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: [mmm] [37.5% done] [  8050/131655 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [44.4% done] [  6578/ 82714 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [45.5% done] [  6332/   164 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   939/ 34370 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.0% done] [  3689/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 23141/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [76.0% done] [ 26749/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [83.3% done] [ 27205/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.3% done] [ 29935/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 34876/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33909/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29785/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 24470/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 30858/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31531
  read : io=100MiB, bw=3,999KiB/s, runt= 26220msec
    slat (msec): min=  104, max=22812, avg=18013.88, stdev=4723.33
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=21769, per=73.63%, avg=8820.63, stdev=6113.47
  write: io=92,212KiB, bw=5,667KiB/s, runt= 16660msec
    slat (msec): min=    0, max=  154, avg= 2.10, stdev= 5.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=79684, per=167.69%, avg=26959.33, stdev=45664.80
  cpu          : usr=4.70%, sys=1.40%, ctx=947
  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=31532
  read : io=100MiB, bw=4,038KiB/s, runt= 25967msec
    slat (msec): min=    0, max=20873, avg=13191.65, stdev=6928.38
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=17324, per=59.35%, avg=7109.70, stdev=4874.51
  write: io=85,268KiB, bw=5,243KiB/s, runt= 16652msec
    slat (msec): min=    0, max=  138, avg= 3.31, stdev=11.23
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=75005, per=211.75%, avg=34043.00, stdev=37978.18
  cpu          : usr=4.98%, sys=1.32%, ctx=1260
  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=31533
  read : io=100MiB, bw=3,993KiB/s, runt= 26259msec
    slat (msec): min=   31, max=20815, avg=14586.93, stdev=5877.26
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=18230, per=60.16%, avg=7206.58, stdev=5252.09
  write: io=84,100KiB, bw=5,169KiB/s, runt= 16660msec
    slat (msec): min=    0, max=   30, avg= 1.91, stdev= 2.71
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17857, per=55.54%, avg=8928.50, stdev=12626.81
  cpu          : usr=4.68%, sys=1.29%, ctx=1109
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,979KiB/s, minb=3,993KiB/s, maxb=4,038KiB/s, mint=25967msec, maxt=26259msec
  WRITE: io=255MiB, aggrb=16,077KiB/s, minb=5,169KiB/s, maxb=5,667KiB/s, mint=25967msec, maxt=26259msec

Disk stats (read/write):
  sda: ios=3843/2282, merge=1298/62941, ticks=75688/1850164, in_queue=1940728, util=98.80%
3.80user 1.07system 0:26.52elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps