Single thread. Node 0 --------------------------------- fio --name=global --rw=write --size=4G --blocksize=2M --directory=/test --iodepth=4 --fsync_on_close=1 --name=job1 WRITE: bw=2312MiB/s (2424MB/s), 2312MiB/s-2312MiB/s (2424MB/s-2424MB/s), io=4096MiB (4295MB), run=1772-1772msec 2 threads ------------------------------- WRITE: bw=3573MiB/s (3746MB/s), 1786MiB/s-2254MiB/s (1873MB/s-2364MB/s), io=8192MiB (8590MB), run=1817-2293msec 4 threads ------------------------------------- WRITE: bw=6756MiB/s (7084MB/s), 1689MiB/s-2110MiB/s (1771MB/s-2213MB/s), io=16.0GiB (17.2GB), run=1941-2425msec 8 threads ------------------------------------- WRITE: bw=12.5GiB/s (13.5GB/s), 1606MiB/s-2097MiB/s (1684MB/s-2199MB/s), io=32.0GiB (34.4GB), run=1953-2550msec 16 threads ------------------------------------- WRITE: bw=18.8GiB/s (20.2GB/s), 1206MiB/s-1815MiB/s (1264MB/s-1903MB/s), io=64.0GiB (68.7GB), run=2257-3397msec 24 threads ------------------------------------- WRITE: bw=19.7GiB/s (21.2GB/s), 841MiB/s-1673MiB/s (882MB/s-1754MB/s), io=96.0GiB (103GB), run=2448-4868msec 32 threads ------------------------------------- WRITE: bw=22.8GiB/s (24.5GB/s), 755MiB/s-1210MiB/s (791MB/s-1269MB/s), io=124GiB (133GB), run=3384-5427msec