fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [11.1% done] [ 11099/ 71307 kb/s] [eta 00m:24s]
Threads: 3: [FFm] [14.3% done] [  7372/ 64728 kb/s] [eta 00m:24s]
Threads: 3: [FFm] [29.4% done] [  1704/ 19472 kb/s] [eta 00m:12s]
Threads: 3: [FFm] [30.0% done] [  1624/     0 kb/s] [eta 00m:14s]
Threads: 3: [FFm] [36.8% done] [  1800/  7624 kb/s] [eta 00m:12s]
Threads: 3: [FFF] [100.0% done] [  1144/ 47484 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] [68.0% done] [ 13952/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 25876/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [76.0% done] [ 23092/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [83.3% done] [ 26480/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.3% done] [ 33380/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.7% done] [ 32736/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 27928/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29144/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 28048/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13728
  read : io=100MiB, bw=3,990KiB/s, runt= 26274msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  694, avg=58.35, stdev=105.51
    bw (KiB/s) : min=    0, max=15593, per=60.70%, avg=7260.38, stdev=4774.50
  write: io=91,400KiB, bw=5,632KiB/s, runt= 16616msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  239, avg= 1.57, stdev=14.02
    bw (KiB/s) : min=    0, max=35175, per=101.13%, avg=16012.67, stdev=17797.77
  cpu          : usr=3.23%, sys=1.45%, ctx=5632
  IO depths    : 1=1.7%, 2=54.8%, 4=30.3%, 8=13.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.7%, 4=1.9%, 10=20.9%, 20=11.9%, 50=6.5%, 100=1.0%
     lat (msec): 250=7.8%, 500=2.5%, 750=0.6%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13729
  read : io=100MiB, bw=4,123KiB/s, runt= 25367msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  678, avg=51.31, stdev=89.55
    bw (KiB/s) : min=   17, max=24819, per=69.79%, avg=8348.00, stdev=6791.12
  write: io=90,936KiB, bw=5,604KiB/s, runt= 16616msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  207, avg= 1.61, stdev=14.09
    bw (KiB/s) : min=    0, max=41422, per=142.70%, avg=22593.33, stdev=20966.05
  cpu          : usr=3.14%, sys=1.56%, ctx=5521
  IO depths    : 1=1.4%, 2=53.6%, 4=30.6%, 8=14.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.5%, 4=1.9%, 10=18.5%, 20=13.7%, 50=7.1%, 100=2.6%
     lat (msec): 250=7.5%, 500=1.6%, 750=0.3%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13730
  read : io=100MiB, bw=4,008KiB/s, runt= 26154msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  687, avg=80.46, stdev=118.96
    bw (KiB/s) : min=    3, max=19324, per=47.95%, avg=5735.72, stdev=4362.04
  write: io=74,580KiB, bw=4,597KiB/s, runt= 16612msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  447, avg= 3.04, stdev=26.74
    bw (KiB/s) : min=    0, max= 9347, per=32.64%, avg=5168.00, stdev=4751.34
  cpu          : usr=2.10%, sys=1.45%, ctx=5647
  IO depths    : 1=1.2%, 2=48.4%, 4=30.8%, 8=19.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.1%, 4=0.2%, 10=14.0%, 20=15.2%, 50=7.1%, 100=1.7%
     lat (msec): 250=11.3%, 500=4.3%, 750=0.7%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,962KiB/s, minb=3,990KiB/s, maxb=4,123KiB/s, mint=25367msec, maxt=26274msec
  WRITE: io=251MiB, aggrb=15,833KiB/s, minb=4,597KiB/s, maxb=5,632KiB/s, mint=25367msec, maxt=26274msec

Disk stats (read/write):
  sda: ios=3797/2203, merge=1250/62009, ticks=81240/2014688, in_queue=2095928, util=99.03%
2.25user 1.20system 0:26.59elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2466minor)pagefaults 0swaps