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] [18.8% done] [ 27472/  2884 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [28.6% done] [ 30848/  8528 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [33.3% done] [ 26808/  8816 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [40.0% done] [ 29260/  9360 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [46.7% done] [ 31928/ 12176 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [53.3% done] [ 10056/  9280 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [56.2% done] [  4188/  5944 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [58.8% done] [  5240/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [61.1% done] [  4220/   716 kb/s] [eta 00m:07s]
Threads: 2: [_Fm] [66.7% done] [ 12492/  3516 kb/s] [eta 00m:06s]
Threads: 2: [_FF] [100.0% done] [     0/  4268 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [69.6% done] [ 33240/     0 kb/s] [eta 00m:07s]
fio: (groupid=0): err= 0: pid=12054
  read : io=100MiB, bw=9,207KiB/s, runt= 11388msec
    clat (msec): min=    0, max=  278, avg= 3.83, stdev=25.70
    bw (KiB/s) : min=   32, max=19032, per=56.81%, avg=10864.64, stdev=6786.45
  write: io=10,132KiB, bw=916KiB/s, runt= 11325msec
    clat (msec): min=    0, max=  231, avg= 7.47, stdev=35.56
    bw (KiB/s) : min=    0, max=11373, per=85.44%, avg=4130.00, stdev=5399.23
  cpu          : usr=7.87%, sys=0.98%, ctx=790
  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=93.0%, 4=0.9%, 10=2.1%, 20=1.6%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12055
  read : io=100MiB, bw=6,663KiB/s, runt= 15736msec
    clat (msec): min=    0, max=  240, avg= 3.58, stdev=20.98
    bw (KiB/s) : min=   30, max=17307, per=40.93%, avg=7828.81, stdev=6808.41
  write: io=30,008KiB, bw=1,974KiB/s, runt= 15560msec
    clat (msec): min=    0, max=  186, avg= 3.83, stdev=21.35
    bw (KiB/s) : min=    0, max=13209, per=109.98%, avg=5316.50, stdev=5419.65
  cpu          : usr=5.95%, sys=1.07%, ctx=2283
  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=88.9%, 4=1.3%, 10=3.5%, 20=4.0%, 50=0.3%, 100=0.1%
     lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12056
  read : io=100MiB, bw=6,375KiB/s, runt= 16447msec
    clat (msec): min=    0, max=  276, avg= 4.58, stdev=21.11
    bw (KiB/s) : min=    0, max=15623, per=30.76%, avg=5882.48, stdev=4753.25
  write: io=36,516KiB, bw=2,302KiB/s, runt= 16238msec
    clat (msec): min=    0, max=  233, avg= 6.42, stdev=22.87
    bw (KiB/s) : min=    0, max=10283, per=89.96%, avg=4348.75, stdev=4169.83
  cpu          : usr=6.27%, sys=1.34%, ctx=4953
  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=79.1%, 4=2.2%, 10=6.9%, 20=7.8%, 50=1.2%, 100=1.2%
     lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=19,126KiB/s, minb=6,375KiB/s, maxb=9,207KiB/s, mint=11388msec, maxt=16447msec
  WRITE: io=76,656KiB, aggrb=4,834KiB/s, minb=916KiB/s, maxb=2,302KiB/s, mint=11388msec, maxt=16447msec

Disk stats (read/write):
  sda: ios=7924/1019, merge=0/18167, ticks=27848/1092712, in_queue=1120556, util=97.40%
2.86user 0.51system 0:16.83elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (7924major+89027minor)pagefaults 0swaps