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GekkoFS - A Temporary Distributed File System for HPC Applications

Marc-André Vef, Nafiseh Moti, Tim Süß, Tommaso Tocci, Ramon Nou, Alberto Miranda, Toni Cortes, André Brinkmann

We present GekkoFS, a temporary, highly-scalable burst buffer file system which has been specifically optimized for new access patterns of data-intensive High-Performance Computing (HPC) applications. The file system provides relaxed POSIX semantics, only offering features which are actually required by most (not all) applications. It is able to provide scalable I/O performance and reaches millions of metadata operations already for a small number of nodes, significantly outperforming the capabilities of general-purpose parallel file systems.

Published in 2018 IEEE International Conference on Cluster Computing (CLUSTER)