fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [12.5% done] [  8336/ 15856 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [17.4% done] [ 17900/  5156 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [23.8% done] [  8296/ 15084 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [28.6% done] [  7540/ 13968 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [33.3% done] [  4744/ 15472 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [38.1% done] [ 12968/  6944 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [42.9% done] [  7888/  9800 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [45.5% done] [ 14504/  4392 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [50.0% done] [  9816/  5492 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [54.5% done] [ 11612/  3324 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [56.5% done] [  6996/  5636 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [58.3% done] [  6220/  6156 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [62.5% done] [  7292/  4776 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [64.0% done] [  5048/  3788 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [65.4% done] [  7512/  2144 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [69.2% done] [ 17996/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [76.0% done] [ 24600/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 23816/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [84.0% done] [ 22528/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.7% done] [ 23868/     0 kb/s] [eta 00m:02s]
Threads: 2: [VEV] [95.8% done] [ 23908/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=23743
  read : io=100MiB, bw=4,358KiB/s, runt= 24058msec
    slat (msec): min=    0, max= 6763, avg=1295.33, stdev=1959.94
    clat (msec): min=    0, max=  641, avg=72.31, stdev=76.67
    bw (KiB/s) : min=   43, max=12599, per=37.80%, avg=4938.92, stdev=3257.83
  write: io=45,536KiB, bw=2,694KiB/s, runt= 17304msec
    slat (msec): min=    0, max=    8, avg= 0.10, stdev= 0.61
    clat (msec): min=    0, max=  826, avg=95.61, stdev=106.92
    bw (KiB/s) : min=    0, max=10296, per=40.77%, avg=3494.83, stdev=3021.41
  cpu          : usr=3.74%, sys=0.23%, ctx=1875
  IO depths    : 1=0.2%, 2=0.6%, 4=14.7%, 8=84.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.6%, 4=0.8%, 10=4.2%, 20=14.7%, 50=29.6%, 100=23.2%
     lat (msec): 250=20.3%, 500=5.0%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23744
  read : io=100MiB, bw=4,491KiB/s, runt= 23344msec
    slat (msec): min=    0, max= 7151, avg=1286.03, stdev=2107.83
    clat (msec): min=    0, max=  760, avg=73.34, stdev=72.98
    bw (KiB/s) : min=   38, max=11476, per=40.23%, avg=5257.06, stdev=3027.33
  write: io=38,688KiB, bw=2,486KiB/s, runt= 15935msec
    slat (msec): min=    0, max=    3, avg= 0.03, stdev= 0.23
    clat (msec): min=    0, max=  703, avg=79.63, stdev=90.11
    bw (KiB/s) : min=    0, max=13791, per=53.15%, avg=4556.81, stdev=4499.74
  cpu          : usr=4.46%, sys=0.29%, ctx=1901
  IO depths    : 1=0.2%, 2=0.4%, 4=11.3%, 8=88.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=2.8%, 4=0.4%, 10=3.5%, 20=11.8%, 50=30.2%, 100=28.3%
     lat (msec): 250=19.1%, 500=3.3%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23745
  read : io=100MiB, bw=4,355KiB/s, runt= 24074msec
    slat (msec): min=    0, max= 6446, avg=2043.51, stdev=2325.57
    clat (msec): min=    0, max=  564, avg=61.39, stdev=71.95
    bw (KiB/s) : min=   13, max=19811, per=37.57%, avg=4908.97, stdev=4796.08
  write: io=63,296KiB, bw=3,678KiB/s, runt= 17619msec
    slat (msec): min=    0, max=    7, avg= 0.11, stdev= 0.61
    clat (msec): min=    0, max=  822, avg=91.89, stdev=108.69
    bw (KiB/s) : min=    0, max= 9438, per=44.27%, avg=3795.00, stdev=2911.41
  cpu          : usr=4.60%, sys=0.38%, ctx=1878
  IO depths    : 1=0.1%, 2=0.8%, 4=19.7%, 8=79.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=1.8%, 4=1.3%, 10=6.0%, 20=17.2%, 50=29.4%, 100=22.2%
     lat (msec): 250=17.4%, 500=3.9%, 750=0.5%, 1000=0.2%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,066KiB/s, minb=4,355KiB/s, maxb=4,491KiB/s, mint=23344msec, maxt=24074msec
  WRITE: io=144MiB, aggrb=8,573KiB/s, minb=2,486KiB/s, maxb=3,678KiB/s, mint=23344msec, maxt=24074msec

Disk stats (read/write):
  sda: ios=4520/2142, merge=1510/374, ticks=304884/302460, in_queue=607344, util=99.43%
3.10user 0.30system 0:24.40elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2385minor)pagefaults 0swaps