Talks > 18-19/06/2020 Kathryn Mohror

UnifyFS: A file system for burst buffers

UnifyFS is a user-level file system that is highly-specialized for fast shared file access on high performance computing (HPC) systems with distributed burst buffers. UnifyFS delivers significant performance improvements over general purpose file systems by supporting the specific needs of HPC workloads with reduced POSIX semantics support called “lamination semantics.” In this talk, we will give an introductory overview of how to use the lightweight UnifyFS file system to improve the I/O performance of HPC applications. We will describe how UnifyFS works with burst buffers, the benefits and limitations of lamination semantics, and how users can incorporate UnifyFS into their jobs. Finally, we will detail the current implementation status of UnifyFS and our plans for the future.

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