GekkoFS ranked #4 in the IO500’s “10-Node Challenge” at SC19

The GekkoFS file system jointly developed by the ZDV and the Barcelona Supercomputing Center (BSC) has been ranked No. 4 in the IO500’s “10-Node Challenge”. GekkoFS is a file system capable of aggregating the local I/O capacity and performance of each compute node in a HPC cluster to produce a high-performance storage space that can be accessed in a distributed manner. This storage space allows HPC applications and simulations to run in isolation from each other with regards to I/O, which reduces interferences and improves performance.

The development has been funded in the context of the SPPEXA programme and the Europeans Horizon 2020’s NEXTGenIO project. The IO500’s “10-Node Challenge” list is a global ranking that uses multiple concurrent processes running in 10 compute nodes to benchmark the I/O performance of a HPC storage system in terms or bandwidth and throughput. GekkoFS’ score of 125 ranks it 4th in IO500’s 10-Node Challenge List and 9th in IO500’s full list .

The IO500 benchmark was run on the 34 compute nodes of the NEXTGenIO prototype cluster. Each of the prototype’s 34 nodes is equipped with two 2nd generation Intel® Xeon® Scalable processors and 3 TBytes of Intel® Optane™ DC persistent memory, thus providing approximately 102 TBytes of persistent I/O capacity to HPC applications.



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