randrw_16th_8k: (g=0): rw=randrw, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=psync, iodepth=1
...
fio-3.1
Starting 16 threads

randrw_16th_8k: (groupid=0, jobs=16): err= 0: pid=5320: Mon Mar 25 03:21:00 2019
   read: IOPS=264, BW=2117KiB/s (2168kB/s)(124MiB/60045msec)
    clat (usec): min=148, max=491768, avg=39432.35, stdev=23039.80
     lat (usec): min=148, max=491768, avg=39432.76, stdev=23039.81
    clat percentiles (msec):
     |  1.00th=[   12],  5.00th=[   18], 10.00th=[   21], 20.00th=[   26],
     | 30.00th=[   29], 40.00th=[   32], 50.00th=[   35], 60.00th=[   39],
     | 70.00th=[   43], 80.00th=[   50], 90.00th=[   64], 95.00th=[   80],
     | 99.00th=[  116], 99.50th=[  133], 99.90th=[  247], 99.95th=[  439],
     | 99.99th=[  485]
   bw (  KiB/s): min=   16, max=  272, per=6.27%, avg=132.82, stdev=48.78, samples=1913
   iops        : min=    2, max=   34, avg=16.60, stdev= 6.10, samples=1913
  write: IOPS=268, BW=2149KiB/s (2201kB/s)(126MiB/60045msec)
    clat (usec): min=4, max=477942, avg=20673.33, stdev=26613.06
     lat (usec): min=4, max=477952, avg=20673.98, stdev=26613.15
    clat percentiles (usec):
     |  1.00th=[     7],  5.00th=[     8], 10.00th=[     8], 20.00th=[    12],
     | 30.00th=[    22], 40.00th=[    31], 50.00th=[ 17957], 60.00th=[ 26346],
     | 70.00th=[ 31851], 80.00th=[ 38011], 90.00th=[ 50594], 95.00th=[ 65799],
     | 99.00th=[103285], 99.50th=[115868], 99.90th=[196084], 99.95th=[270533],
     | 99.99th=[476054]
   bw (  KiB/s): min=   16, max=  384, per=6.27%, avg=134.82, stdev=66.25, samples=1914
   iops        : min=    2, max=   48, avg=16.85, stdev= 8.28, samples=1914
  lat (usec)   : 10=8.31%, 20=6.12%, 50=9.41%, 100=0.68%, 250=0.02%
  lat (usec)   : 500=0.01%, 750=0.01%
  lat (msec)   : 2=0.01%, 4=0.07%, 10=0.27%, 20=5.26%, 50=55.06%
  lat (msec)   : 100=13.19%, 250=1.52%, 500=0.07%
  cpu          : usr=0.03%, sys=0.25%, ctx=41774, majf=0, minf=0
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwt: total=15893,16131,0, short=0,0,0, dropped=0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: bw=2117KiB/s (2168kB/s), 2117KiB/s-2117KiB/s (2168kB/s-2168kB/s), io=124MiB (130MB), run=60045-60045msec
  WRITE: bw=2149KiB/s (2201kB/s), 2149KiB/s-2149KiB/s (2201kB/s-2201kB/s), io=126MiB (132MB), run=60045-60045msec

Disk stats (read/write):
  sdc: ios=15435/10391, merge=0/1, ticks=122505/4115, in_queue=126193, util=98.26%