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] [17.6% done] [ 14716/ 18420 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [26.7% done] [ 28032/  4884 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [31.2% done] [ 18491/  9821 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [37.5% done] [ 27608/  9156 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 13682/ 20739 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [47.1% done] [ 13808/ 12248 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [  5305/  6675 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [52.6% done] [  3851/  5450 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [55.0% done] [  2217/  1732 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [60.0% done] [  4690/   535 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [61.9% done] [  4737/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [66.7% done] [  4395/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  3871/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [70.8% done] [  2961/     0 kb/s] [eta 00m:07s]
Threads: 2: [_FF] [100.0% done] [ 31086/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=8840
  read : io=100MiB, bw=5,934KiB/s, runt= 17668msec
    clat (msec): min=    0, max=  300, avg= 3.01, stdev=19.79
    bw (KiB/s) : min=    7, max=27711, per=53.34%, avg=8749.29, stdev=8064.06
  write: io=34,580KiB, bw=2,027KiB/s, runt= 17465msec
    clat (msec): min=    0, max=  301, avg= 5.00, stdev=29.12
    bw (KiB/s) : min=    0, max=13963, per=99.23%, avg=5483.70, stdev=5842.52
  cpu          : usr=5.41%, sys=0.86%, ctx=1692
  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=90.5%, 4=1.2%, 10=3.6%, 20=2.1%, 50=0.6%, 100=0.3%
     lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8841
  read : io=100MiB, bw=5,527KiB/s, runt= 18969msec
    clat (msec): min=    0, max=  464, avg= 2.93, stdev=22.93
    bw (KiB/s) : min=    0, max=24018, per=49.08%, avg=8050.69, stdev=7165.14
  write: io=43,344KiB, bw=2,371KiB/s, runt= 18719msec
    clat (msec): min=    0, max=  291, avg= 4.87, stdev=27.04
    bw (KiB/s) : min=    0, max=14476, per=131.42%, avg=7262.45, stdev=5739.57
  cpu          : usr=5.23%, sys=1.10%, ctx=1526
  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=92.6%, 4=0.7%, 10=2.6%, 20=2.0%, 50=0.2%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8842
  read : io=100MiB, bw=5,468KiB/s, runt= 19176msec
    clat (msec): min=    0, max=  305, avg= 6.44, stdev=23.51
    bw (KiB/s) : min=   12, max=10667, per=31.72%, avg=5202.63, stdev=3476.45
  write: io=24,804KiB, bw=1,334KiB/s, runt= 19033msec
    clat (msec): min=    0, max=  687, avg=10.26, stdev=44.80
    bw (KiB/s) : min=    0, max=12712, per=64.24%, avg=3550.00, stdev=4451.68
  cpu          : usr=5.17%, sys=0.98%, ctx=5939
  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=73.0%, 4=2.7%, 10=8.5%, 20=9.9%, 50=2.0%, 100=2.4%
     lat (msec): 250=1.3%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,404KiB/s, minb=5,468KiB/s, maxb=5,934KiB/s, mint=17668msec, maxt=19176msec
  WRITE: io=100MiB, aggrb=5,526KiB/s, minb=1,334KiB/s, maxb=2,371KiB/s, mint=17668msec, maxt=19176msec

Disk stats (read/write):
  sda: ios=8920/1187, merge=0/24517, ticks=31644/1587240, in_queue=1618884, util=98.56%
2.95user 0.58system 0:19.50elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8919major+94571minor)pagefaults 0swaps