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] [10.3% done] [ 16477/ 17513 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [18.2% done] [ 17945/ 27439 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [26.3% done] [ 23165/ 13462 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [33.3% done] [ 18350/ 10487 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [38.9% done] [ 22747/ 12032 kb/s] [eta 00m:11s]
Threads: 3: [mFm] [44.4% done] [  9374/  5778 kb/s] [eta 00m:10s]
Threads: 3: [mFm] [50.0% done] [ 10963/   292 kb/s] [eta 00m:09s]
Threads: 3: [mFm] [55.6% done] [  5697/  4624 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [61.1% done] [  6091/  5075 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [63.2% done] [  4460/  1208 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [65.0% done] [  4732/  2280 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  3492/   816 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: [FEF] [100.0% done] [ 54028/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [76.0% done] [ 32484/     0 kb/s] [eta 00m:06s]
fio: (groupid=0): err= 0: pid=5179
  read : io=100MiB, bw=5,432KiB/s, runt= 19301msec
    clat (msec): min=    0, max=  212, avg= 4.90, stdev=21.37
    bw (KiB/s) : min=    5, max=22459, per=37.82%, avg=6137.05, stdev=6412.65
  write: io=31,996KiB, bw=1,729KiB/s, runt= 18940msec
    clat (msec): min=    0, max=  210, avg= 6.85, stdev=25.43
    bw (KiB/s) : min=    0, max=13036, per=70.09%, avg=4585.77, stdev=5310.80
  cpu          : usr=5.78%, sys=1.06%, ctx=4422
  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=78.8%, 4=2.3%, 10=7.1%, 20=7.7%, 50=1.4%, 100=0.5%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5180
  read : io=100MiB, bw=5,817KiB/s, runt= 18025msec
    clat (msec): min=    0, max=  235, avg= 1.81, stdev=16.40
    bw (KiB/s) : min=   18, max=24272, per=49.99%, avg=8110.60, stdev=9498.46
  write: io=54,028KiB, bw=3,123KiB/s, runt= 17715msec
    clat (msec): min=    0, max=  617, avg= 4.70, stdev=33.24
    bw (KiB/s) : min=    0, max=27014, per=144.65%, avg=9464.30, stdev=9964.75
  cpu          : usr=5.70%, sys=1.31%, ctx=745
  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=96.2%, 4=0.3%, 10=1.1%, 20=0.5%, 50=0.3%, 100=0.3%
     lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5181
  read : io=100MiB, bw=5,408KiB/s, runt= 19387msec
    clat (msec): min=    0, max=  824, avg= 4.96, stdev=30.85
    bw (KiB/s) : min=   32, max=14580, per=34.05%, avg=5525.26, stdev=5130.63
  write: io=35,420KiB, bw=1,908KiB/s, runt= 19006msec
    clat (msec): min=    0, max=  366, avg= 7.75, stdev=32.72
    bw (KiB/s) : min=    0, max=10972, per=62.17%, avg=4067.57, stdev=4483.56
  cpu          : usr=6.02%, sys=1.26%, ctx=3545
  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=83.9%, 4=1.2%, 10=5.2%, 20=6.0%, 50=0.8%, 100=0.7%
     lat (msec): 250=1.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,225KiB/s, minb=5,408KiB/s, maxb=5,817KiB/s, mint=18025msec, maxt=19387msec
  WRITE: io=119MiB, aggrb=6,543KiB/s, minb=1,729KiB/s, maxb=3,123KiB/s, mint=18025msec, maxt=19387msec

Disk stats (read/write):
  sda: ios=8543/1377, merge=0/29034, ticks=30684/1677984, in_queue=1708668, util=96.72%
3.31user 0.70system 0:19.80elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8543major+99626minor)pagefaults 0swaps