Sarp Oral Section Head, Advanced Technologies Contact ORALHS@ORNL.GOV All Publications I/O Bottleneck Detection and Tuning: Connecting the Dots using Interactive Log Analysis Understanding Lustre Internals Second Edition Interpreting Write Performance of Supercomputer I/O Systems with Regression Models Battle of the Defaults: Extracting Performance Characteristics of HDF5 under Production Load US Department of Energy, Office of Science High Performance Computing Facility Operational Assessment 2019 Oak Ridge Leadership Computing Facility Characterizing Output Bottlenecks of a Production Supercomputer: Analysis and Implications LCIO: Large Scale Filesystem Aging Applying Machine Learning to Understand Write Performance of Large-scale Parallel Filesystems End-to-end I/O portfolio for the summit supercomputing ecosystem... Learning from Five-year Resource-Utilization Data of Titan System Learning from Five-year Resource-Utilization Data of Titan System Scaling the Summit: Deploying the World's Fastest Supercomputer iez: Resource Contention Aware Load Balancing for Large-Scale Parallel File Systems Data Jockey: Automatic Data Management for HPC Multi-Tiered Storage Systems The Design, Deployment, and Evaluation of the CORAL Pre-Exascale Systems Are we witnessing the spectre of an HPC meltdown? Are We Witnessing the Spectre of an HPC Meltdown? Wide-area lustre file system using LNet routers I/O load balancing for big data HPC applications Automatic and Transparent Resource Contention Mitigation for Improving Large-Scale Parallel File System Performance... GUIDE: A Scalable Information Directory Service to Collect, Federate, and Analyze Logs for Operational Insights into a Leader... Diving into Petascale Production File Systems through Large Scale Profiling and Analysis High-Throughput Computing on High-Performance Platforms: A Case Study Predicting Output Performance of a Petascale Supercomputer Output Performance Study on a Production Petascale Filesystem Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links Google Scholar ORCID Organizations Computing and Computational Sciences Directorate National Center for Computational Sciences Advanced Technologies Section