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: [mFm] [42.9% done] [   780/     0 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [44.4% done] [  1928/ 43248 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [     0/ 37628 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: [FVF] [72.2% done] [  3336/     0 kb/s] [eta 00m:05s]
Threads: 3: [FVF] [82.4% done] [ 20676/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [68.2% done] [ 21852/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 25304/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 30908/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.8% done] [ 25472/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [86.4% done] [ 32095/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [100.0% done] [ 38584/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 39744/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 32740/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12777
  read : io=100MiB, bw=4,558KiB/s, runt= 23003msec
    slat (msec): min=  165, max=18723, avg=15724.82, stdev=3236.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=26513, per=69.04%, avg=9440.68, stdev=8455.36
  write: io=97,284KiB, bw=6,741KiB/s, runt= 14776msec
    slat (msec): min=    0, max=  483, avg= 3.12, stdev=26.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=56624, per=92.89%, avg=18930.67, stdev=32643.49
  cpu          : usr=5.23%, sys=1.41%, ctx=880
  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=12778
  read : io=100MiB, bw=5,211KiB/s, runt= 20122msec
    slat (msec): min=12139, max=19203, avg=15294.76, stdev=2121.84
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   17, max=24649, per=106.94%, avg=14623.75, stdev=7372.93
  write: io=100MiB, bw=8,165KiB/s, runt= 12842msec
    slat (msec): min=    0, max=   10, avg= 1.85, stdev= 1.93
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=116028, per=284.66%, avg=58014.00, stdev=82044.19
  cpu          : usr=6.34%, sys=1.65%, ctx=830
  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=12779
  read : io=100MiB, bw=4,595KiB/s, runt= 22819msec
    slat (msec): min=   52, max=19283, avg=15596.40, stdev=3822.73
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   20, max=23872, per=73.17%, avg=10006.53, stdev=7449.81
  write: io=94,396KiB, bw=6,543KiB/s, runt= 14773msec
    slat (msec): min=    0, max=   11, avg= 1.67, stdev= 1.92
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=29410, per=72.15%, avg=14705.00, stdev=20796.01
  cpu          : usr=5.42%, sys=1.51%, ctx=1012
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,675KiB/s, minb=4,558KiB/s, maxb=5,211KiB/s, mint=20122msec, maxt=23003msec
  WRITE: io=287MiB, aggrb=20,380KiB/s, minb=6,543KiB/s, maxb=8,165KiB/s, mint=20122msec, maxt=23003msec

Disk stats (read/write):
  sda: ios=3059/1773, merge=1316/71748, ticks=96996/1737364, in_queue=1834364, util=98.90%
3.74user 1.01system 0:23.30elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2416minor)pagefaults 0swaps