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arter97
Jan 30th, 2017
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  1. result_128.txt:
  2. random-read: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  3. ...
  4. fio-2.17
  5. Starting 4 threads
  6.  
  7. random-read: (groupid=0, jobs=4): err= 0: pid=20376: Mon Jan 30 16:09:20 2017
  8. read: IOPS=6638, BW=207MiB/s (218MB/s)(2048MiB/9872msec)
  9. slat (usec): min=39, max=24298, avg=201.91, stdev=243.62
  10. clat (usec): min=3, max=5767, avg=368.29, stdev=122.49
  11. lat (usec): min=234, max=25155, avg=572.98, stdev=277.39
  12. clat percentiles (usec):
  13. | 1.00th=[ 203], 5.00th=[ 241], 10.00th=[ 258], 20.00th=[ 286],
  14. | 30.00th=[ 306], 40.00th=[ 326], 50.00th=[ 346], 60.00th=[ 370],
  15. | 70.00th=[ 398], 80.00th=[ 434], 90.00th=[ 494], 95.00th=[ 564],
  16. | 99.00th=[ 764], 99.50th=[ 916], 99.90th=[ 1400], 99.95th=[ 1608],
  17. | 99.99th=[ 2192]
  18. lat (usec) : 4=0.02%, 10=0.18%, 20=0.05%, 50=0.02%, 100=0.07%
  19. lat (usec) : 250=6.86%, 500=83.26%, 750=8.45%, 1000=0.69%
  20. lat (msec) : 2=0.38%, 4=0.01%, 10=0.01%
  21. cpu : usr=3.31%, sys=29.54%, ctx=100792, majf=0, minf=17
  22. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  23. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  24. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  25. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  26. latency : target=0, window=0, percentile=100.00%, depth=1
  27.  
  28. Run status group 0 (all jobs):
  29. READ: bw=207MiB/s (218MB/s), 207MiB/s-207MiB/s (218MB/s-218MB/s), io=2048MiB (2147MB), run=9872-9872msec
  30.  
  31. Disk stats (read/write):
  32. sda: ios=65594/0, merge=80/0, ticks=27690/0, in_queue=27580, util=98.32%
  33. random-read-single: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  34. fio-2.17
  35. Starting 1 thread
  36.  
  37. random-read-single: (groupid=0, jobs=1): err= 0: pid=20383: Mon Jan 30 16:09:32 2017
  38. read: IOPS=1389, BW=43.5MiB/s (45.6MB/s)(512MiB/11789msec)
  39. slat (usec): min=77, max=22634, avg=298.66, stdev=204.30
  40. clat (usec): min=12, max=3684, avg=384.68, stdev=94.28
  41. lat (usec): min=324, max=23590, avg=688.60, stdev=230.63
  42. clat percentiles (usec):
  43. | 1.00th=[ 239], 5.00th=[ 270], 10.00th=[ 290], 20.00th=[ 314],
  44. | 30.00th=[ 334], 40.00th=[ 354], 50.00th=[ 378], 60.00th=[ 394],
  45. | 70.00th=[ 418], 80.00th=[ 446], 90.00th=[ 490], 95.00th=[ 524],
  46. | 99.00th=[ 676], 99.50th=[ 772], 99.90th=[ 988], 99.95th=[ 1112],
  47. | 99.99th=[ 1368]
  48. lat (usec) : 20=0.13%, 50=0.15%, 100=0.04%, 250=1.51%, 500=89.93%
  49. lat (usec) : 750=7.65%, 1000=0.50%
  50. lat (msec) : 2=0.08%, 4=0.01%
  51. cpu : usr=6.28%, sys=42.16%, ctx=24656, majf=0, minf=12
  52. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  53. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  54. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  55. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  56. latency : target=0, window=0, percentile=100.00%, depth=1
  57.  
  58. Run status group 0 (all jobs):
  59. READ: bw=43.5MiB/s (45.6MB/s), 43.5MiB/s-43.5MiB/s (45.6MB/s-45.6MB/s), io=512MiB (537MB), run=11789-11789msec
  60.  
  61. Disk stats (read/write):
  62. sda: ios=16330/0, merge=80/0, ticks=7650/0, in_queue=7560, util=63.97%
  63. seq-read: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  64. ...
  65. fio-2.17
  66. Starting 4 threads
  67.  
  68. seq-read: (groupid=0, jobs=4): err= 0: pid=20387: Mon Jan 30 16:09:41 2017
  69. read: IOPS=7434, BW=232MiB/s (244MB/s)(2048MiB/8815msec)
  70. slat (usec): min=27, max=11782, avg=181.20, stdev=152.41
  71. clat (usec): min=2, max=4487, avg=339.81, stdev=110.04
  72. lat (usec): min=239, max=12154, avg=523.46, stdev=193.24
  73. clat percentiles (usec):
  74. | 1.00th=[ 197], 5.00th=[ 235], 10.00th=[ 251], 20.00th=[ 270],
  75. | 30.00th=[ 290], 40.00th=[ 302], 50.00th=[ 322], 60.00th=[ 338],
  76. | 70.00th=[ 362], 80.00th=[ 394], 90.00th=[ 446], 95.00th=[ 506],
  77. | 99.00th=[ 708], 99.50th=[ 852], 99.90th=[ 1352], 99.95th=[ 1512],
  78. | 99.99th=[ 1928]
  79. lat (usec) : 4=0.01%, 10=0.21%, 20=0.05%, 50=0.02%, 100=0.11%
  80. lat (usec) : 250=9.48%, 500=84.70%, 750=4.62%, 1000=0.49%
  81. lat (msec) : 2=0.29%, 4=0.01%, 10=0.01%
  82. cpu : usr=3.13%, sys=29.12%, ctx=101307, majf=0, minf=19
  83. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  84. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  85. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  86. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  87. latency : target=0, window=0, percentile=100.00%, depth=1
  88.  
  89. Run status group 0 (all jobs):
  90. READ: bw=232MiB/s (244MB/s), 232MiB/s-232MiB/s (244MB/s-244MB/s), io=2048MiB (2147MB), run=8815-8815msec
  91.  
  92. Disk stats (read/write):
  93. sda: ios=64861/0, merge=83/0, ticks=24560/0, in_queue=24360, util=99.11%
  94. seq-read-single: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  95. fio-2.17
  96. Starting 1 thread
  97.  
  98. seq-read-single: (groupid=0, jobs=1): err= 0: pid=20394: Mon Jan 30 16:09:53 2017
  99. read: IOPS=1451, BW=45.4MiB/s (47.6MB/s)(512MiB/11287msec)
  100. slat (usec): min=164, max=18076, avg=287.34, stdev=167.49
  101. clat (usec): min=11, max=10310, avg=371.34, stdev=136.33
  102. lat (usec): min=408, max=18517, avg=663.81, stdev=219.81
  103. clat percentiles (usec):
  104. | 1.00th=[ 233], 5.00th=[ 262], 10.00th=[ 278], 20.00th=[ 302],
  105. | 30.00th=[ 322], 40.00th=[ 346], 50.00th=[ 366], 60.00th=[ 382],
  106. | 70.00th=[ 398], 80.00th=[ 426], 90.00th=[ 462], 95.00th=[ 494],
  107. | 99.00th=[ 668], 99.50th=[ 804], 99.90th=[ 1128], 99.95th=[ 1272],
  108. | 99.99th=[ 7328]
  109. lat (usec) : 20=0.12%, 50=0.10%, 100=0.07%, 250=2.31%, 500=92.95%
  110. lat (usec) : 750=3.77%, 1000=0.49%
  111. lat (msec) : 2=0.16%, 4=0.01%, 10=0.01%, 20=0.01%
  112. cpu : usr=5.40%, sys=43.15%, ctx=24362, majf=0, minf=12
  113. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  114. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  115. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  116. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  117. latency : target=0, window=0, percentile=100.00%, depth=1
  118.  
  119. Run status group 0 (all jobs):
  120. READ: bw=45.4MiB/s (47.6MB/s), 45.4MiB/s-45.4MiB/s (47.6MB/s-47.6MB/s), io=512MiB (537MB), run=11287-11287msec
  121.  
  122. Disk stats (read/write):
  123. sda: ios=16343/1, merge=83/0, ticks=7390/0, in_queue=7260, util=64.34%
  124.  
  125.  
  126. result_256.txt:
  127. random-read: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  128. ...
  129. fio-2.17
  130. Starting 4 threads
  131.  
  132. random-read: (groupid=0, jobs=4): err= 0: pid=20404: Mon Jan 30 16:10:04 2017
  133. read: IOPS=6752, BW=211MiB/s (221MB/s)(2048MiB/9705msec)
  134. slat (usec): min=39, max=24670, avg=201.56, stdev=221.80
  135. clat (usec): min=3, max=5238, avg=368.20, stdev=124.75
  136. lat (usec): min=258, max=25301, avg=572.38, stdev=259.25
  137. clat percentiles (usec):
  138. | 1.00th=[ 205], 5.00th=[ 241], 10.00th=[ 258], 20.00th=[ 286],
  139. | 30.00th=[ 306], 40.00th=[ 326], 50.00th=[ 346], 60.00th=[ 370],
  140. | 70.00th=[ 398], 80.00th=[ 434], 90.00th=[ 494], 95.00th=[ 564],
  141. | 99.00th=[ 772], 99.50th=[ 924], 99.90th=[ 1400], 99.95th=[ 1560],
  142. | 99.99th=[ 1960]
  143. lat (usec) : 4=0.01%, 10=0.18%, 20=0.04%, 50=0.03%, 100=0.08%
  144. lat (usec) : 250=7.01%, 500=83.23%, 750=8.31%, 1000=0.75%
  145. lat (msec) : 2=0.36%, 4=0.01%, 10=0.01%
  146. cpu : usr=3.45%, sys=29.43%, ctx=100761, majf=0, minf=17
  147. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  148. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  149. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  150. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  151. latency : target=0, window=0, percentile=100.00%, depth=1
  152.  
  153. Run status group 0 (all jobs):
  154. READ: bw=211MiB/s (221MB/s), 211MiB/s-211MiB/s (221MB/s-221MB/s), io=2048MiB (2147MB), run=9705-9705msec
  155.  
  156. Disk stats (read/write):
  157. sda: ios=65838/0, merge=79/0, ticks=27340/0, in_queue=27090, util=98.62%
  158. random-read-single: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  159. fio-2.17
  160. Starting 1 thread
  161.  
  162. random-read-single: (groupid=0, jobs=1): err= 0: pid=20411: Mon Jan 30 16:10:16 2017
  163. read: IOPS=1410, BW=44.7MiB/s (46.3MB/s)(512MiB/11619msec)
  164. slat (usec): min=137, max=25622, avg=293.28, stdev=222.13
  165. clat (usec): min=11, max=4496, avg=381.58, stdev=97.64
  166. lat (usec): min=389, max=26143, avg=680.37, stdev=244.67
  167. clat percentiles (usec):
  168. | 1.00th=[ 235], 5.00th=[ 270], 10.00th=[ 286], 20.00th=[ 310],
  169. | 30.00th=[ 334], 40.00th=[ 354], 50.00th=[ 374], 60.00th=[ 390],
  170. | 70.00th=[ 414], 80.00th=[ 442], 90.00th=[ 482], 95.00th=[ 524],
  171. | 99.00th=[ 684], 99.50th=[ 780], 99.90th=[ 1080], 99.95th=[ 1176],
  172. | 99.99th=[ 1400]
  173. lat (usec) : 20=0.19%, 50=0.13%, 100=0.02%, 250=1.70%, 500=90.55%
  174. lat (usec) : 750=6.81%, 1000=0.45%
  175. lat (msec) : 2=0.14%, 10=0.01%
  176. cpu : usr=6.11%, sys=42.00%, ctx=24593, majf=0, minf=12
  177. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  178. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  179. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  180. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  181. latency : target=0, window=0, percentile=100.00%, depth=1
  182.  
  183. Run status group 0 (all jobs):
  184. READ: bw=44.7MiB/s (46.3MB/s), 44.7MiB/s-44.7MiB/s (46.3MB/s-46.3MB/s), io=512MiB (537MB), run=11619-11619msec
  185.  
  186. Disk stats (read/write):
  187. sda: ios=16196/0, merge=80/0, ticks=7670/0, in_queue=7500, util=65.13%
  188. seq-read: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  189. ...
  190. fio-2.17
  191. Starting 4 threads
  192.  
  193. seq-read: (groupid=0, jobs=4): err= 0: pid=20415: Mon Jan 30 16:10:26 2017
  194. read: IOPS=7481, BW=234MiB/s (245MB/s)(2048MiB/8760msec)
  195. slat (usec): min=30, max=13652, avg=174.46, stdev=174.06
  196. clat (usec): min=3, max=3961, avg=339.18, stdev=111.39
  197. lat (usec): min=252, max=14136, avg=515.92, stdev=211.23
  198. clat percentiles (usec):
  199. | 1.00th=[ 197], 5.00th=[ 233], 10.00th=[ 249], 20.00th=[ 270],
  200. | 30.00th=[ 286], 40.00th=[ 302], 50.00th=[ 318], 60.00th=[ 338],
  201. | 70.00th=[ 362], 80.00th=[ 390], 90.00th=[ 442], 95.00th=[ 506],
  202. | 99.00th=[ 700], 99.50th=[ 836], 99.90th=[ 1384], 99.95th=[ 1512],
  203. | 99.99th=[ 3408]
  204. lat (usec) : 4=0.01%, 10=0.15%, 20=0.05%, 50=0.03%, 100=0.08%
  205. lat (usec) : 250=9.98%, 500=84.48%, 750=4.50%, 1000=0.44%
  206. lat (msec) : 2=0.28%, 4=0.02%
  207. cpu : usr=3.14%, sys=28.37%, ctx=98949, majf=0, minf=16
  208. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  209. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  210. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  211. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  212. latency : target=0, window=0, percentile=100.00%, depth=1
  213.  
  214. Run status group 0 (all jobs):
  215. READ: bw=234MiB/s (245MB/s), 234MiB/s-234MiB/s (245MB/s-245MB/s), io=2048MiB (2147MB), run=8760-8760msec
  216.  
  217. Disk stats (read/write):
  218. sda: ios=65597/0, merge=83/0, ticks=24990/0, in_queue=24880, util=98.66%
  219. seq-read-single: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  220. fio-2.17
  221. Starting 1 thread
  222.  
  223. seq-read-single: (groupid=0, jobs=1): err= 0: pid=20423: Mon Jan 30 16:10:38 2017
  224. read: IOPS=1427, BW=44.7MiB/s (46.8MB/s)(512MiB/11475msec)
  225. slat (usec): min=167, max=20505, avg=295.20, stdev=184.68
  226. clat (usec): min=12, max=3743, avg=371.01, stdev=95.18
  227. lat (usec): min=419, max=20933, avg=671.67, stdev=211.27
  228. clat percentiles (usec):
  229. | 1.00th=[ 239], 5.00th=[ 266], 10.00th=[ 282], 20.00th=[ 302],
  230. | 30.00th=[ 322], 40.00th=[ 346], 50.00th=[ 366], 60.00th=[ 382],
  231. | 70.00th=[ 398], 80.00th=[ 426], 90.00th=[ 462], 95.00th=[ 490],
  232. | 99.00th=[ 676], 99.50th=[ 796], 99.90th=[ 1128], 99.95th=[ 1336],
  233. | 99.99th=[ 3280]
  234. lat (usec) : 20=0.10%, 50=0.14%, 100=0.04%, 250=1.74%, 500=93.57%
  235. lat (usec) : 750=3.74%, 1000=0.53%
  236. lat (msec) : 2=0.13%, 4=0.01%
  237. cpu : usr=6.97%, sys=42.44%, ctx=24650, majf=0, minf=12
  238. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  239. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  240. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  241. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  242. latency : target=0, window=0, percentile=100.00%, depth=1
  243.  
  244. Run status group 0 (all jobs):
  245. READ: bw=44.7MiB/s (46.8MB/s), 44.7MiB/s-44.7MiB/s (46.8MB/s-46.8MB/s), io=512MiB (537MB), run=11475-11475msec
  246.  
  247. Disk stats (read/write):
  248. sda: ios=16419/1, merge=83/0, ticks=7590/0, in_queue=7450, util=64.18%
  249.  
  250.  
  251. result_512.txt:
  252. random-read: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  253. ...
  254. fio-2.17
  255. Starting 4 threads
  256.  
  257. random-read: (groupid=0, jobs=4): err= 0: pid=20434: Mon Jan 30 16:10:49 2017
  258. read: IOPS=6786, BW=212MiB/s (222MB/s)(2048MiB/9657msec)
  259. slat (usec): min=30, max=25652, avg=195.92, stdev=235.37
  260. clat (usec): min=3, max=3427, avg=367.33, stdev=121.08
  261. lat (usec): min=238, max=26118, avg=565.82, stdev=269.05
  262. clat percentiles (usec):
  263. | 1.00th=[ 203], 5.00th=[ 239], 10.00th=[ 258], 20.00th=[ 282],
  264. | 30.00th=[ 306], 40.00th=[ 326], 50.00th=[ 346], 60.00th=[ 370],
  265. | 70.00th=[ 398], 80.00th=[ 434], 90.00th=[ 494], 95.00th=[ 564],
  266. | 99.00th=[ 772], 99.50th=[ 916], 99.90th=[ 1400], 99.95th=[ 1592],
  267. | 99.99th=[ 2192]
  268. lat (usec) : 4=0.01%, 10=0.19%, 20=0.06%, 50=0.04%, 100=0.08%
  269. lat (usec) : 250=7.31%, 500=82.96%, 750=8.18%, 1000=0.82%
  270. lat (msec) : 2=0.34%, 4=0.01%
  271. cpu : usr=4.25%, sys=28.27%, ctx=98852, majf=0, minf=22
  272. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  273. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  274. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  275. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  276. latency : target=0, window=0, percentile=100.00%, depth=1
  277.  
  278. Run status group 0 (all jobs):
  279. READ: bw=212MiB/s (222MB/s), 212MiB/s-212MiB/s (222MB/s-222MB/s), io=2048MiB (2147MB), run=9657-9657msec
  280.  
  281. Disk stats (read/write):
  282. sda: ios=65895/0, merge=80/0, ticks=27280/0, in_queue=27120, util=98.63%
  283. random-read-single: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  284. fio-2.17
  285. Starting 1 thread
  286.  
  287. random-read-single: (groupid=0, jobs=1): err= 0: pid=20441: Mon Jan 30 16:11:02 2017
  288. read: IOPS=1375, BW=42.2MiB/s (45.9MB/s)(512MiB/11907msec)
  289. slat (usec): min=96, max=24559, avg=303.99, stdev=219.50
  290. clat (usec): min=12, max=4594, avg=384.71, stdev=97.40
  291. lat (usec): min=338, max=25115, avg=694.25, stdev=249.37
  292. clat percentiles (usec):
  293. | 1.00th=[ 241], 5.00th=[ 270], 10.00th=[ 290], 20.00th=[ 314],
  294. | 30.00th=[ 338], 40.00th=[ 358], 50.00th=[ 378], 60.00th=[ 394],
  295. | 70.00th=[ 418], 80.00th=[ 446], 90.00th=[ 486], 95.00th=[ 524],
  296. | 99.00th=[ 660], 99.50th=[ 756], 99.90th=[ 1112], 99.95th=[ 1256],
  297. | 99.99th=[ 2024]
  298. lat (usec) : 20=0.02%, 50=0.26%, 100=0.05%, 250=1.25%, 500=90.97%
  299. lat (usec) : 750=6.92%, 1000=0.39%
  300. lat (msec) : 2=0.13%, 4=0.01%, 10=0.01%
  301. cpu : usr=6.38%, sys=42.75%, ctx=24835, majf=0, minf=12
  302. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  303. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  304. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  305. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  306. latency : target=0, window=0, percentile=100.00%, depth=1
  307.  
  308. Run status group 0 (all jobs):
  309. READ: bw=42.2MiB/s (45.9MB/s), 42.2MiB/s-42.2MiB/s (45.9MB/s-45.9MB/s), io=512MiB (537MB), run=11907-11907msec
  310.  
  311. Disk stats (read/write):
  312. sda: ios=16522/0, merge=80/0, ticks=7470/0, in_queue=7390, util=61.49%
  313. seq-read: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  314. ...
  315. fio-2.17
  316. Starting 4 threads
  317.  
  318. seq-read: (groupid=0, jobs=4): err= 0: pid=20445: Mon Jan 30 16:11:11 2017
  319. read: IOPS=7362, BW=230MiB/s (241MB/s)(2048MiB/8901msec)
  320. slat (usec): min=39, max=15885, avg=182.49, stdev=171.24
  321. clat (usec): min=3, max=4235, avg=340.89, stdev=112.48
  322. lat (usec): min=256, max=16253, avg=526.06, stdev=208.61
  323. clat percentiles (usec):
  324. | 1.00th=[ 197], 5.00th=[ 233], 10.00th=[ 251], 20.00th=[ 270],
  325. | 30.00th=[ 290], 40.00th=[ 306], 50.00th=[ 322], 60.00th=[ 338],
  326. | 70.00th=[ 362], 80.00th=[ 394], 90.00th=[ 446], 95.00th=[ 506],
  327. | 99.00th=[ 708], 99.50th=[ 852], 99.90th=[ 1368], 99.95th=[ 1560],
  328. | 99.99th=[ 3696]
  329. lat (usec) : 4=0.01%, 10=0.18%, 20=0.04%, 50=0.02%, 100=0.10%
  330. lat (usec) : 250=9.40%, 500=84.87%, 750=4.59%, 1000=0.47%
  331. lat (msec) : 2=0.30%, 4=0.01%, 10=0.01%
  332. cpu : usr=2.75%, sys=29.45%, ctx=100765, majf=0, minf=24
  333. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  334. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  335. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  336. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  337. latency : target=0, window=0, percentile=100.00%, depth=1
  338.  
  339. Run status group 0 (all jobs):
  340. READ: bw=230MiB/s (241MB/s), 230MiB/s-230MiB/s (241MB/s-241MB/s), io=2048MiB (2147MB), run=8901-8901msec
  341.  
  342. Disk stats (read/write):
  343. sda: ios=65899/0, merge=83/0, ticks=25380/0, in_queue=25170, util=98.72%
  344. seq-read-single: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  345. fio-2.17
  346. Starting 1 thread
  347.  
  348. seq-read-single: (groupid=0, jobs=1): err= 0: pid=20452: Mon Jan 30 16:11:23 2017
  349. read: IOPS=1445, BW=45.2MiB/s (47.4MB/s)(512MiB/11335msec)
  350. slat (usec): min=163, max=17183, avg=294.22, stdev=165.23
  351. clat (usec): min=12, max=4416, avg=366.76, stdev=97.11
  352. lat (usec): min=420, max=17609, avg=666.42, stdev=191.92
  353. clat percentiles (usec):
  354. | 1.00th=[ 231], 5.00th=[ 258], 10.00th=[ 278], 20.00th=[ 298],
  355. | 30.00th=[ 318], 40.00th=[ 342], 50.00th=[ 366], 60.00th=[ 382],
  356. | 70.00th=[ 394], 80.00th=[ 422], 90.00th=[ 458], 95.00th=[ 490],
  357. | 99.00th=[ 636], 99.50th=[ 748], 99.90th=[ 1144], 99.95th=[ 1288],
  358. | 99.99th=[ 3568]
  359. lat (usec) : 20=0.14%, 50=0.29%, 100=0.09%, 250=2.19%, 500=93.01%
  360. lat (usec) : 750=3.80%, 1000=0.35%
  361. lat (msec) : 2=0.13%, 4=0.01%, 10=0.01%
  362. cpu : usr=6.53%, sys=42.53%, ctx=25295, majf=0, minf=12
  363. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  364. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  365. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  366. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  367. latency : target=0, window=0, percentile=100.00%, depth=1
  368.  
  369. Run status group 0 (all jobs):
  370. READ: bw=45.2MiB/s (47.4MB/s), 45.2MiB/s-45.2MiB/s (47.4MB/s-47.4MB/s), io=512MiB (537MB), run=11335-11335msec
  371.  
  372. Disk stats (read/write):
  373. sda: ios=16269/1, merge=83/0, ticks=7410/0, in_queue=7340, util=64.90%
  374.  
  375.  
  376. result_1024.txt:
  377. random-read: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  378. ...
  379. fio-2.17
  380. Starting 4 threads
  381.  
  382. random-read: (groupid=0, jobs=4): err= 0: pid=20463: Mon Jan 30 16:11:34 2017
  383. read: IOPS=6864, BW=215MiB/s (225MB/s)(2048MiB/9547msec)
  384. slat (usec): min=29, max=25319, avg=191.71, stdev=228.56
  385. clat (usec): min=3, max=3673, avg=367.45, stdev=120.51
  386. lat (usec): min=251, max=25794, avg=561.73, stdev=264.00
  387. clat percentiles (usec):
  388. | 1.00th=[ 207], 5.00th=[ 241], 10.00th=[ 258], 20.00th=[ 286],
  389. | 30.00th=[ 306], 40.00th=[ 326], 50.00th=[ 346], 60.00th=[ 370],
  390. | 70.00th=[ 398], 80.00th=[ 434], 90.00th=[ 490], 95.00th=[ 564],
  391. | 99.00th=[ 764], 99.50th=[ 908], 99.90th=[ 1400], 99.95th=[ 1592],
  392. | 99.99th=[ 2192]
  393. lat (usec) : 4=0.01%, 10=0.14%, 20=0.03%, 50=0.02%, 100=0.08%
  394. lat (usec) : 250=7.01%, 500=83.54%, 750=8.08%, 1000=0.69%
  395. lat (msec) : 2=0.37%, 4=0.01%
  396. cpu : usr=3.51%, sys=29.04%, ctx=97812, majf=0, minf=21
  397. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  398. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  399. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  400. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  401. latency : target=0, window=0, percentile=100.00%, depth=1
  402.  
  403. Run status group 0 (all jobs):
  404. READ: bw=215MiB/s (225MB/s), 215MiB/s-215MiB/s (225MB/s-225MB/s), io=2048MiB (2147MB), run=9547-9547msec
  405.  
  406. Disk stats (read/write):
  407. sda: ios=65262/0, merge=80/0, ticks=27080/0, in_queue=26900, util=98.86%
  408. random-read-single: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  409. fio-2.17
  410. Starting 1 thread
  411.  
  412. random-read-single: (groupid=0, jobs=1): err= 0: pid=20471: Mon Jan 30 16:11:46 2017
  413. read: IOPS=1389, BW=43.5MiB/s (45.6MB/s)(512MiB/11792msec)
  414. slat (usec): min=144, max=24821, avg=298.05, stdev=215.71
  415. clat (usec): min=12, max=10364, avg=382.73, stdev=129.34
  416. lat (usec): min=412, max=25389, avg=686.81, stdev=252.82
  417. clat percentiles (usec):
  418. | 1.00th=[ 233], 5.00th=[ 266], 10.00th=[ 282], 20.00th=[ 310],
  419. | 30.00th=[ 334], 40.00th=[ 358], 50.00th=[ 374], 60.00th=[ 394],
  420. | 70.00th=[ 418], 80.00th=[ 442], 90.00th=[ 482], 95.00th=[ 516],
  421. | 99.00th=[ 676], 99.50th=[ 772], 99.90th=[ 1160], 99.95th=[ 1352],
  422. | 99.99th=[ 5024]
  423. lat (usec) : 20=0.11%, 50=0.21%, 100=0.09%, 250=1.73%, 500=90.86%
  424. lat (usec) : 750=6.43%, 1000=0.42%
  425. lat (msec) : 2=0.14%, 10=0.01%, 20=0.01%
  426. cpu : usr=7.97%, sys=40.79%, ctx=24932, majf=0, minf=12
  427. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  428. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  429. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  430. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  431. latency : target=0, window=0, percentile=100.00%, depth=1
  432.  
  433. Run status group 0 (all jobs):
  434. READ: bw=43.5MiB/s (45.6MB/s), 43.5MiB/s-43.5MiB/s (45.6MB/s-45.6MB/s), io=512MiB (537MB), run=11792-11792msec
  435.  
  436. Disk stats (read/write):
  437. sda: ios=16334/0, merge=80/0, ticks=7910/0, in_queue=7830, util=66.54%
  438. seq-read: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  439. ...
  440. fio-2.17
  441. Starting 4 threads
  442.  
  443. seq-read: (groupid=0, jobs=4): err= 0: pid=20475: Mon Jan 30 16:11:56 2017
  444. read: IOPS=7262, BW=227MiB/s (238MB/s)(2048MiB/9024msec)
  445. slat (usec): min=42, max=15436, avg=186.58, stdev=187.51
  446. clat (usec): min=3, max=5343, avg=346.32, stdev=115.98
  447. lat (usec): min=265, max=15829, avg=535.47, stdev=224.66
  448. clat percentiles (usec):
  449. | 1.00th=[ 201], 5.00th=[ 237], 10.00th=[ 255], 20.00th=[ 274],
  450. | 30.00th=[ 294], 40.00th=[ 310], 50.00th=[ 326], 60.00th=[ 346],
  451. | 70.00th=[ 370], 80.00th=[ 402], 90.00th=[ 454], 95.00th=[ 516],
  452. | 99.00th=[ 724], 99.50th=[ 860], 99.90th=[ 1320], 99.95th=[ 1496],
  453. | 99.99th=[ 4128]
  454. lat (usec) : 4=0.01%, 10=0.20%, 20=0.04%, 50=0.02%, 100=0.10%
  455. lat (usec) : 250=8.04%, 500=85.58%, 750=5.19%, 1000=0.51%
  456. lat (msec) : 2=0.30%, 4=0.01%, 10=0.01%
  457. cpu : usr=3.00%, sys=29.17%, ctx=101379, majf=0, minf=19
  458. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  459. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  460. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  461. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  462. latency : target=0, window=0, percentile=100.00%, depth=1
  463.  
  464. Run status group 0 (all jobs):
  465. READ: bw=227MiB/s (238MB/s), 227MiB/s-227MiB/s (238MB/s-238MB/s), io=2048MiB (2147MB), run=9024-9024msec
  466.  
  467. Disk stats (read/write):
  468. sda: ios=65127/0, merge=83/0, ticks=25280/0, in_queue=25010, util=98.81%
  469. seq-read-single: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  470. fio-2.17
  471. Starting 1 thread
  472.  
  473. seq-read-single: (groupid=0, jobs=1): err= 0: pid=20482: Mon Jan 30 16:12:08 2017
  474. read: IOPS=1448, BW=45.3MiB/s (47.5MB/s)(512MiB/11310msec)
  475. slat (usec): min=87, max=21489, avg=288.51, stdev=191.63
  476. clat (usec): min=11, max=7631, avg=369.95, stdev=108.61
  477. lat (usec): min=337, max=22034, avg=663.70, stdev=223.34
  478. clat percentiles (usec):
  479. | 1.00th=[ 231], 5.00th=[ 262], 10.00th=[ 278], 20.00th=[ 298],
  480. | 30.00th=[ 322], 40.00th=[ 350], 50.00th=[ 366], 60.00th=[ 382],
  481. | 70.00th=[ 398], 80.00th=[ 426], 90.00th=[ 462], 95.00th=[ 490],
  482. | 99.00th=[ 676], 99.50th=[ 772], 99.90th=[ 1080], 99.95th=[ 1176],
  483. | 99.99th=[ 4128]
  484. lat (usec) : 20=0.15%, 50=0.16%, 100=0.04%, 250=2.51%, 500=92.73%
  485. lat (usec) : 750=3.81%, 1000=0.45%
  486. lat (msec) : 2=0.13%, 10=0.01%
  487. cpu : usr=5.31%, sys=43.51%, ctx=24210, majf=0, minf=12
  488. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  489. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  490. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  491. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  492. latency : target=0, window=0, percentile=100.00%, depth=1
  493.  
  494. Run status group 0 (all jobs):
  495. READ: bw=45.3MiB/s (47.5MB/s), 45.3MiB/s-45.3MiB/s (47.5MB/s-47.5MB/s), io=512MiB (537MB), run=11310-11310msec
  496.  
  497. Disk stats (read/write):
  498. sda: ios=16285/1, merge=83/0, ticks=7240/0, in_queue=7130, util=63.28%
  499.  
  500.  
  501. result_2048.txt:
  502. random-read: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  503. ...
  504. fio-2.17
  505. Starting 4 threads
  506.  
  507. random-read: (groupid=0, jobs=4): err= 0: pid=20492: Mon Jan 30 16:12:20 2017
  508. read: IOPS=6872, BW=215MiB/s (225MB/s)(2048MiB/9536msec)
  509. slat (usec): min=27, max=24575, avg=193.18, stdev=229.08
  510. clat (usec): min=3, max=3277, avg=365.99, stdev=117.03
  511. lat (usec): min=254, max=25246, avg=561.78, stdev=261.57
  512. clat percentiles (usec):
  513. | 1.00th=[ 205], 5.00th=[ 239], 10.00th=[ 258], 20.00th=[ 282],
  514. | 30.00th=[ 306], 40.00th=[ 326], 50.00th=[ 346], 60.00th=[ 370],
  515. | 70.00th=[ 398], 80.00th=[ 430], 90.00th=[ 494], 95.00th=[ 556],
  516. | 99.00th=[ 756], 99.50th=[ 900], 99.90th=[ 1368], 99.95th=[ 1496],
  517. | 99.99th=[ 1768]
  518. lat (usec) : 4=0.01%, 10=0.18%, 20=0.05%, 50=0.02%, 100=0.07%
  519. lat (usec) : 250=7.29%, 500=83.19%, 750=8.15%, 1000=0.69%
  520. lat (msec) : 2=0.35%, 4=0.01%
  521. cpu : usr=3.28%, sys=29.07%, ctx=97843, majf=0, minf=20
  522. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  523. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  524. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  525. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  526. latency : target=0, window=0, percentile=100.00%, depth=1
  527.  
  528. Run status group 0 (all jobs):
  529. READ: bw=215MiB/s (225MB/s), 215MiB/s-215MiB/s (225MB/s-225MB/s), io=2048MiB (2147MB), run=9536-9536msec
  530.  
  531. Disk stats (read/write):
  532. sda: ios=65439/0, merge=81/0, ticks=26470/0, in_queue=26260, util=98.86%
  533. random-read-single: (g=0): rw=randread, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  534. fio-2.17
  535. Starting 1 thread
  536.  
  537. random-read-single: (groupid=0, jobs=1): err= 0: pid=20499: Mon Jan 30 16:12:32 2017
  538. read: IOPS=1402, BW=43.9MiB/s (45.1MB/s)(512MiB/11678msec)
  539. slat (usec): min=76, max=23864, avg=295.67, stdev=215.51
  540. clat (usec): min=15, max=1593, avg=378.75, stdev=90.82
  541. lat (usec): min=283, max=24267, avg=680.24, stdev=238.59
  542. clat percentiles (usec):
  543. | 1.00th=[ 227], 5.00th=[ 262], 10.00th=[ 282], 20.00th=[ 306],
  544. | 30.00th=[ 330], 40.00th=[ 354], 50.00th=[ 370], 60.00th=[ 390],
  545. | 70.00th=[ 414], 80.00th=[ 438], 90.00th=[ 478], 95.00th=[ 516],
  546. | 99.00th=[ 676], 99.50th=[ 764], 99.90th=[ 1064], 99.95th=[ 1176],
  547. | 99.99th=[ 1448]
  548. lat (usec) : 20=0.09%, 50=0.12%, 100=0.04%, 250=2.68%, 500=90.31%
  549. lat (usec) : 750=6.18%, 1000=0.47%
  550. lat (msec) : 2=0.11%
  551. cpu : usr=6.17%, sys=42.39%, ctx=25503, majf=0, minf=12
  552. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  553. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  554. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  555. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  556. latency : target=0, window=0, percentile=100.00%, depth=1
  557.  
  558. Run status group 0 (all jobs):
  559. READ: bw=43.9MiB/s (45.1MB/s), 43.9MiB/s-43.9MiB/s (45.1MB/s-45.1MB/s), io=512MiB (537MB), run=11678-11678msec
  560.  
  561. Disk stats (read/write):
  562. sda: ios=16491/0, merge=80/0, ticks=7840/0, in_queue=7680, util=64.58%
  563. seq-read: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  564. ...
  565. fio-2.17
  566. Starting 4 threads
  567.  
  568. seq-read: (groupid=0, jobs=4): err= 0: pid=20503: Mon Jan 30 16:12:41 2017
  569. read: IOPS=7332, BW=229MiB/s (240MB/s)(2048MiB/8938msec)
  570. slat (usec): min=28, max=16465, avg=182.45, stdev=177.43
  571. clat (usec): min=2, max=5304, avg=343.53, stdev=116.69
  572. lat (usec): min=252, max=17061, avg=528.38, stdev=217.14
  573. clat percentiles (usec):
  574. | 1.00th=[ 201], 5.00th=[ 237], 10.00th=[ 253], 20.00th=[ 274],
  575. | 30.00th=[ 290], 40.00th=[ 306], 50.00th=[ 322], 60.00th=[ 342],
  576. | 70.00th=[ 366], 80.00th=[ 398], 90.00th=[ 450], 95.00th=[ 516],
  577. | 99.00th=[ 708], 99.50th=[ 860], 99.90th=[ 1368], 99.95th=[ 1560],
  578. | 99.99th=[ 3984]
  579. lat (usec) : 4=0.01%, 10=0.18%, 20=0.04%, 50=0.02%, 100=0.09%
  580. lat (usec) : 250=8.67%, 500=85.26%, 750=4.92%, 1000=0.48%
  581. lat (msec) : 2=0.31%, 4=0.01%, 10=0.01%
  582. cpu : usr=3.27%, sys=28.89%, ctx=100369, majf=0, minf=16
  583. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  584. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  585. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  586. issued rwt: total=65536,0,0, short=0,0,0, dropped=0,0,0
  587. latency : target=0, window=0, percentile=100.00%, depth=1
  588.  
  589. Run status group 0 (all jobs):
  590. READ: bw=229MiB/s (240MB/s), 229MiB/s-229MiB/s (240MB/s-240MB/s), io=2048MiB (2147MB), run=8938-8938msec
  591.  
  592. Disk stats (read/write):
  593. sda: ios=65794/0, merge=83/0, ticks=25460/0, in_queue=25310, util=98.69%
  594. seq-read-single: (g=0): rw=read, bs=32.0KiB-32.0KiB,32.0KiB-32.0KiB,32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
  595. fio-2.17
  596. Starting 1 thread
  597.  
  598. seq-read-single: (groupid=0, jobs=1): err= 0: pid=20510: Mon Jan 30 16:12:53 2017
  599. read: IOPS=1435, BW=44.9MiB/s (47.3MB/s)(512MiB/11417msec)
  600. slat (usec): min=148, max=19676, avg=294.58, stdev=180.82
  601. clat (usec): min=12, max=4102, avg=371.08, stdev=94.17
  602. lat (usec): min=391, max=20127, avg=670.96, stdev=206.15
  603. clat percentiles (usec):
  604. | 1.00th=[ 239], 5.00th=[ 270], 10.00th=[ 286], 20.00th=[ 302],
  605. | 30.00th=[ 322], 40.00th=[ 346], 50.00th=[ 366], 60.00th=[ 382],
  606. | 70.00th=[ 398], 80.00th=[ 426], 90.00th=[ 462], 95.00th=[ 490],
  607. | 99.00th=[ 668], 99.50th=[ 772], 99.90th=[ 1096], 99.95th=[ 1224],
  608. | 99.99th=[ 3184]
  609. lat (usec) : 20=0.08%, 50=0.23%, 100=0.07%, 250=1.46%, 500=93.84%
  610. lat (usec) : 750=3.74%, 1000=0.43%
  611. lat (msec) : 2=0.14%, 4=0.01%, 10=0.01%
  612. cpu : usr=4.64%, sys=44.50%, ctx=24295, majf=0, minf=12
  613. IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  614. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  615. complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  616. issued rwt: total=16384,0,0, short=0,0,0, dropped=0,0,0
  617. latency : target=0, window=0, percentile=100.00%, depth=1
  618.  
  619. Run status group 0 (all jobs):
  620. READ: bw=44.9MiB/s (47.3MB/s), 44.9MiB/s-44.9MiB/s (47.3MB/s-47.3MB/s), io=512MiB (537MB), run=11417-11417msec
  621.  
  622. Disk stats (read/write):
  623. sda: ios=16505/1, merge=83/0, ticks=7530/0, in_queue=7440, util=64.42%
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