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] [20.0% done] [ 27704/  6952 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [25.0% done] [ 14256/ 14008 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [31.2% done] [ 17116/ 10644 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [35.3% done] [ 16488/ 12036 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [43.8% done] [ 20524/ 15796 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 14308/  9508 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [52.9% done] [ 10133/ 11659 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [55.6% done] [  5492/  5772 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [61.1% done] [  8596/  3248 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  6548/  2468 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  6180/  3008 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [66.7% done] [  5768/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   872/     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: 2: [_FF] [100.0% done] [ 31620/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [71.4% done] [ 17176/     0 kb/s] [eta 00m:08s]
fio: (groupid=0): err= 0: pid=14407
  read : io=100MiB, bw=5,608KiB/s, runt= 18696msec
    clat (msec): min=    0, max=  292, avg= 5.28, stdev=29.68
    bw (KiB/s) : min=    3, max=12942, per=38.24%, avg=5830.85, stdev=4740.37
  write: io=31,620KiB, bw=1,748KiB/s, runt= 18513msec
    clat (msec): min=    0, max=  301, avg= 6.38, stdev=33.69
    bw (KiB/s) : min=    0, max=15306, per=88.76%, avg=5255.40, stdev=5579.46
  cpu          : usr=4.77%, sys=1.16%, ctx=2993
  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=84.4%, 4=1.6%, 10=5.9%, 20=5.6%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14408
  read : io=100MiB, bw=5,082KiB/s, runt= 20630msec
    clat (msec): min=    0, max=  296, avg= 3.82, stdev=25.58
    bw (KiB/s) : min=    6, max=13892, per=30.80%, avg=4696.21, stdev=4930.03
  write: io=50,904KiB, bw=2,569KiB/s, runt= 20287msec
    clat (msec): min=    0, max=  351, avg= 7.19, stdev=36.70
    bw (KiB/s) : min=    0, max=13053, per=79.50%, avg=4707.35, stdev=4926.34
  cpu          : usr=5.41%, sys=0.93%, ctx=2863
  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=86.8%, 4=1.6%, 10=4.9%, 20=4.7%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.4%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14409
  read : io=100MiB, bw=5,115KiB/s, runt= 20498msec
    clat (msec): min=    0, max=  308, avg= 5.15, stdev=29.05
    bw (KiB/s) : min=   13, max=12989, per=33.69%, avg=5137.13, stdev=4518.66
  write: io=34,788KiB, bw=1,759KiB/s, runt= 20245msec
    clat (msec): min=    0, max=  298, avg=10.43, stdev=42.43
    bw (KiB/s) : min=    0, max= 9719, per=64.76%, avg=3834.25, stdev=3950.60
  cpu          : usr=5.05%, sys=1.05%, ctx=3504
  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=82.8%, 4=1.8%, 10=6.1%, 20=5.8%, 50=0.9%, 100=0.3%
     lat (msec): 250=1.7%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,248KiB/s, minb=5,082KiB/s, maxb=5,608KiB/s, mint=18696msec, maxt=20630msec
  WRITE: io=115MiB, aggrb=5,921KiB/s, minb=1,748KiB/s, maxb=2,569KiB/s, mint=18696msec, maxt=20630msec

Disk stats (read/write):
  sda: ios=9171/1257, merge=0/28103, ticks=38180/1215972, in_queue=1254148, util=97.72%
3.04user 0.66system 0:20.94elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9171major+97966minor)pagefaults 0swaps