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] [ 20980/ 12248 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [25.0% done] [ 22940/  9724 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [31.2% done] [ 13913/ 22546 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [37.5% done] [ 17440/ 12464 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [41.2% done] [ 22348/  3712 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [ 13600/ 10156 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.9% done] [ 18660/   104 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [55.6% done] [ 15628/  2396 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [57.9% done] [  5088/  2344 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [60.0% done] [  2348/  3600 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [65.0% done] [  1928/  3656 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  2704/  3140 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   216/   172 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [ 24108/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=20610
  read : io=100MiB, bw=5,592KiB/s, runt= 18750msec
    clat (msec): min=    0, max=  283, avg= 3.00, stdev=23.39
    bw (KiB/s) : min=    8, max=13923, per=31.73%, avg=5218.47, stdev=5162.70
  write: io=56,288KiB, bw=3,127KiB/s, runt= 18427msec
    clat (msec): min=    0, max=  899, avg= 7.69, stdev=48.22
    bw (KiB/s) : min=    0, max=16441, per=103.99%, avg=6552.27, stdev=6020.44
  cpu          : usr=6.12%, sys=1.30%, ctx=1746
  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=90.9%, 4=1.4%, 10=3.3%, 20=2.4%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.3%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=20611
  read : io=100MiB, bw=5,481KiB/s, runt= 19128msec
    clat (msec): min=    0, max=  268, avg= 4.96, stdev=26.24
    bw (KiB/s) : min=    6, max=10963, per=30.86%, avg=5075.42, stdev=4189.95
  write: io=36,048KiB, bw=1,950KiB/s, runt= 18923msec
    clat (msec): min=    0, max=  292, avg= 7.97, stdev=29.60
    bw (KiB/s) : min=    0, max=14111, per=65.88%, avg=4151.00, stdev=4345.57
  cpu          : usr=4.91%, sys=1.30%, ctx=4708
  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=79.9%, 4=1.8%, 10=7.5%, 20=7.3%, 50=0.7%, 100=0.8%
     lat (msec): 250=1.6%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=20612
  read : io=100MiB, bw=6,253KiB/s, runt= 16767msec
    clat (msec): min=    0, max=  301, avg= 4.63, stdev=26.80
    bw (KiB/s) : min=    6, max=22466, per=45.90%, avg=7547.74, stdev=6671.58
  write: io=24,108KiB, bw=1,484KiB/s, runt= 16628msec
    clat (msec): min=    0, max=  286, avg= 7.23, stdev=35.72
    bw (KiB/s) : min=    0, max=12367, per=83.16%, avg=5239.86, stdev=5180.18
  cpu          : usr=5.37%, sys=0.79%, ctx=2572
  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=85.8%, 4=2.0%, 10=5.4%, 20=4.1%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,445KiB/s, minb=5,481KiB/s, maxb=6,253KiB/s, mint=16767msec, maxt=19128msec
  WRITE: io=114MiB, aggrb=6,301KiB/s, minb=1,484KiB/s, maxb=3,127KiB/s, mint=16767msec, maxt=19128msec

Disk stats (read/write):
  sda: ios=8607/1210, merge=0/27945, ticks=33600/1440464, in_queue=1474064, util=98.26%
2.98user 0.72system 0:19.43elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8606major+98305minor)pagefaults 0swaps