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: [mmm] [13.6% done] [ 12332/ 11006 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [18.2% done] [ 10364/ 11454 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [23.8% done] [ 18177/  3815 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [27.3% done] [ 14382/  5470 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [31.8% done] [ 17433/  2517 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [34.8% done] [ 16550/  2879 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [39.1% done] [ 12438/  7350 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [43.5% done] [  4140/ 13681 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [47.8% done] [  6150/ 11238 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [52.2% done] [ 13109/  3494 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [54.2% done] [  7289/  7378 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [58.3% done] [ 10864/  3302 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [60.0% done] [  8476/  4242 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [64.0% done] [  8883/  3937 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [65.4% done] [  7215/  3473 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [69.2% done] [ 14553/  2460 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [73.1% done] [ 32706/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [80.0% done] [ 33463/     0 kb/s] [eta 00m:05s]
Threads: 2: [_VV] [95.5% done] [ 33235/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=29916
  read : io=100MiB, bw=5,136KiB/s, runt= 20414msec
    slat (msec): min=    0, max= 3037, avg=450.53, stdev=877.36
    clat (msec): min=    1, max=  353, avg=71.98, stdev=64.31
    bw (KiB/s) : min=   15, max= 9589, per=34.48%, avg=5128.22, stdev=2865.47
  write: io=21,588KiB, bw=1,261KiB/s, runt= 17526msec
    slat (msec): min=    0, max=    6, avg= 0.52, stdev= 1.12
    clat (msec): min=    4, max=  300, avg=73.18, stdev=55.01
    bw (KiB/s) : min=    0, max= 6233, per=32.78%, avg=2130.08, stdev=2351.96
  cpu          : usr=7.64%, sys=0.45%, ctx=1002
  IO depths    : 1=0.1%, 2=1.6%, 4=49.7%, 8=48.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.5%, 10=5.5%, 20=13.4%, 50=27.0%, 100=27.8%
     lat (msec): 250=24.4%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29917
  read : io=100MiB, bw=4,958KiB/s, runt= 21148msec
    slat (msec): min=    0, max= 4155, avg=844.32, stdev=1304.10
    clat (msec): min=    0, max=  289, avg=62.13, stdev=61.68
    bw (KiB/s) : min=  152, max=16465, per=34.43%, avg=5120.44, stdev=3998.50
  write: io=42,296KiB, bw=2,548KiB/s, runt= 16995msec
    slat (msec): min=    0, max=   15, avg= 0.94, stdev= 1.96
    clat (msec): min=    8, max=  301, avg=86.96, stdev=55.43
    bw (KiB/s) : min=    0, max=10976, per=56.96%, avg=3701.55, stdev=3012.52
  cpu          : usr=8.91%, sys=0.59%, ctx=1204
  IO depths    : 1=0.2%, 2=1.3%, 4=42.5%, 8=56.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.3%, 4=0.6%, 10=6.5%, 20=15.5%, 50=26.6%, 100=27.2%
     lat (msec): 250=21.4%, 500=1.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29918
  read : io=100MiB, bw=4,967KiB/s, runt= 21109msec
    slat (msec): min=    0, max= 3488, avg=920.30, stdev=1168.66
    clat (msec): min=    0, max=  288, avg=57.20, stdev=67.09
    bw (KiB/s) : min=   25, max=18395, per=39.13%, avg=5820.87, stdev=4869.26
  write: io=47,952KiB, bw=2,786KiB/s, runt= 17623msec
    slat (msec): min=    0, max=   14, avg= 0.72, stdev= 1.62
    clat (msec): min=    8, max=  332, avg=81.51, stdev=54.78
    bw (KiB/s) : min=    0, max= 9614, per=59.53%, avg=3868.09, stdev=2840.32
  cpu          : usr=8.38%, sys=0.53%, ctx=1266
  IO depths    : 1=0.2%, 2=1.0%, 4=44.0%, 8=54.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.3%, 4=1.3%, 10=14.2%, 20=17.5%, 50=19.7%, 100=24.5%
     lat (msec): 250=21.2%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,874KiB/s, minb=4,958KiB/s, maxb=5,136KiB/s, mint=20414msec, maxt=21148msec
  WRITE: io=109MiB, aggrb=6,498KiB/s, minb=1,261KiB/s, maxb=2,786KiB/s, mint=20414msec, maxt=21148msec

Disk stats (read/write):
  cciss!c0d0: ios=5459/2109, merge=1373/433, ticks=373808/196672, in_queue=570464, util=99.02%
5.26user 0.34system 0:21.49elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+223704outputs (0major+2369minor)pagefaults 0swaps