2 ms·

I haven't been watching the networking side too closely, but I expect the same thing to play out for storage with io_uring vs SPDK. When the in-kernel solution

I haven't been watching the networking side too closely, but I expect the same thing to play out for storage with io_uring vs SPDK. When the in-kernel solution is almost as fast, has much broader availability and compatibility, and imposes fewer constraints on hardware purchasing decisions and system administration, the userspace offload solution gets consigned to a fairly small niche.

brendangregg 6y ago
Right; there's a better presentation I can't find right now, but here's one from Intel showing how XDP was catching up in 2018 http://vger.kernel.org/lpc_net2018_talks/lpc18_pres_af_xdp_perf-v3.pdf http://vger.kernel.org/lpc_net2018_talks/lpc18_pres_af_xdp_p...