Benchmark on 5glinuxhttps://blog.5glinux.com/tags/benchmark/Recent content in Benchmark on 5glinuxHugoen-usMon, 12 Oct 2026 00:00:00 +0000Longhorn v2 on SPDK: TCP catches up, RDMA still wins on latency (part 1)https://blog.5glinux.com/posts/longhorn-v2-spdk-rdma-vs-tcp/Mon, 12 Oct 2026 00:00:00 +0000https://blog.5glinux.com/posts/longhorn-v2-spdk-rdma-vs-tcp/Two snapshots of Longhorn’s SPDK-based v2 engine on the same three Ampere nodes: 1.12 with my RDMA patches, then 1.14 development builds with a newer SPDK. NVMe/TCP got about 7× lower write latency and now fills a 25 GbE link. RDMA still halves write latency.