fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [10.0% done] [ 18896/  6736 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [16.0% done] [ 17636/ 14000 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [23.8% done] [ 21912/ 10124 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [28.6% done] [ 20104/  7220 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [35.0% done] [ 26512/  4836 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [40.0% done] [ 22092/  2000 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [42.9% done] [ 14384/  2316 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [47.6% done] [ 11592/  6808 kb/s] [eta 00m:11s]
Threads: 3: [mFm] [52.4% done] [  8120/  6136 kb/s] [eta 00m:10s]
Threads: 3: [mFm] [57.1% done] [ 10740/   108 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [59.1% done] [  5276/  2092 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [63.6% done] [  5780/     0 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [68.2% done] [  5320/     0 kb/s] [eta 00m:07s]
Threads: 3: [FVF] [72.7% done] [  7524/     0 kb/s] [eta 00m:06s]
Threads: 2: [F_F] [100.0% done] [ 19320/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14628
  read : io=100MiB, bw=5,651KiB/s, runt= 18555msec
    clat (msec): min=    0, max=  958, avg= 7.03, stdev=37.93
    bw (KiB/s) : min=   24, max=10063, per=29.29%, avg=4901.00, stdev=3349.15
  write: io=30,200KiB, bw=1,682KiB/s, runt= 18380msec
    clat (msec): min=    0, max=  290, avg= 8.40, stdev=34.07
    bw (KiB/s) : min=    0, max=15855, per=118.53%, avg=4837.10, stdev=5923.24
  cpu          : usr=5.07%, sys=0.88%, ctx=4262
  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=78.1%, 4=2.1%, 10=7.4%, 20=8.3%, 50=1.0%, 100=0.8%
     lat (msec): 250=1.8%, 500=0.4%, 750=0.0%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14629
  read : io=100MiB, bw=6,404KiB/s, runt= 16373msec
    clat (msec): min=    0, max=  285, avg= 4.13, stdev=24.94
    bw (KiB/s) : min=    4, max=25607, per=42.53%, avg=7114.68, stdev=7643.22
  write: io=26,144KiB, bw=1,650KiB/s, runt= 16220msec
    clat (msec): min=    0, max=  292, avg= 5.99, stdev=31.87
    bw (KiB/s) : min=    0, max=12185, per=97.40%, avg=3974.75, stdev=4707.55
  cpu          : usr=5.42%, sys=1.12%, ctx=2566
  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=86.1%, 4=1.7%, 10=4.9%, 20=4.7%, 50=0.8%, 100=0.2%
     lat (msec): 250=1.3%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14630
  read : io=100MiB, bw=5,576KiB/s, runt= 18802msec
    clat (msec): min=    0, max=  440, avg= 6.15, stdev=33.35
    bw (KiB/s) : min=    7, max=17896, per=37.81%, avg=6325.54, stdev=4574.38
  write: io=18,180KiB, bw=995KiB/s, runt= 18696msec
    clat (msec): min=    0, max=  273, avg= 7.98, stdev=34.85
    bw (KiB/s) : min=    0, max=14877, per=101.65%, avg=4148.37, stdev=5394.71
  cpu          : usr=5.23%, sys=0.89%, ctx=2919
  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=84.8%, 4=1.5%, 10=5.6%, 20=5.0%, 50=0.5%, 100=0.1%
     lat (msec): 250=2.0%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,730KiB/s, minb=5,576KiB/s, maxb=6,404KiB/s, mint=16373msec, maxt=18802msec
  WRITE: io=74,524KiB, aggrb=4,081KiB/s, minb=995KiB/s, maxb=1,682KiB/s, mint=16373msec, maxt=18802msec

Disk stats (read/write):
  sda: ios=9472/1008, merge=0/17676, ticks=36268/1406644, in_queue=1442912, util=98.75%
2.81user 0.53system 0:19.15elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9472major+86950minor)pagefaults 0swaps