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] [ 21463/  5916 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [22.2% done] [ 11154/ 15937 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [29.4% done] [ 30740/  5059 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [35.3% done] [ 22162/  5205 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [ 11995/ 18678 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 11755/  9459 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [56.2% done] [ 23868/  3246 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [ 12832/  4047 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  7627/  2734 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  5120/  3929 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  6018/  2129 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  3137/  3868 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] [ 42412/     0 kb/s] [eta 00m:00s]
Threads: 1: [_EV] [86.4% done] [ 57844/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=8514
  read : io=100MiB, bw=6,038KiB/s, runt= 17364msec
    clat (msec): min=    0, max=  303, avg= 3.45, stdev=22.05
    bw (KiB/s) : min=    9, max=20147, per=36.45%, avg=5991.65, stdev=5879.07
  write: io=42,412KiB, bw=2,536KiB/s, runt= 17120msec
    clat (msec): min=    0, max=  249, avg= 7.65, stdev=32.89
    bw (KiB/s) : min=    0, max=16611, per=84.14%, avg=4800.80, stdev=5142.21
  cpu          : usr=6.06%, sys=1.24%, ctx=2768
  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=86.9%, 4=1.8%, 10=4.4%, 20=3.9%, 50=0.7%, 100=0.3%
     lat (msec): 250=1.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8515
  read : io=100MiB, bw=5,535KiB/s, runt= 18942msec
    clat (msec): min=    0, max=  295, avg= 5.55, stdev=27.84
    bw (KiB/s) : min=    7, max=11311, per=33.45%, avg=5499.52, stdev=4183.24
  write: io=31,328KiB, bw=1,710KiB/s, runt= 18759msec
    clat (msec): min=    0, max=  260, avg= 6.92, stdev=30.00
    bw (KiB/s) : min=    0, max=16897, per=85.57%, avg=4882.58, stdev=5338.87
  cpu          : usr=5.03%, sys=1.33%, ctx=3190
  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=83.1%, 4=2.2%, 10=5.4%, 20=5.9%, 50=0.5%, 100=0.5%
     lat (msec): 250=2.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8516
  read : io=100MiB, bw=5,479KiB/s, runt= 19135msec
    clat (msec): min=    0, max=  289, avg= 5.84, stdev=30.45
    bw (KiB/s) : min=    7, max=14128, per=32.38%, avg=5322.21, stdev=4044.11
  write: io=31,868KiB, bw=1,722KiB/s, runt= 18950msec
    clat (msec): min=    0, max=  252, avg= 7.29, stdev=31.62
    bw (KiB/s) : min=    0, max=15654, per=77.76%, avg=4437.00, stdev=5637.70
  cpu          : usr=5.06%, sys=1.19%, ctx=2639
  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=85.7%, 4=1.4%, 10=5.1%, 20=4.3%, 50=0.3%, 100=0.2%
     lat (msec): 250=2.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,439KiB/s, minb=5,479KiB/s, maxb=6,038KiB/s, mint=17364msec, maxt=19135msec
  WRITE: io=103MiB, aggrb=5,706KiB/s, minb=1,710KiB/s, maxb=2,536KiB/s, mint=17364msec, maxt=19135msec

Disk stats (read/write):
  sda: ios=8313/1209, merge=0/25227, ticks=36972/1246204, in_queue=1283176, util=98.20%
2.98user 0.72system 0:19.42elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8313major+95894minor)pagefaults 0swaps