2025/2026 Webinar Series
Webinar #5: The Flux Framework: Modern, Hierarchical Resource Management for Managing HPC Workloads
We hope you will join the next OFA webinar taking place Wednesday, February 25 at 10:00am PT, “The Flux Framework: Modern, Hierarchical Resource Management for Managing HPC Workloads.”
The Flux Framework is a suite of distributed services and APIs upon which a resource manager and scheduler are built. Flux is the primary workload manager for Lawrence Livermore National Laboratory’s El Capitan supercomputer but has a portable design that can be instantiated on any Linux system, such as containers and laptops, and even for Raspberry Pi. Flux is designed with scalability in mind, provides many APIs for plugins, and can run with only a minimal amount of elevated privilege calls.
This talk will present an overview of some design features of the Flux Framework and its plugin interfaces, insight about interactions between the fabric and resource managers, and a sneak peek of future work on the project.
Nathan Hanford, Computer Scientist, Livermore Computing Division, Lawrence Livermore National Laboratory
Nathan Hanford is a Computer Scientist in the Livermore Computing Division at Lawrence Livermore National Laboratory. His research is currently focused on application and development environment portability for parallel software applications at the application binary interface (ABI). His operational work is focused on development environment design and verification, message passing interface (MPI) support and development, and system-wide accelerator-aware interconnect benchmarking for codesign, system acceptance, and strategic decision-making support.
Nathan came from a high-performance networking background. While earning his PhD at University of California Davis, he was a perennial summer student with ESnet at Lawrence Berkeley Laboratory. During this time, he focused on end-system optimizations and congestion avoidance for high-speed, long-distance networking.
William Hobbs – Software Developer, Livermore Computing Division, Lawrence Livermore National Laboratory
William Hobbs is a software developer in the Livermore Computing Division of Lawrence Livermore National Laboratory. Hobbs works on the Flux Framework: a modern, hierarchical resource management framework for managing HPC workloads at scales from containers to the world's fastest supercomputers. He maintains and develops Flux plugins, the Fluxion scheduler, and I/O plugins for LC clusters. His previous experience is with software development and data analysis for bioinformatics and manufacturing teams. Hobbs has worked with the Flux Framework team since 2021 and joined the Laboratory in 2023.
Hobbs was born and raised in South Carolina, lives in Oakland, California and holds a B.S. in Computer Science from the University of South Carolina.
