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] [21.4% done] [ 18350/ 15750 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [28.6% done] [ 32682/  4282 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [38.5% done] [ 14145/ 24112 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [42.9% done] [ 14080/  9914 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [ 13417/ 17501 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [57.1% done] [ 19488/ 14811 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [56.2% done] [ 14319/  1763 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [  5583/  2182 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [61.1% done] [  3693/  3518 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [63.2% done] [    12/  6643 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [68.4% done] [  4486/  1548 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [  1223/     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: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVF] [67.9% done] [ 23877/     0 kb/s] [eta 00m:09s]
fio: (groupid=0): err= 0: pid=16536
  read : io=100MiB, bw=5,495KiB/s, runt= 19081msec
    clat (msec): min=    0, max=  299, avg= 5.32, stdev=25.98
    bw (KiB/s) : min=    5, max=14644, per=37.82%, avg=6123.68, stdev=5196.28
  write: io=24,964KiB, bw=1,352KiB/s, runt= 18899msec
    clat (msec): min=    0, max=  325, avg= 6.65, stdev=29.74
    bw (KiB/s) : min=    0, max=12348, per=67.00%, avg=4142.00, stdev=4896.65
  cpu          : usr=4.84%, sys=0.99%, ctx=4103
  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=80.4%, 4=2.4%, 10=6.7%, 20=6.9%, 50=0.8%, 100=0.6%
     lat (msec): 250=1.8%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16537
  read : io=100MiB, bw=5,442KiB/s, runt= 19268msec
    clat (msec): min=    0, max=  577, avg= 3.70, stdev=27.28
    bw (KiB/s) : min=    2, max=18469, per=41.90%, avg=6782.94, stdev=5826.01
  write: io=39,240KiB, bw=2,114KiB/s, runt= 19007msec
    clat (msec): min=    0, max=  286, avg= 6.66, stdev=31.75
    bw (KiB/s) : min=    0, max=16619, per=72.53%, avg=4483.55, stdev=5318.34
  cpu          : usr=5.25%, sys=1.18%, ctx=2231
  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=89.2%, 4=1.5%, 10=3.3%, 20=3.5%, 50=0.3%, 100=0.2%
     lat (msec): 250=1.6%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16538
  read : io=100MiB, bw=5,396KiB/s, runt= 19429msec
    clat (msec): min=    0, max=  304, avg= 2.85, stdev=20.61
    bw (KiB/s) : min=    7, max=16318, per=35.91%, avg=5814.06, stdev=6318.14
  write: io=51,340KiB, bw=2,747KiB/s, runt= 19136msec
    clat (msec): min=    0, max=  290, avg= 5.43, stdev=27.84
    bw (KiB/s) : min=    0, max=14513, per=95.41%, avg=5898.13, stdev=6057.69
  cpu          : usr=5.64%, sys=0.84%, ctx=2212
  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=89.4%, 4=1.2%, 10=3.6%, 20=3.6%, 50=0.3%, 100=0.3%
     lat (msec): 250=1.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,190KiB/s, minb=5,396KiB/s, maxb=5,495KiB/s, mint=19081msec, maxt=19429msec
  WRITE: io=113MiB, aggrb=6,182KiB/s, minb=1,352KiB/s, maxb=2,747KiB/s, mint=19081msec, maxt=19429msec

Disk stats (read/write):
  sda: ios=8314/1288, merge=0/27650, ticks=32820/1376680, in_queue=1409500, util=97.88%
3.04user 0.65system 0:19.70elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8314major+98381minor)pagefaults 0swaps