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: [FFF] [100.0% done] [     0/ 62227 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: [VVF] [68.4% done] [  6504/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [66.7% done] [ 24148/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [71.4% done] [ 24400/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 32432/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [81.0% done] [ 31432/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 27948/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 30120/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34212/     0 kb/s] [eta 00m:00s]
Threads: 2: [VEV] [100.0% done] [ 33556/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 29396/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13807
  read : io=100MiB, bw=4,582KiB/s, runt= 22881msec
    slat (msec): min=11966, max=21933, avg=17418.99, stdev=3071.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=16946, per=71.19%, avg=9772.69, stdev=4288.34
  write: io=100MiB, bw=8,176KiB/s, runt= 12824msec
    slat (msec): min=    0, max=   15, avg= 1.97, stdev= 2.16
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113404, per=258.82%, avg=56702.00, stdev=80188.74
  cpu          : usr=5.44%, sys=1.84%, ctx=131
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 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=13808
  read : io=100MiB, bw=4,904KiB/s, runt= 21379msec
    slat (msec): min=   65, max=18895, avg=14186.91, stdev=4086.14
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   20, max=19470, per=73.41%, avg=10077.25, stdev=5386.03
  write: io=91,236KiB, bw=7,272KiB/s, runt= 12847msec
    slat (msec): min=    0, max=   11, avg= 1.79, stdev= 1.94
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115086, per=262.66%, avg=57543.00, stdev=81378.09
  cpu          : usr=5.80%, sys=1.89%, ctx=337
  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%
fio: (groupid=0): err= 0: pid=13809
  read : io=100MiB, bw=4,575KiB/s, runt= 22916msec
    slat (msec): min=  108, max=21479, avg=17719.72, stdev=3358.97
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=27680, per=79.49%, avg=10911.13, stdev=6962.50
  write: io=98,232KiB, bw=7,373KiB/s, runt= 13642msec
    slat (msec): min=    0, max=   17, avg= 1.80, stdev= 2.08
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=108085, per=246.68%, avg=54042.50, stdev=76427.64
  cpu          : usr=5.32%, sys=1.90%, ctx=238
  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=13,727KiB/s, minb=4,575KiB/s, maxb=4,904KiB/s, mint=21379msec, maxt=22916msec
  WRITE: io=285MiB, aggrb=21,908KiB/s, minb=7,272KiB/s, maxb=8,176KiB/s, mint=21379msec, maxt=22916msec

Disk stats (read/write):
  sda: ios=1338/2121, merge=7128/70639, ticks=151392/1701604, in_queue=1853192, util=98.90%
3.76user 1.27system 0:23.23elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2406minor)pagefaults 0swaps