fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1
Starting 3 threads
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
Threads: 3
Threads: 3
Threads: 3: [FFm] [5.0% done] [   796/     0 kb/s] [eta 00m:57s]
Threads: 3: [FFm] [6.7% done] [  1076/     0 kb/s] [eta 00m:56s]
Threads: 3: [FFm] [8.3% done] [  1499/     0 kb/s] [eta 00m:55s]
Threads: 3: [FFm] [10.0% done] [  1235/     0 kb/s] [eta 00m:54s]
Threads: 3: [FFm] [46.7% done] [   361/ 60606 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   203/ 34048 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] [68.2% done] [ 11418/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 31349/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 36721/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [78.3% done] [ 25965/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [86.4% done] [ 35388/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.2% done] [ 35803/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 32772/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 38424/     0 kb/s] [eta 00m:00s]
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
Threads: 1: [V_E] [100.0% done] [ 34149/     0 kb/s] [eta 00m:00s]
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)
fio: Laying out IO file(s) (1 x 100MiB == 100MiB)

fio: (groupid=0): err= 0: pid=5054
  read : io=100MiB, bw=4,411KiB/s, runt= 23768msec
    clat (msec): min=    0, max=  254, avg= 5.99, stdev=30.87
    bw (KiB/s) : min=    6, max=36241, per=71.33%, avg=9440.17, stdev=8889.91
  write: io=99MiB, bw=7,184KiB/s, runt= 14412msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=56527, per=134.08%, avg=28263.50, stdev=39970.63
  cpu          : usr=5.17%, sys=1.60%, ctx=883
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=88.1%, 4=3.9%, 10=5.9%, 20=0.5%, 50=0.2%, 100=0.3%
     lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5055
  read : io=100MiB, bw=4,557KiB/s, runt= 23010msec
    clat (msec): min=    0, max=  327, avg= 4.77, stdev=27.33
    bw (KiB/s) : min=    8, max=20040, per=87.91%, avg=11634.93, stdev=5296.34
  write: io=100MiB, bw=7,293KiB/s, runt= 14376msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=121446, per=288.06%, avg=60723.50, stdev=85874.58
  cpu          : usr=5.55%, sys=1.15%, ctx=794
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=87.6%, 4=4.3%, 10=6.6%, 20=0.3%, 50=0.1%, 100=0.1%
     lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5056
  read : io=100MiB, bw=4,502KiB/s, runt= 23288msec
    clat (msec): min=    0, max=  324, avg= 8.89, stdev=34.81
    bw (KiB/s) : min=    0, max=20389, per=47.46%, avg=6280.96, stdev=5919.89
  write: io=93,176KiB, bw=6,628KiB/s, runt= 14394msec
    clat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    bw (KiB/s) : min=    1, max=59135, per=140.27%, avg=29568.00, stdev=41814.05
  cpu          : usr=5.26%, sys=1.22%, ctx=985
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=85.0%, 4=4.6%, 10=6.6%, 20=0.7%, 50=0.3%, 100=1.0%
     lat (msec): 250=1.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,235KiB/s, minb=4,411KiB/s, maxb=4,557KiB/s, mint=23010msec, maxt=23768msec
  WRITE: io=290MiB, aggrb=21,080KiB/s, minb=6,628KiB/s, maxb=7,293KiB/s, mint=23010msec, maxt=23768msec

Disk stats (read/write):
  sda: ios=3002/2949, merge=1193/122699, ticks=100124/2771604, in_queue=2871728, util=97.36%
3.73user 2.02system 0:34.69elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (1major+1277minor)pagefaults 0swaps