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Aug 4th, 2018
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  1. seq-read: (g=0): rw=read, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=4
  2. rand-read: (g=1): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=4
  3. seq-write: (g=2): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=4
  4. rand-write: (g=3): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=4
  5. fio-3.8
  6. Starting 4 processes
  7. seq-read: Laying out IO file (1 file / 10240MiB)
  8.  
  9. seq-read: (groupid=0, jobs=1): err= 0: pid=17411: Sat Aug 4 18:43:37 2018
  10. read: IOPS=74.2k, BW=290MiB/s (304MB/s)(10.0GiB/35315msec)
  11. slat (usec): min=2, max=1643, avg= 7.09, stdev= 2.34
  12. clat (usec): min=20, max=8998, avg=45.74, stdev=23.46
  13. lat (usec): min=32, max=9075, avg=53.02, stdev=23.51
  14. clat percentiles (usec):
  15. | 1.00th=[ 31], 5.00th=[ 34], 10.00th=[ 36], 20.00th=[ 39],
  16. | 30.00th=[ 42], 40.00th=[ 43], 50.00th=[ 45], 60.00th=[ 47],
  17. | 70.00th=[ 49], 80.00th=[ 52], 90.00th=[ 55], 95.00th=[ 59],
  18. | 99.00th=[ 76], 99.50th=[ 100], 99.90th=[ 137], 99.95th=[ 186],
  19. | 99.99th=[ 644]
  20. bw ( KiB/s): min=223063, max=289796, per=88.13%, avg=261671.69, stdev=8188.21, samples=70
  21. iops : min=55765, max=72449, avg=65417.54, stdev=2047.18, samples=70
  22. lat (usec) : 50=74.80%, 100=24.70%, 250=0.47%, 500=0.01%, 750=0.01%
  23. lat (usec) : 1000=0.01%
  24. lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%
  25. cpu : usr=12.99%, sys=58.33%, ctx=1109958, majf=0, minf=16
  26. IO depths : 1=0.1%, 2=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  27. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  28. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  29. issued rwts: total=2621440,0,0,0 short=0,0,0,0 dropped=0,0,0,0
  30. latency : target=0, window=0, percentile=100.00%, depth=4
  31. rand-read: (groupid=1, jobs=1): err= 0: pid=17502: Sat Aug 4 18:43:37 2018
  32. read: IOPS=21.9k, BW=85.6MiB/s (89.8MB/s)(5138MiB/60001msec)
  33. slat (usec): min=4, max=1558, avg=15.31, stdev= 9.01
  34. clat (usec): min=41, max=6882, avg=164.23, stdev=50.81
  35. lat (usec): min=65, max=6895, avg=179.92, stdev=51.21
  36. clat percentiles (usec):
  37. | 1.00th=[ 127], 5.00th=[ 130], 10.00th=[ 133], 20.00th=[ 135],
  38. | 30.00th=[ 139], 40.00th=[ 143], 50.00th=[ 149], 60.00th=[ 159],
  39. | 70.00th=[ 174], 80.00th=[ 194], 90.00th=[ 217], 95.00th=[ 237],
  40. | 99.00th=[ 289], 99.50th=[ 310], 99.90th=[ 367], 99.95th=[ 449],
  41. | 99.99th=[ 2147]
  42. bw ( KiB/s): min=61908, max=85219, per=73.71%, avg=64630.94, stdev=2289.24, samples=119
  43. iops : min=15477, max=21304, avg=16157.39, stdev=572.28, samples=119
  44. lat (usec) : 50=0.01%, 100=0.01%, 250=96.57%, 500=3.37%, 750=0.01%
  45. lat (usec) : 1000=0.01%
  46. lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%
  47. cpu : usr=9.89%, sys=39.77%, ctx=658806, majf=0, minf=14
  48. IO depths : 1=0.1%, 2=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  49. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  50. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  51. issued rwts: total=1315352,0,0,0 short=0,0,0,0 dropped=0,0,0,0
  52. latency : target=0, window=0, percentile=100.00%, depth=4
  53. seq-write: (groupid=2, jobs=1): err= 0: pid=17650: Sat Aug 4 18:43:37 2018
  54. write: IOPS=65.4k, BW=256MiB/s (268MB/s)(10.0GiB/40063msec)
  55. slat (usec): min=2, max=3760, avg= 8.69, stdev= 3.51
  56. clat (usec): min=21, max=271432, avg=51.27, stdev=428.65
  57. lat (usec): min=29, max=271441, avg=60.16, stdev=428.71
  58. clat percentiles (usec):
  59. | 1.00th=[ 35], 5.00th=[ 38], 10.00th=[ 39], 20.00th=[ 40],
  60. | 30.00th=[ 41], 40.00th=[ 42], 50.00th=[ 43], 60.00th=[ 45],
  61. | 70.00th=[ 46], 80.00th=[ 49], 90.00th=[ 54], 95.00th=[ 60],
  62. | 99.00th=[ 95], 99.50th=[ 118], 99.90th=[ 775], 99.95th=[ 3490],
  63. | 99.99th=[10290]
  64. bw ( KiB/s): min=47745, max=256236, per=76.04%, avg=199012.25, stdev=47362.79, samples=79
  65. iops : min=11936, max=64059, avg=49752.75, stdev=11840.70, samples=79
  66. lat (usec) : 50=84.00%, 100=15.20%, 250=0.64%, 500=0.03%, 750=0.03%
  67. lat (usec) : 1000=0.02%
  68. lat (msec) : 2=0.02%, 4=0.02%, 10=0.04%, 20=0.01%, 50=0.01%
  69. lat (msec) : 500=0.01%
  70. cpu : usr=13.64%, sys=63.96%, ctx=1415577, majf=0, minf=12
  71. IO depths : 1=0.1%, 2=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  72. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  73. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  74. issued rwts: total=0,2621440,0,0 short=0,0,0,0 dropped=0,0,0,0
  75. latency : target=0, window=0, percentile=100.00%, depth=4
  76. rand-write: (groupid=3, jobs=1): err= 0: pid=17764: Sat Aug 4 18:43:37 2018
  77. write: IOPS=61.3k, BW=239MiB/s (251MB/s)(10.0GiB/42770msec)
  78. slat (usec): min=4, max=771, avg= 8.99, stdev= 3.08
  79. clat (usec): min=21, max=38902, avg=54.78, stdev=350.25
  80. lat (usec): min=27, max=38909, avg=64.00, stdev=350.36
  81. clat percentiles (usec):
  82. | 1.00th=[ 35], 5.00th=[ 37], 10.00th=[ 38], 20.00th=[ 40],
  83. | 30.00th=[ 41], 40.00th=[ 42], 50.00th=[ 43], 60.00th=[ 45],
  84. | 70.00th=[ 46], 80.00th=[ 49], 90.00th=[ 55], 95.00th=[ 59],
  85. | 99.00th=[ 86], 99.50th=[ 122], 99.90th=[ 3785], 99.95th=[ 7046],
  86. | 99.99th=[11338]
  87. bw ( KiB/s): min=85392, max=308664, per=99.86%, avg=244813.89, stdev=73953.44, samples=85
  88. iops : min=21350, max=77166, avg=61203.52, stdev=18488.31, samples=85
  89. lat (usec) : 50=82.98%, 100=16.30%, 250=0.53%, 500=0.03%, 750=0.01%
  90. lat (usec) : 1000=0.02%
  91. lat (msec) : 2=0.03%, 4=0.02%, 10=0.08%, 20=0.01%, 50=0.01%
  92. cpu : usr=15.61%, sys=59.93%, ctx=1182483, majf=0, minf=10
  93. IO depths : 1=0.1%, 2=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  94. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  95. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  96. issued rwts: total=0,2621440,0,0 short=0,0,0,0 dropped=0,0,0,0
  97. latency : target=0, window=0, percentile=100.00%, depth=4
  98.  
  99. Run status group 0 (all jobs):
  100. READ: bw=290MiB/s (304MB/s), 290MiB/s-290MiB/s (304MB/s-304MB/s), io=10.0GiB (10.7GB), run=35315-35315msec
  101.  
  102. Run status group 1 (all jobs):
  103. READ: bw=85.6MiB/s (89.8MB/s), 85.6MiB/s-85.6MiB/s (89.8MB/s-89.8MB/s), io=5138MiB (5388MB), run=60001-60001msec
  104.  
  105. Run status group 2 (all jobs):
  106. WRITE: bw=256MiB/s (268MB/s), 256MiB/s-256MiB/s (268MB/s-268MB/s), io=10.0GiB (10.7GB), run=40063-40063msec
  107.  
  108. Run status group 3 (all jobs):
  109. WRITE: bw=239MiB/s (251MB/s), 239MiB/s-239MiB/s (251MB/s-251MB/s), io=10.0GiB (10.7GB), run=42770-42770msec
  110.  
  111. Disk stats (read/write):
  112. sda: ios=3936850/5227856, merge=21/209, ticks=333707/251900, in_queue=582250, util=98.81%
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