fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FFm] [16.7% done] [  1332/ 13668 kb/s] [eta 00m:15s]
Threads: 3: [FFm] [44.4% done] [   336/ 42784 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [45.5% done] [  1216/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [66.7% done] [   264/ 24420 kb/s] [eta 00m:03s]
Threads: 3: [FFm] [63.6% done] [   587/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [66.7% done] [   901/     0 kb/s] [eta 00m:04s]
Threads: 3: [FVm] [64.3% done] [   876/     0 kb/s] [eta 00m:05s]
Threads: 3: [FVF] [76.9% done] [ 13192/  6428 kb/s] [eta 00m:03s]
Threads: 3: [FVF] [84.6% done] [ 12028/     0 kb/s] [eta 00m:02s]
Threads: 3: [FVF] [92.3% done] [ 11072/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVF] [68.4% done] [  9216/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVF] [73.7% done] [ 25096/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVF] [78.9% done] [ 16352/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVF] [80.0% done] [ 23928/     0 kb/s] [eta 00m:04s]
Threads: 2: [V_F] [94.4% done] [ 30092/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_F] [100.0% done] [ 11936/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 10978/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 16588/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [  8212/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [68.8% done] [ 11836/     0 kb/s] [eta 00m:10s]
Threads: 1: [__V] [85.2% done] [ 27204/     0 kb/s] [eta 00m:04s]
Threads: 1: [__V] [100.0% done] [ 34108/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14168
  read : io=100MiB, bw=4,720KiB/s, runt= 22214msec
    slat (msec): min=   58, max=20740, avg=16580.93, stdev=3171.62
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=22714, per=80.91%, avg=10081.06, stdev=6263.22
  write: io=99,844KiB, bw=8,018KiB/s, runt= 12751msec
    slat (msec): min=    0, max=   63, avg= 2.14, stdev= 3.71
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=101340, per=263.99%, avg=35203.67, stdev=57315.54
  cpu          : usr=5.35%, sys=1.78%, ctx=807
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14169
  read : io=100MiB, bw=6,220KiB/s, runt= 16857msec
    slat (msec): min=  139, max=15419, avg=11838.87, stdev=2618.88
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=19773, per=92.81%, avg=11563.73, stdev=5436.12
  write: io=99,596KiB, bw=11,670KiB/s, runt=  8739msec
    slat (msec): min=    0, max=   13, avg= 1.83, stdev= 1.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113584, per=425.89%, avg=56792.00, stdev=80316.02
  cpu          : usr=7.45%, sys=2.02%, ctx=878
  IO depths    : 1=12.6%, 2=25.1%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14170
  read : io=100MiB, bw=4,153KiB/s, runt= 25245msec
    slat (msec): min=   88, max=15688, avg=12524.34, stdev=4831.57
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=36450, per=75.05%, avg=9351.53, stdev=13584.43
  write: io=87,300KiB, bw=4,060KiB/s, runt= 22018msec
    slat (msec): min=    0, max=  474, avg= 4.03, stdev=25.41
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=59805, per=122.77%, avg=16371.50, stdev=29075.95
  cpu          : usr=4.67%, sys=1.47%, ctx=1135
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,460KiB/s, minb=4,153KiB/s, maxb=6,220KiB/s, mint=16857msec, maxt=25245msec
  WRITE: io=280MiB, aggrb=13,335KiB/s, minb=4,060KiB/s, maxb=11,670KiB/s, mint=16857msec, maxt=25245msec

Disk stats (read/write):
  sda: ios=3365/2036, merge=888/69424, ticks=68208/2865268, in_queue=2955328, util=98.36%
3.67user 1.14system 0:25.57elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2414minor)pagefaults 0swaps