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  1. azureuser@k8s-agentpool1-30299489-vmss000000:~$ fio --name=randwrite --ioengine=libaio --iodepth=1 --rw=randwrite --bs=4k --direct=0 --size=512M --numjobs=8 --runtime=240 --group_reporting
  2. randwrite: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1
  3. ...
  4. fio-2.2.10
  5. Starting 8 processes
  6. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  7. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  8. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  9. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  10. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  11. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  12. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  13. randwrite: Laying out IO file(s) (1 file(s) / 512MB)
  14. Jobs: 6 (f=6): [w(1),_(1),w(3),_(1),w(2)] [99.1% done] [0KB/47396KB/0KB /s] [0/11.9K/0 iops] [eta 00m:01s]
  15. randwrite: (groupid=0, jobs=8): err= 0: pid=23508: Wed Oct 17 10:03:39 2018
  16. write: io=4096.0MB, bw=38580KB/s, iops=9644, runt=108718msec
  17. slat (usec): min=1, max=207955, avg=818.07, stdev=6428.46
  18. clat (usec): min=0, max=24018, avg= 1.61, stdev=87.23
  19. lat (usec): min=2, max=207957, avg=820.59, stdev=6429.71
  20. clat percentiles (usec):
  21. | 1.00th=[ 0], 5.00th=[ 0], 10.00th=[ 0], 20.00th=[ 0],
  22. | 30.00th=[ 1], 40.00th=[ 1], 50.00th=[ 1], 60.00th=[ 1],
  23. | 70.00th=[ 1], 80.00th=[ 1], 90.00th=[ 1], 95.00th=[ 2],
  24. | 99.00th=[ 4], 99.50th=[ 17], 99.90th=[ 27], 99.95th=[ 46],
  25. | 99.99th=[ 129]
  26. bw (KB /s): min= 571, max=191023, per=12.82%, avg=4945.05, stdev=14959.21
  27. lat (usec) : 2=93.74%, 4=5.20%, 10=0.40%, 20=0.45%, 50=0.17%
  28. lat (usec) : 100=0.03%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
  29. lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%
  30. cpu : usr=0.24%, sys=0.76%, ctx=23853, majf=0, minf=95
  31. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  32. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  33. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  34. issued : total=r=0/w=1048576/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
  35. latency : target=0, window=0, percentile=100.00%, depth=1
  36.  
  37. Run status group 0 (all jobs):
  38. WRITE: io=4096.0MB, aggrb=38579KB/s, minb=38579KB/s, maxb=38579KB/s, mint=108718msec, maxt=108718msec
  39.  
  40. Disk stats (read/write):
  41. sda: ios=0/350638, merge=0/173311, ticks=0/2675460, in_queue=2431444, util=42.55%
  42. azureuser@k8s-agentpool1-30299489-vmss000000:~$ fio --name=randread --ioengine=libaio --iodepth=16 --rw=randread --bs=4k --direct=0 --size=512M --numjobs=8 --runtime=240 --group_reporting
  43. randread: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=16
  44. ...
  45. fio-2.2.10
  46. Starting 8 processes
  47. randread: Laying out IO file(s) (1 file(s) / 512MB)
  48. randread: Laying out IO file(s) (1 file(s) / 512MB)
  49. randread: Laying out IO file(s) (1 file(s) / 512MB)
  50. randread: Laying out IO file(s) (1 file(s) / 512MB)
  51. randread: Laying out IO file(s) (1 file(s) / 512MB)
  52. randread: Laying out IO file(s) (1 file(s) / 512MB)
  53. randread: Laying out IO file(s) (1 file(s) / 512MB)
  54. randread: Laying out IO file(s) (1 file(s) / 512MB)
  55. Jobs: 8 (f=8): [r(8)] [100.0% done] [33396KB/0KB/0KB /s] [8349/0/0 iops] [eta 00m:00s]
  56. randread: (groupid=0, jobs=8): err= 0: pid=24311: Wed Oct 17 10:07:16 2018
  57. read : io=4096.0MB, bw=33356KB/s, iops=8339, runt=125742msec
  58. slat (usec): min=66, max=134647, avg=951.97, stdev=4892.41
  59. clat (usec): min=3, max=145174, avg=14378.33, stdev=16283.64
  60. lat (usec): min=151, max=145536, avg=15331.52, stdev=16594.44
  61. clat percentiles (msec):
  62. | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4],
  63. | 30.00th=[ 4], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 5],
  64. | 70.00th=[ 6], 80.00th=[ 40], 90.00th=[ 41], 95.00th=[ 41],
  65. | 99.00th=[ 42], 99.50th=[ 43], 99.90th=[ 47], 99.95th=[ 50],
  66. | 99.99th=[ 139]
  67. bw (KB /s): min= 3064, max= 5008, per=12.51%, avg=4172.66, stdev=113.40
  68. lat (usec) : 4=0.01%, 10=0.01%, 250=0.01%, 500=0.01%, 750=0.01%
  69. lat (usec) : 1000=0.01%
  70. lat (msec) : 2=0.01%, 4=36.00%, 10=35.02%, 20=0.25%, 50=28.68%
  71. lat (msec) : 100=0.03%, 250=0.01%
  72. cpu : usr=0.66%, sys=1.75%, ctx=1060179, majf=0, minf=192
  73. IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 32=0.0%, >=64=0.0%
  74. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  75. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0%
  76. issued : total=r=1048576/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
  77. latency : target=0, window=0, percentile=100.00%, depth=16
  78.  
  79. Run status group 0 (all jobs):
  80. READ: io=4096.0MB, aggrb=33356KB/s, minb=33356KB/s, maxb=33356KB/s, mint=125742msec, maxt=125742msec
  81.  
  82. Disk stats (read/write):
  83. sda: ios=1047592/311, merge=0/72, ticks=931436/2556, in_queue=772580, util=93.52%
  84. azureuser@k8s-agentpool1-30299489-vmss000000:~$
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