fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [17.6% done] [ 21320/  8148 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [23.5% done] [ 23216/  7080 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [29.4% done] [ 13744/ 17192 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [33.3% done] [ 18810/  4542 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [38.9% done] [ 16076/  7171 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [ 22417/  3418 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.9% done] [  5486/ 15033 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [ 14446/  9255 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [ 10673/  3733 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  2067/  5265 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  2264/  5206 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  4068/  2721 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/   823 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [85.0% done] [ 25942/     0 kb/s] [eta 00m:03s]
Threads: 2: [_FF] [100.0% done] [  5998/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5188
  read : io=100MiB, bw=5,993KiB/s, runt= 17495msec
    clat (msec): min=    0, max=  303, avg= 3.52, stdev=23.01
    bw (KiB/s) : min=    3, max=17980, per=53.23%, avg=8364.33, stdev=6363.70
  write: io=32,440KiB, bw=1,919KiB/s, runt= 17306msec
    clat (msec): min=    0, max=  307, avg= 8.01, stdev=38.85
    bw (KiB/s) : min=    0, max=10800, per=68.91%, avg=3918.46, stdev=3689.18
  cpu          : usr=5.42%, sys=1.23%, ctx=2821
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=86.7%, 4=1.7%, 10=4.5%, 20=4.6%, 50=0.4%, 100=0.3%
     lat (msec): 250=1.1%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5189
  read : io=100MiB, bw=5,276KiB/s, runt= 19873msec
    clat (msec): min=    0, max=  356, avg= 4.88, stdev=31.01
    bw (KiB/s) : min=   19, max=11933, per=25.60%, avg=4023.18, stdev=4160.96
  write: io=48,272KiB, bw=2,522KiB/s, runt= 19597msec
    clat (msec): min=    0, max=  456, avg= 7.65, stdev=36.36
    bw (KiB/s) : min=    0, max=13081, per=73.26%, avg=4165.84, stdev=4757.03
  cpu          : usr=5.41%, sys=1.13%, ctx=3020
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=85.5%, 4=1.7%, 10=5.0%, 20=4.7%, 50=0.5%, 100=0.5%
     lat (msec): 250=1.2%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5190
  read : io=100MiB, bw=5,238KiB/s, runt= 20018msec
    clat (msec): min=    0, max=  529, avg= 5.18, stdev=30.50
    bw (KiB/s) : min=    5, max=13375, per=37.46%, avg=5886.10, stdev=4692.24
  write: io=29,512KiB, bw=1,522KiB/s, runt= 19848msec
    clat (msec): min=    0, max=  303, avg= 9.67, stdev=40.92
    bw (KiB/s) : min=    0, max= 9896, per=66.24%, avg=3766.50, stdev=3453.91
  cpu          : usr=4.94%, sys=0.88%, ctx=3070
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=83.5%, 4=2.1%, 10=5.4%, 20=5.7%, 50=0.8%, 100=0.3%
     lat (msec): 250=1.6%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,714KiB/s, minb=5,238KiB/s, maxb=5,993KiB/s, mint=17495msec, maxt=20018msec
  WRITE: io=108MiB, aggrb=5,686KiB/s, minb=1,522KiB/s, maxb=2,522KiB/s, mint=17495msec, maxt=20018msec

Disk stats (read/write):
  sda: ios=8697/1332, merge=0/26284, ticks=38416/1324144, in_queue=1362556, util=98.55%
3.02user 0.66system 0:20.34elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8696major+96667minor)pagefaults 0swaps