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] [13.0% done] [ 14528/ 14568 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [21.1% done] [ 21952/  7484 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [29.4% done] [ 14304/ 17912 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [35.3% done] [ 17176/  9512 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [ 27668/  1808 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [44.4% done] [ 11200/ 14788 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.9% done] [ 19616/  8532 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [ 10972/  6236 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [57.9% done] [  4596/  1180 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [60.0% done] [  3840/  2308 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [61.9% done] [  1792/  1372 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [60.9% done] [     0/     0 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [60.0% done] [     0/     0 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [61.5% done] [     0/    60 kb/s] [eta 00m:10s]
Threads: 1: [_m_] [65.4% done] [ 79172/  3972 kb/s] [eta 00m:09s]
Threads: 1: [_F_] [100.0% done] [  3944/   168 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4596
  read : io=100MiB, bw=6,351KiB/s, runt= 16510msec
    clat (msec): min=    0, max=  314, avg= 3.99, stdev=27.08
    bw (KiB/s) : min=    3, max=30450, per=33.88%, avg=5394.75, stdev=7678.32
  write: io=39,744KiB, bw=2,499KiB/s, runt= 16280msec
    clat (msec): min=    0, max=  330, avg= 6.99, stdev=32.98
    bw (KiB/s) : min=    0, max=16198, per=82.16%, avg=4736.50, stdev=5486.72
  cpu          : usr=5.91%, sys=1.21%, ctx=2563
  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=87.5%, 4=2.0%, 10=4.1%, 20=3.8%, 50=0.6%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4597
  read : io=100MiB, bw=5,307KiB/s, runt= 19756msec
    clat (msec): min=    0, max=  534, avg= 5.55, stdev=30.42
    bw (KiB/s) : min=   11, max=11792, per=29.78%, avg=4740.83, stdev=4042.76
  write: io=33,804KiB, bw=1,769KiB/s, runt= 19558msec
    clat (msec): min=    0, max= 3018, avg=14.02, stdev=134.72
    bw (KiB/s) : min=    0, max=10567, per=54.66%, avg=3151.12, stdev=3742.28
  cpu          : usr=4.96%, sys=0.81%, ctx=4416
  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=79.7%, 4=1.9%, 10=7.4%, 20=7.5%, 50=1.1%, 100=0.0%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4598
  read : io=100MiB, bw=6,306KiB/s, runt= 16626msec
    clat (msec): min=    0, max=  243, avg= 4.25, stdev=26.64
    bw (KiB/s) : min=    5, max=17277, per=35.08%, avg=5584.90, stdev=5416.51
  write: io=36,568KiB, bw=2,281KiB/s, runt= 16410msec
    clat (msec): min=    0, max=  892, avg= 7.54, stdev=48.87
    bw (KiB/s) : min=    0, max=15181, per=78.86%, avg=4546.13, stdev=5502.50
  cpu          : usr=6.01%, sys=1.18%, ctx=2323
  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=88.5%, 4=1.5%, 10=4.2%, 20=3.5%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,922KiB/s, minb=5,307KiB/s, maxb=6,351KiB/s, mint=16510msec, maxt=19756msec
  WRITE: io=108MiB, aggrb=5,765KiB/s, minb=1,769KiB/s, maxb=2,499KiB/s, mint=16510msec, maxt=19756msec

Disk stats (read/write):
  sda: ios=9198/1348, merge=0/26203, ticks=40184/1006480, in_queue=1046664, util=97.32%
2.95user 0.64system 0:20.07elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9198major+96141minor)pagefaults 0swaps