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] [15.0% done] [ 30112/  1156 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [23.5% done] [ 21364/ 10960 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [29.4% done] [ 27092/  4104 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [37.5% done] [ 15296/ 11988 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 14856/ 22508 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 17272/ 13132 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [  7932/  9496 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.6% done] [  7760/  1984 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.0% done] [  7384/  1404 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [60.0% done] [ 11044/   572 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [59.1% done] [   700/   252 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [58.3% done] [     0/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [60.0% done] [     0/     0 kb/s] [eta 00m:10s]
Threads: 3: [mVV] [61.5% done] [ 62084/   108 kb/s] [eta 00m:10s]
Threads: 1: [m__] [68.0% done] [ 31534/     0 kb/s] [eta 00m:08s]
Threads: 1: [F__] [100.0% done] [  1808/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=2550
  read : io=100MiB, bw=5,546KiB/s, runt= 18906msec
    clat (msec): min=    0, max=  553, avg= 5.85, stdev=32.67
    bw (KiB/s) : min=   24, max=13271, per=34.97%, avg=5818.35, stdev=4552.50
  write: io=26,248KiB, bw=1,433KiB/s, runt= 18754msec
    clat (msec): min=    0, max= 3607, avg=23.85, stdev=214.28
    bw (KiB/s) : min=    0, max=11015, per=65.18%, avg=3873.42, stdev=4653.70
  cpu          : usr=4.95%, sys=0.91%, ctx=3650
  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=81.3%, 4=1.6%, 10=6.2%, 20=7.3%, 50=1.0%, 100=0.2%
     lat (msec): 250=1.6%, 500=0.5%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2551
  read : io=100MiB, bw=6,408KiB/s, runt= 16362msec
    clat (msec): min=    0, max=  253, avg= 4.67, stdev=25.31
    bw (KiB/s) : min=   19, max=16645, per=32.90%, avg=5474.71, stdev=5464.64
  write: io=37,560KiB, bw=2,383KiB/s, runt= 16136msec
    clat (msec): min=    0, max=  257, avg= 7.58, stdev=32.95
    bw (KiB/s) : min=    0, max=12944, per=78.92%, avg=4690.17, stdev=5155.18
  cpu          : usr=5.94%, sys=1.10%, ctx=3450
  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=1.9%, 10=5.9%, 20=6.1%, 50=0.7%, 100=0.0%
     lat (msec): 250=2.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2552
  read : io=100MiB, bw=6,436KiB/s, runt= 16290msec
    clat (msec): min=    0, max=  718, avg= 4.50, stdev=32.02
    bw (KiB/s) : min=    5, max=17225, per=35.39%, avg=5888.06, stdev=5540.72
  write: io=45,048KiB, bw=2,878KiB/s, runt= 16023msec
    clat (msec): min=    0, max=  241, avg= 3.96, stdev=25.35
    bw (KiB/s) : min=    0, max=23093, per=135.86%, avg=8074.00, stdev=7970.19
  cpu          : usr=6.58%, sys=1.15%, ctx=1915
  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=90.0%, 4=1.5%, 10=3.6%, 20=2.9%, 50=0.1%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,638KiB/s, minb=5,546KiB/s, maxb=6,436KiB/s, mint=16290msec, maxt=18906msec
  WRITE: io=106MiB, aggrb=5,943KiB/s, minb=1,433KiB/s, maxb=2,878KiB/s, mint=16290msec, maxt=18906msec

Disk stats (read/write):
  sda: ios=8917/1162, merge=0/26074, ticks=38812/840940, in_queue=879752, util=96.62%
2.98user 0.61system 0:19.46elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8917major+96096minor)pagefaults 0swaps