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=1560MiB/s (1636MB/s), 1560MiB/s-1560MiB/s (1636MB/s-1636MB/s), io=4096MiB (4295MB), run=2625-2625msec 2 threads ------------------------------- WRITE: bw=2445MiB/s (2563MB/s), 1222MiB/s-1261MiB/s (1282MB/s-1323MB/s), io=8192MiB (8590MB), run=3247-3351msec 4 threads ------------------------------------- WRITE: bw=3938MiB/s (4130MB/s), 985MiB/s-1064MiB/s (1032MB/s-1116MB/s), io=16.0GiB (17.2GB), run=3849-4160msec 8 threads ------------------------------------- WRITE: bw=4914MiB/s (5153MB/s), 614MiB/s-731MiB/s (644MB/s-767MB/s), io=32.0GiB (34.4GB), run=5601-6668msec 16 threads ------------------------------------- WRITE: bw=6618MiB/s (6939MB/s), 414MiB/s-450MiB/s (434MB/s-472MB/s), io=64.0GiB (68.7GB), run=9098-9903msec 24 threads ------------------------------------- WRITE: bw=6322MiB/s (6629MB/s), 263MiB/s-347MiB/s (276MB/s-364MB/s), io=96.0GiB (103GB), run=11814-15550msec 32 threads ------------------------------------- WRITE: bw=5817MiB/s (6100MB/s), 188MiB/s-285MiB/s (197MB/s-299MB/s), io=124GiB (133GB), run=14377-21828msec