| fio Disk Speed Tests (Mixed R/W 50/50): ——————————— Block Size | 4k (IOPS) | 64k (IOPS) —— | — —- | —- —- Read | 114.02 MB/s (28.5k) | 174.15 MB/s (2.7k) Write | 114.33 MB/s (28.5k) | 175.07 MB/s (2.7k) Total | 228.35 MB/s (57.0k) | 349.23 MB/s (5.4k) | | Block Size | 512k (IOPS) | 1m (IOPS) —— | — —- | —- —- Read | 223.77 MB/s (437) | 239.53 MB/s (233) Write | 235.66 MB/s (460) | 255.48 MB/s (249) Total | 459.44 MB/s (897) | 495.01 MB/s (482) |
| 这么高的4K，HDD做不到 |
| 起码是ssd cached，你见过有HDD iops能超过5000？就是给你24块 15K的SAS也做不到 |