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: [FmF] [42.9% done] [  1520/     0 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [66.7% done] [   392/ 36988 kb/s] [eta 00m:02s]
Threads: 3: [FmF] [71.4% done] [     0/  2244 kb/s] [eta 00m:02s]
Threads: 3: [FmF] [66.7% done] [   448/     0 kb/s] [eta 00m:03s]
Threads: 3: [FmF] [70.0% done] [   392/     0 kb/s] [eta 00m:03s]
Threads: 3: [FmF] [66.7% done] [   596/     0 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [69.2% done] [  1188/     0 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [66.7% done] [  1564/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   956/     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: [VVV] [66.7% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [71.4% done] [ 24840/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [76.2% done] [ 30600/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.0% done] [ 31170/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [94.7% done] [ 32544/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 37556/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 38248/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29584/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34056/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=8195
  read : io=100MiB, bw=4,543KiB/s, runt= 23079msec
    slat (msec): min=   76, max=21590, avg=17155.57, stdev=3621.59
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=18568, per=74.82%, avg=10082.35, stdev=4920.60
  write: io=96,608KiB, bw=7,171KiB/s, runt= 13794msec
    slat (msec): min=    0, max=   15, avg= 1.95, stdev= 2.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=108118, per=255.56%, avg=54059.00, stdev=76450.97
  cpu          : usr=5.48%, sys=1.73%, ctx=792
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8196
  read : io=100MiB, bw=4,656KiB/s, runt= 22520msec
    slat (msec): min=   25, max=12262, avg=6821.58, stdev=3736.78
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=21749, per=45.07%, avg=6073.41, stdev=6887.99
  write: io=90,816KiB, bw=6,628KiB/s, runt= 14030msec
    slat (msec): min=    0, max=  265, avg= 3.50, stdev=19.71
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=65983, per=126.87%, avg=26837.00, stdev=34670.92
  cpu          : usr=5.42%, sys=1.83%, ctx=1073
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8197
  read : io=100MiB, bw=4,492KiB/s, runt= 23342msec
    slat (msec): min=13278, max=22359, avg=18715.44, stdev=2433.78
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=21343, per=76.83%, avg=10353.67, stdev=6708.94
  write: io=100MiB, bw=7,603KiB/s, runt= 13790msec
    slat (msec): min=    0, max=   16, avg= 1.96, stdev= 2.11
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=107731, per=254.65%, avg=53865.50, stdev=76177.32
  cpu          : usr=5.33%, sys=1.83%, ctx=762
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,476KiB/s, minb=4,492KiB/s, maxb=4,656KiB/s, mint=22520msec, maxt=23342msec
  WRITE: io=283MiB, aggrb=21,153KiB/s, minb=6,628KiB/s, maxb=7,603KiB/s, mint=22520msec, maxt=23342msec

Disk stats (read/write):
  sda: ios=3208/2040, merge=1146/70253, ticks=76764/1830824, in_queue=1909352, util=98.67%
3.80user 1.26system 0:23.63elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2419minor)pagefaults 0swaps