1. V:\Temp>fio -filename=4g.tmp -direct=1 -rw=randwrite -bs=4k -size=1G -name=randwrite -runtime=60
2. fio: this platform does not support process shared mutexes, forcing use of threads. Use the 'thread' option to get rid of this warning.
3. randwrite: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=windowsaio, iodepth=1
4. fio-3.30
5. Starting 1 thread
6. Jobs: 1 (f=1): [w(1)][100.0%][w=50.5MiB/s][w=12.9k IOPS][eta 00m:00s]
7. randwrite: (groupid=0, jobs=1): err= 0: pid=6176: Sat Apr 9 00:28:12 2022
8. write: IOPS=10.4k, BW=40.7MiB/s (42.6MB/s)(1024MiB/25180msec); 0 zone resets
9. slat (usec): min=19, max=519, avg=24.21, stdev= 7.56
10. clat (nsec): min=1106, max=60701k, avg=70197.84, stdev=571199.76
11. lat (usec): min=56, max=60724, avg=94.41, stdev=571.26
12. clat percentiles (usec):
13. | 1.00th=[ 34], 5.00th=[ 39], 10.00th=[ 39], 20.00th=[ 40],
14. | 30.00th=[ 40], 40.00th=[ 41], 50.00th=[ 41], 60.00th=[ 42],
15. | 70.00th=[ 44], 80.00th=[ 49], 90.00th=[ 60], 95.00th=[ 70],
16. | 99.00th=[ 116], 99.50th=[ 494], 99.90th=[10159], 99.95th=[13304],
17. | 99.99th=[19792]
18. bw ( KiB/s): min=15944, max=62032, per=100.00%, avg=41655.54, stdev=7533.20, samples=50
19. iops : min= 3986, max=15508, avg=10413.62, stdev=1883.29, samples=50
20. lat (usec) : 2=0.01%, 4=0.01%, 10=0.02%, 20=0.11%, 50=81.92%
21. lat (usec) : 100=16.68%, 250=0.52%, 500=0.26%, 750=0.22%, 1000=0.05%
22. lat (msec) : 2=0.01%, 4=0.02%, 10=0.09%, 20=0.09%, 50=0.01%
23. lat (msec) : 100=0.01%
24. cpu : usr=3.97%, sys=19.86%, ctx=0, majf=0, minf=0
25. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
26. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
27. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
28. issued rwts: total=0,262144,0,0 short=0,0,0,0 dropped=0,0,0,0
29. latency : target=0, window=0, percentile=100.00%, depth=1
30. ​
31. Run status group 0 (all jobs):
32. WRITE: bw=40.7MiB/s (42.6MB/s), 40.7MiB/s-40.7MiB/s (42.6MB/s-42.6MB/s), io=1024MiB (1074MB), run=25180-25180msec
33. ​
34. ​
35. V:\Temp>fio -filename=4g.tmp -direct=1 -rw=randwrite -bs=4k -size=4G -name=randwrite -runtime=60
36. fio: this platform does not support process shared mutexes, forcing use of threads. Use the 'thread' option to get rid of this warning.
37. randwrite: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=windowsaio, iodepth=1
38. fio-3.30
39. Starting 1 thread
40. randwrite: Laying out IO file (1 file / 4096MiB)
41. Jobs: 1 (f=0): [f(1)][100.0%][w=12.7MiB/s][w=3249 IOPS][eta 00m:00s]
42. randwrite: (groupid=0, jobs=1): err= 0: pid=16608: Sat Apr 9 00:27:11 2022
43. write: IOPS=4034, BW=15.8MiB/s (16.5MB/s)(946MiB/60001msec); 0 zone resets
44. slat (usec): min=19, max=15821, avg=29.02, stdev=36.20
45. clat (nsec): min=475, max=284394k, avg=217003.64, stdev=2167324.97
46. lat (usec): min=60, max=284416, avg=246.02, stdev=2167.71
47. clat percentiles (usec):
48. | 1.00th=[ 41], 5.00th=[ 42], 10.00th=[ 43], 20.00th=[ 45],
49. | 30.00th=[ 46], 40.00th=[ 49], 50.00th=[ 54], 60.00th=[ 64],
50. | 70.00th=[ 71], 80.00th=[ 80], 90.00th=[ 101], 95.00th=[ 143],
51. | 99.00th=[ 603], 99.50th=[13829], 99.90th=[30802], 99.95th=[38011],
52. | 99.99th=[66847]
53. bw ( KiB/s): min= 2600, max=35079, per=100.00%, avg=16173.70, stdev=3745.75, samples=119
54. iops : min= 650, max= 8769, avg=4043.13, stdev=936.42, samples=119
55. lat (nsec) : 500=0.01%
56. lat (usec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.02%, 50=44.45%
57. lat (usec) : 100=45.27%, 250=6.06%, 500=2.25%, 750=1.27%, 1000=0.04%
58. lat (msec) : 2=0.03%, 4=0.01%, 10=0.05%, 20=0.20%, 50=0.32%
59. lat (msec) : 100=0.02%, 250=0.01%, 500=0.01%
60. cpu : usr=1.67%, sys=10.00%, ctx=0, majf=0, minf=0
61. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
62. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
63. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
64. issued rwts: total=0,242050,0,0 short=0,0,0,0 dropped=0,0,0,0
65. latency : target=0, window=0, percentile=100.00%, depth=1
66. ​
67. Run status group 0 (all jobs):
68. WRITE: bw=15.8MiB/s (16.5MB/s), 15.8MiB/s-15.8MiB/s (16.5MB/s-16.5MB/s), io=946MiB (991MB), run=60001-60001msec
69. ​
70. V:\Temp>