. Fellowship in Distributed Computing in 2013. I received my master's (advisor: Dr. Jiwu Shu) and bachelor's degree in Computer Science in 2008 and 2005 respectively from Tsinghua University in China.

My research has been funded by NSF CNS-1566403, CCF-1747447, and CNS-1908020.

My CV can be found here.

Research:

wPerf [paper, source code]: it builds a tool to identify waiting events that are limiting the maximal throughput of a multi-threaded application.
SafeTimer [paper, source code]: it enhances existing timeout detection protocols to tolerate long delays in the OS and the application.
Hadoop metadata benchmark [paper, source code]: it builds benchmarks to test HDFS NameNode and Yarn Resource Manager at scale.
ThriftyPaxos [paper, source code]: it reduces the replication cost of Paxos to f+1 in the common case without hurting its availability during failues.

Teaching:

2021 Spring, 2020 Fall, 2017 Spring, 2016 Fall, 2015 Fall: CSE2431 System II Operating System.
2020 Spring, 2017-2019 Fall: CSE6431 Advanced Operating System.
2019 Spring: CSE 5429 System Design for New Hardware.
2016 Spring: CSE 5439 Large-scale Data Processing.

Publications:

[EuroSys '21] Finding Unsafe Heterogeneous Configuration in Cloud Systems.
Sixiang Ma, Fang Zhou, Mike Bond, and Yang Wang.
Accepted by EuroSys 2021.
[FAST '21] On the Feasibility of Parser-based Log Compression in Large-Scale Cloud Systems.
Junyu Wei, Guangyan Zhang, Yang Wang, Zhiwei Liu, Zhanyang Zhu, Junchao Chen, Tingtao Sun, and Qi Zhou.
Acceptabed by the 19th USENIX Conference on File and Storage Technologies.
[ToN] SICS: Secure and Dynamic Middlebox Outsourcing.
Huazhe Wang, Xin Li, Yang Wang, Yu Zhao, Yu Ye, Hongkun Yang, and Chen Qian.
IEEE/ACM Transactions on Networking, Vol 6, Issue 28, Sep 2020.
[VLDB '20] IsoDiff: Debugging Anomalies Caused by Weak Isolation.
Yifan Gan, Xueyuan Ren, Drew Ripberger, Spyros Blanas, and Yang Wang.
In the 46th International Conference on Very Large Data Bases, online, Aug - Sep 2020.
[ASPLOS '20] FlatStore: an Efficient Log-Structured Key-Value Storage Engine for Persistent Memory.
Youmin Chen, Youyou Lu, Fan Yang, Qing Wang, Yang Wang, and Jiwu Shu.
In the Twenty-Fifth International Conference on Architectural Support for Programming Languages and Operating Systems, online , Mar 2020.
[USENIX ATC '19] Dayu: Fast and Low-interference Data Recovery in Very-large Storage Systems.
Zhufan Wang, Guangyan Zhang, Yang Wang, Qinglin Yang, and Jiaji Zhu.
In 2019 USENIX Annual Technical Conference, Renton, WA, July 2019.
[USENIX ATC '19] PostMan: Rapidly Mitigating Bursty Traffic by Offloading Packet Processing.
Panpan Jin, Jian Guo, Yikai Xiao, Rong Shi, Yipei Niu, Fangming Liu, Chen Qian, and Yang Wang.
In 2019 USENIX Annual Technical Conference, Renton, WA, July 2019.
[ICS '19] Henosis: Workload-driven small array consolidation and placement for HDF5 applications on heterogeneous data stores.
Donghe Kang, Vadang Patel, Ashwati Nair, Spyros Blanas, Yang Wang, and Srinivasan Parthasarathy.
In the 33rd ACM International Conference on Supercomputing, Phoenix, AZ, June 2019.
[IEEE TC] Redio: Accelerating Disk-based Graph Processing by Reducing Disk I/Os.
Chengwen Wu, Guangyan Zhang, Yang Wang, Xinyang Jiang, and Weimin Zheng.
IEEE Transactions on Computers, Vol 68, Issue 3, March 2019.
[OSDI '18] wPerf: Generic Off-CPU Analysis to Identify Critical Waiting Events.
Fang Zhou, Yifan Gan, Sixiang Ma, and Yang Wang.
In the 13th USENIX Symposium on Operating Systems Design and Implementation, Carlsbad, CA, Oct 2018.
[MASCOTS 2018] Evaluating Scalability Bottlenecks by Workload Extrapolation.
Rong Shi, Yifan Gan, and Yang Wang.
In the 26th IEEE International Symposium on the Modeling, Analysis, and Simulation of Computer and Telecommunication Systems, Milwaukee, WI, Sep 2018.
[USENIX ATC '18] Accurate Timeout Detection Despite Arbitrary Processing Delays.
Sixiang Ma, and Yang Wang.
In 2018 USENIX Annual Technical Conference, Boston, MA, July 2018.
[USENIX ATC '16] Cheap and Available State Machine Replication.
Rong Shi, and Yang Wang.
In 2016 USENIX Annual Technical Conference, Denver, CO, June 2016.
[SOSP '15] High-Performance ACID via Modular Concurrency Control.
Chao Xie, Chunzhi Su, Cody Littley, Lorenzo Alvisi, Manos Kapritsos, and Yang Wang.
In the 25th ACM Symposium on Operating Systems Principles, Monterey, CA, Oct 2015.

-------- Prior to join OSU --------
[OSDI '14] Salt:Combining ACID and BASE in a Distributed Database.
Chao Xie, Chunzhi Su, Manos Kapritsos, Yang Wang, Navid Yaghmazadeh, Lorenzo Alvisi, and Prince Mahajan.
In the 11th USENIX Symposium on Operating Systems Design and Implementation, Broomfield, CO, Oct 2014.
[Systor 2014] Lazy Means Smart: Reducing Repair Bandwidth Costs in Erasure-coded Distributed Storage.
Best paper award.
Mark Silberstein, Lakshmi Ganesh, Yang Wang, Lorenzo Alvisi, and Mike Dahlin.
In the 7th ACM International Systems and Storage Conference, Haifa, Israel, June 2014.
[NSDI '14] Exalt: Empowering Researchers to Evaluate Large-Scale Storage Systems.
Yang Wang, Manos Kapritsos, Lara Schmidt, Lorenzo Alvisi, and Mike Dahlin.
In the 11th USENIX Symposium on Networked System Design and Implementation, Seattle, WA, Apr 2014.
[NSDI '13] Robustness in the Salus scalable block store.
Yang Wang, Manos Kapritsos, Zuocheng Ren, Prince Mahajan, Jeevetha Kirubanandam, Lorenzo Alvisi, and Mike Dahlin.
In the 10th USENIX Symposium on Networked System Design and Implementation, Lombard, Il, Apr 2013.
[OSDI '12] All about Eve: Execute-Verify Replication for Multi-Core Servers.
Manos Kapritsos, Yang Wang, Vivien Quema, Allen Clement, Lorenzo Alvisi, and Mike Dahlin.
In the 10th USENIX Symposium on Operating Systems Design and Implementation, Hollywood, CA, Oct 2012.
[USENIX ATC '12] Gnothi:Separating Data and Metadata for Efficient and Available Storage Replication.
Yang Wang, Lorenzo Alvisi, and Mike Dahlin.
In 2012 USENIX Annual Technical Conference, Boston, MA, June 2012.
[ACM TOS] SOPA: Selecting the Optimal Policy Adaptively.
Yang Wang, Jiwu Shu, Guangyan Zhang, Wei Xue, and Weimin Zheng.
ACM transactions on storage, Volume 6 Issue 2, July 2010.
[SOSP '09] UpRight Cluster Services.
Allen Clement, Manos Kapritsos, Sangmin Lee, Yang Wang, Lorenzo Alvisi, Mike Dahlin, and Taylor Riche.
In 22nd ACM Symposium on Operating Systems Principles, Big Sky, MT, Oct 2009.

Services:

PC member: ICDCS 2021, Eurosys 2021, OSDI 2020, USENIX ATC 2019 (ERC), ICDCS 2018, SoCC 2016, SysTOR 2016
Student Grant Committee member: SOSP 2019, SOSP 2017

Students:

Xueyuan Ren (Ph.D.)
Sixiang Ma (Ph.D.)
Yifan Gan (Ph.D.)
Fang Zhou (Ph.D.)
Yuyang Huang (OSU undergraduate)
Drew Ripberger (Sycamore High School and OSU undergraduate since 2020 fall)
Rong Shi (Ph.D. 2018): Facebook
Zijian Hu (Master 2017): Facebook.

Resources:

Cluster guidline: here
Public testbeds: CloudLab, Chameleon