Dr. Sarp Oral is the Group Leader for the Technology Integration Group and a Distinguished Research Scientist at the National Center of Computational Sciences (NCCS) Division of Oak Ridge National Laboratory.

Sarp holds a PhD in Computer Engineering from University of Florida. He joined the ORNL in 2006 and his research and development interests are parallel I/O and file system technologies, benchmarking, high-performance computing and networking, fault-tolerance.


University of Florida
Computer Engineering
Doctor of Philosophy (Ph.D.)

R&D Activities Contributions

Big PanDA Workflow Management on Titan for High Energy and Nuclear Physics and for Future Extreme Scale Scientific Applications - This project will provide an important model for future exascale computing, increasing the coherence between the technology base used for high-performance computing and that used…

Spider Storage System - The Spider Lustre-based Parallel File System Development and Deployment: The OLCF has deployed multiple large-scale parallel file systems (PFS) to support its operations. During this…

Improving Parallel IO Efficiency & Usability - Spider PFS Metadata Snapshot Capture and Analysis: (i) LustreDU: The development a scalable tool to capture daily snapshots of the 1-Billion entry Spider PFS’s metadata.…

Grand Unified Information Directory Environment (GUIDE) - GUIDE is a framework used to collect, federate, and analyze log data from OLCF, and to derive insights into facility operations based on the log…

I/O and Data Seminar Series - This seminar series focuses on I/O and Data Sciences and Engineering research and development activities across the DOE National Laboratories, Academia, and Industry. A series…

Staff Activities

Community Service:


Director at Large

Director at Large of the Open Scalable File Systems (OpenSFS) non-profit organization


President of the OpenSFS

President and Director of the Board of Executives of the Open Scalable File Systems (OpenSFS) non-profit organization


Vice President of the OpenSFS

Vice President of the Open Scalable File Systems (OpenSFS) non-profit organization


2019 — Secretary of Energy’s Honor Award - Department of Energy, Summit and Sierra Teams

2019 — UT-Battelle Annual Award - ORNL - Summit Project

2015 — Significant Event Award - ORNL - Summit Supercomputer Acquisition Project

2011 — Significant Event Award - ORNL - Establishment of the National Climate Computing Research Center

2011 — Significant Event Award - ORNL - Spider file system performance improvement through technology integration

2010 — Significant Event Award - ORNL - Spider parallel file system deployment and transition to operations

2006 — Significant Event Award - ORNL - Jaguar Acceptance Milestone