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: [mFF] [27.3% done] [  7820/ 13788 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   376/ 63620 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: [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: [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] [ 21148/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [76.2% done] [ 30192/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.0% done] [ 31662/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.0% done] [ 32640/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [90.5% done] [ 37264/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35740/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35384/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29632/     0 kb/s] [eta 00m:00s]
Threads: 1: [_EV] [100.0% done] [ 35388/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=19601
  read : io=100MiB, bw=4,611KiB/s, runt= 22737msec
    slat (msec): min=  101, max=18871, avg=14160.52, stdev=4074.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=18137, per=68.85%, avg=9212.45, stdev=5780.50
  write: io=92,664KiB, bw=6,778KiB/s, runt= 13999msec
    slat (msec): min=    0, max=  123, avg= 2.77, stdev= 8.06
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=118033, per=194.56%, avg=41693.25, stdev=55791.10
  cpu          : usr=5.95%, sys=1.71%, ctx=880
  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=19602
  read : io=100MiB, bw=4,482KiB/s, runt= 23395msec
    slat (msec): min=   73, max=20581, avg=15821.98, stdev=5018.58
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=26271, per=66.80%, avg=8937.41, stdev=7634.55
  write: io=97,892KiB, bw=7,160KiB/s, runt= 13999msec
    slat (msec): min=    0, max=   23, avg= 2.56, stdev= 3.44
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=61017, per=134.42%, avg=28805.67, stdev=30650.73
  cpu          : usr=5.93%, sys=1.62%, ctx=888
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 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=19603
  read : io=100MiB, bw=4,460KiB/s, runt= 23509msec
    slat (msec): min=13378, max=22583, avg=18475.23, stdev=2298.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=22019, per=79.87%, avg=10687.13, stdev=7336.94
  write: io=100MiB, bw=7,490KiB/s, runt= 13999msec
    slat (msec): min=    0, max=   11, avg= 1.95, stdev= 2.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113065, per=263.81%, avg=56532.50, stdev=79949.03
  cpu          : usr=5.16%, sys=1.82%, ctx=796
  IO depths    : 1=12.6%, 2=25.1%, 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=13,380KiB/s, minb=4,460KiB/s, maxb=4,611KiB/s, mint=22737msec, maxt=23509msec
  WRITE: io=286MiB, aggrb=21,429KiB/s, minb=6,778KiB/s, maxb=7,490KiB/s, mint=22737msec, maxt=23509msec

Disk stats (read/write):
  sda: ios=3160/1979, merge=1085/71265, ticks=74996/1834452, in_queue=1909796, util=97.39%
4.00user 1.23system 0:23.80elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps