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] [23.1% done] [  9988/ 80936 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [25.0% done] [  7724/ 76988 kb/s] [eta 00m:12s]
Threads: 3: [mmF] [25.0% done] [  1644/     0 kb/s] [eta 00m:15s]
Threads: 3: [mmF] [26.1% done] [  1676/     0 kb/s] [eta 00m:17s]
Threads: 3: [mFF] [26.9% done] [  1196/ 14264 kb/s] [eta 00m:19s]
Threads: 3: [mFF] [27.6% done] [  1076/     0 kb/s] [eta 00m:21s]
Threads: 3: [FFF] [100.0% done] [   436/ 60268 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] [67.9% done] [  4355/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [69.0% done] [ 20460/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [72.4% done] [ 31660/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.9% done] [ 21472/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [82.1% done] [ 30756/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.7% done] [ 33080/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [96.2% done] [ 31752/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 30788/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30032/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14194
  read : io=100MiB, bw=3,669KiB/s, runt= 28573msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1375, avg=85.02, stdev=164.85
    bw (KiB/s) : min=    7, max=19252, per=45.84%, avg=5046.53, stdev=4789.71
  write: io=83,952KiB, bw=4,562KiB/s, runt= 18840msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  615, avg= 2.62, stdev=30.17
    bw (KiB/s) : min=    0, max= 4167, per=14.61%, avg=2083.50, stdev=2946.51
  cpu          : usr=2.63%, sys=1.20%, ctx=5912
  IO depths    : 1=1.2%, 2=52.2%, 4=29.9%, 8=16.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.6%, 4=2.1%, 10=17.6%, 20=15.4%, 50=5.8%, 100=0.6%
     lat (msec): 250=7.3%, 500=3.2%, 750=1.7%, 1000=0.4%, >=2000=0.2%
fio: (groupid=0): err= 0: pid=14195
  read : io=100MiB, bw=3,749KiB/s, runt= 27967msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  630, avg=64.40, stdev=114.55
    bw (KiB/s) : min=    3, max=15555, per=59.44%, avg=6543.30, stdev=4618.32
  write: io=85,656KiB, bw=4,655KiB/s, runt= 18840msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  407, avg= 2.42, stdev=22.89
    bw (KiB/s) : min=    0, max=36552, per=114.83%, avg=16380.33, stdev=18568.60
  cpu          : usr=2.53%, sys=1.54%, ctx=6095
  IO depths    : 1=1.5%, 2=53.4%, 4=29.9%, 8=15.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.7%, 4=0.2%, 10=19.1%, 20=14.1%, 50=6.1%, 100=1.2%
     lat (msec): 250=7.2%, 500=3.3%, 750=0.8%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14196
  read : io=100MiB, bw=3,722KiB/s, runt= 28165msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  599, avg=54.59, stdev=98.30
    bw (KiB/s) : min=    3, max=17546, per=67.67%, avg=7449.39, stdev=5096.10
  write: io=92,860KiB, bw=5,050KiB/s, runt= 18828msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  255, avg= 2.22, stdev=14.14
    bw (KiB/s) : min=    0, max=22022, per=88.41%, avg=12611.67, stdev=11354.67
  cpu          : usr=2.97%, sys=1.42%, ctx=6007
  IO depths    : 1=2.3%, 2=52.3%, 4=31.9%, 8=13.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=44.6%, 4=1.1%, 10=23.6%, 20=15.0%, 50=5.0%, 100=0.6%
     lat (msec): 250=7.7%, 500=2.0%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,009KiB/s, minb=3,669KiB/s, maxb=3,749KiB/s, mint=27967msec, maxt=28573msec
  WRITE: io=256MiB, aggrb=14,265KiB/s, minb=4,562KiB/s, maxb=5,050KiB/s, mint=27967msec, maxt=28573msec

Disk stats (read/write):
  sda: ios=3725/2514, merge=1349/63025, ticks=106380/2137640, in_queue=2245028, util=98.91%
2.33user 1.24system 0:29.03elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2483minor)pagefaults 0swaps