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: [FFm] [37.5% done] [  5636/ 30340 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [66.7% done] [  1332/ 39764 kb/s] [eta 00m:02s]
Threads: 3: [FFF] [100.0% done] [     0/  5464 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] [70.0% done] [   886/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [68.2% done] [ 21960/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 31389/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 23949/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 32305/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35347/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33772/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30519/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32114/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 31011/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14731
  read : io=100MiB, bw=4,367KiB/s, runt= 24009msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1019, avg=55.05, stdev=99.48
    bw (KiB/s) : min=    0, max=17456, per=61.70%, avg=8083.91, stdev=5781.81
  write: io=93,392KiB, bw=6,708KiB/s, runt= 14256msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  287, avg= 2.29, stdev=18.52
    bw (KiB/s) : min=    0, max=35414, per=106.28%, avg=21381.00, stdev=18815.76
  cpu          : usr=3.22%, sys=1.68%, ctx=4587
  IO depths    : 1=4.0%, 2=56.4%, 4=28.6%, 8=11.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.7%, 4=0.7%, 10=16.3%, 20=16.0%, 50=6.7%, 100=1.5%
     lat (msec): 250=8.6%, 500=2.2%, 750=0.1%, 1000=0.1%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=14732
  read : io=100MiB, bw=4,485KiB/s, runt= 23373msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  886, avg=48.33, stdev=88.69
    bw (KiB/s) : min=   15, max=22060, per=73.60%, avg=9641.90, stdev=6784.09
  write: io=97,408KiB, bw=6,986KiB/s, runt= 14276msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  119, avg= 0.65, stdev= 5.94
    bw (KiB/s) : min=    0, max=36571, per=90.90%, avg=18285.50, stdev=25859.60
  cpu          : usr=3.41%, sys=1.73%, ctx=4408
  IO depths    : 1=3.0%, 2=56.6%, 4=30.2%, 8=10.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.3%, 4=0.5%, 10=15.1%, 20=16.5%, 50=7.4%, 100=2.2%
     lat (msec): 250=7.2%, 500=1.0%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14733
  read : io=100MiB, bw=4,375KiB/s, runt= 23965msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  563, avg=59.70, stdev=92.09
    bw (KiB/s) : min=    1, max=18617, per=56.88%, avg=7452.48, stdev=5057.45
  write: io=89,672KiB, bw=6,439KiB/s, runt= 14260msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  238, avg= 1.23, stdev=12.83
    bw (KiB/s) : min=    0, max=16772, per=41.69%, avg=8386.00, stdev=11859.59
  cpu          : usr=2.87%, sys=1.75%, ctx=4676
  IO depths    : 1=3.0%, 2=56.1%, 4=28.2%, 8=12.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.1%, 4=0.2%, 10=10.8%, 20=17.2%, 50=9.2%, 100=1.9%
     lat (msec): 250=10.2%, 500=2.0%, 750=0.4%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,101KiB/s, minb=4,367KiB/s, maxb=4,485KiB/s, mint=23373msec, maxt=24009msec
  WRITE: io=274MiB, aggrb=20,117KiB/s, minb=6,439KiB/s, maxb=6,986KiB/s, mint=23373msec, maxt=24009msec

Disk stats (read/write):
  sda: ios=3398/1921, merge=1444/68079, ticks=72380/1976816, in_queue=2059204, util=98.67%
2.31user 1.26system 0:24.48elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2460minor)pagefaults 0swaps