Following a presentation at last week's Linux storage, file-system, memory management and BPF summit (LSFMM) in Croatia where Linux I/O overhead compared to the Storage Performance Development Kit (SPDK) was presented, Jens Axboe was motivated to pursue some new Linux kernel optimizations for greater per-core I/O performance. This lead IO_uring developer and Linux block maintainer has managed to achieve around a 60% increase to the per-core I/O …
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