I am an Assistant Professor in the Department of Computer Science at the University of Illinois at Urbana-Champaign. My research interests are in distributed systems, storage, and operating systems. I co-direct the Distributed And Storage Systems Laboratory (DASSL) at UIUC.

My work on distributed storage reliability has exposed many severe bugs in popular distributed systems. Ideas from my research on corruption-tolerant replication are implemented in a financial database. My work has appeared in top systems venues such as OSDI, SOSP, EuroSys, and FAST and has been recognized with best-paper awards at SOSP 24, FAST 20, and FAST 18 and a best paper award nomination at FAST 17. I am a recipient of a NSF CAREER award. I was selected for the Rising Stars in EECS workshop and a recipient of Facebook 2019 PhD Fellowship.

Previously, I was an affiliated/postdoctoral researcher at VMware Research Group. I earned my PhD in Computer Sciences from the University of Wisconsin – Madison, working with Prof. Andrea Arpaci-Dusseau and Prof. Remzi Arpaci-Dusseau. Prior to starting my Ph.D., I was a Research Fellow at Microsoft Research India in the Mobility, Networks, and Systems group. Before that, I graduated with a master’s degree from Indian Institute of Technology – Bombay.

I am looking for PhD and Masters students interested in systems to work with me.
If you are a student at UIUC reach out to me. If you are a prospective, please apply to the UIUC CS graduate program and mention my name in the application.

Recent News:

• 2026: Received an IBM Illinois Discovery Accelerator Institute grant for agent and KV-cache co-design.
• 2026: MEGALON has been accepted at OSDI '26.
• 2026: Will be on the EuroSys '27, FAST '27, and NSDI '27 program committees.
• 2026: Our work on logically disaggregated caches has been accepted at EuroSys '26.
• 2026: Will be on the OSDI '26, and SOSP '26 program committees.
• 2025: Received a TigerBeetle research gift.
• 2025: I made it onto the List of Teachers Ranked as Excellent By Their Students for Spring 2025.
• 2025: Our work on speculative shared logs has been accepted at OSDI '25.
• 2025: LazyLog was invited to fast-tracked publication to ACM Transactions on Computer Systems.
• Nov 2024: LazyLog receives a Best Paper Award at SOSP 24!
• Sep 2024: Will be on the Eurosys '25 and SOSP '25 program committee.
• May 2024: Will be on the FAST '25 program committee.
• Feb 2024: Excited to share that I was awarded the NSF CAREER Award!
• Sep 2023: Will be on the SOSP '24 program committee.
• May 2023: Will be on the OSDI '24 program committee.
• Mar 2023: Will be on the Eurosys '24 program committee.
• Mar 2023: Will be on the FAST '24 program committee.
• Feb 2023: Will be on the APSys '23 program committee.
• Jan 2023: Teaching a graduate course on fault-tolerant and consistent data center systems (CS 598FTS)
• Jan 2023: I made it onto the List of Teachers Ranked as Outstanding By Their Students for Fall 2022
• Jan 2023: Invited to serve on the HotStorage '23 program committee.
• Dec 2022: Will be on the NVMW '23 program committee.
• Dec 2022: Will be co-organizing the Doctoral workshop at SOSP'23 .
• Sep 2022: Will be on the SYSTOR '23 program committee.
• Aug 2022: Teaching a graduate course on ML for Systems (CS 598AWG) in Fall 2022
• Aug 2022: I am starting as an Assistant Professor at UIUC CS.
• Jun 2022: Invited to serve on the SOCC '22 program committee.
• May 2022: Invited to serve on the OSDI '23 program committee.
• May 2022: Will be co-chairing FAST '23 poster and work-in-progress session.
• Mar 2022: Sieve has been accepted at OSDI '22

CS 598 FTS: Fault-tolerant and consistent data center systems (Spring '26)
CS 425: Distributed systems (Fall '25) (co-teaching with Indranil Gupta and Ram Kesavan)
CS 598 FTS: Fault-tolerant and consistent data center systems (Spring '25)
CS 425: Distributed systems (Fall '24) (co-teaching with Indranil Gupta)
CS 591 SN: Systems and Networking Seminar (Fall '24) (Co-organizing w/ Jongyul Kim, Ramnatthan Alagappan, Indranil Gupta, and Tianyin Xu)
CS 425: Distributed systems (Fall '23) (co-teaching with Indranil Gupta)
CS 591 SN: Systems and Networking Seminar (Fall '23) (Co-organizing w/ Ramnatthan Alagappan, Indranil Gupta, and Tianyin Xu)
CS 598 FTS: Fault-tolerant and consistent data center systems (Spring '23)
CS 591 SN: Systems and Networking Seminar (Spring '23) (Co-organizing w/ Ramnatthan Alagappan, Indranil Gupta, and Tianyin Xu)
CS 598 AWG: ML for Systems (Fall '22) List of Teachers Ranked as Excellent By Their Students
CS 591 SN: Systems and Networking Seminar (Fall '22) (Co-organizing w/ Ramnatthan Alagappan, Indranil Gupta, and Tianyin Xu)
CS 739: Distributed Systems (Spring ’20) (UW Madison) Graduate Student Instructor Award

• aganesn2 AT illinois DOT edu