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] [12.0% done] [ 16456/ 2112 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.0% done] [ 19220/ 1400 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 11808/ 5604 kb/s] [eta 00m:20s] Threads: 3: [mmm] [23.1% done] [ 8104/ 8340 kb/s] [eta 00m:20s] Threads: 3: [mmm] [25.9% done] [ 10924/ 5576 kb/s] [eta 00m:20s] Threads: 3: [mmm] [29.6% done] [ 10228/ 5200 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 12388/ 2960 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 4076/ 9696 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 10564/ 4324 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 8552/ 5633 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 9768/ 4932 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 11440/ 1972 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 8364/ 3856 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 7808/ 4620 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 6548/ 3552 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 7284/ 3476 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 4236/ 4592 kb/s] [eta 00m:13s] Threads: 3: [mmm] [62.5% done] [ 5812/ 2920 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 9652/ 16 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 7379/ 4075 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19252/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 18600/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 17248/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 18140/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=28012 read : io=100MiB, bw=3,910KiB/s, runt= 26811msec slat (msec): min= 0, max= 4730, avg=708.36, stdev=1362.12 clat (msec): min= 2, max= 703, avg=99.93, stdev=88.29 bw (KiB/s) : min= 55, max=10698, per=37.84%, avg=4333.48, stdev=2379.07 write: io=23,968KiB, bw=1,124KiB/s, runt= 21824msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.25 clat (msec): min= 0, max= 748, avg=87.02, stdev=106.65 bw (KiB/s) : min= 0, max= 5652, per=55.98%, avg=2520.57, stdev=2162.96 cpu : usr=2.91%, sys=0.16%, ctx=1828 IO depths : 1=0.1%, 2=0.2%, 4=10.7%, 8=88.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.9%, 10=3.6%, 20=12.1%, 50=20.5%, 100=24.3% lat (msec): 250=30.4%, 500=6.5%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28013 read : io=100MiB, bw=3,817KiB/s, runt= 27468msec slat (msec): min= 0, max= 7708, avg=2239.73, stdev=2828.41 clat (msec): min= 2, max= 501, avg=83.72, stdev=77.54 bw (KiB/s) : min= 75, max=16586, per=40.08%, avg=4590.17, stdev=3440.72 write: io=38,736KiB, bw=1,990KiB/s, runt= 19932msec slat (msec): min= 0, max= 4, avg= 0.06, stdev= 0.33 clat (msec): min= 0, max= 684, avg=96.31, stdev=87.57 bw (KiB/s) : min= 0, max= 8396, per=60.48%, avg=2723.20, stdev=2289.94 cpu : usr=3.07%, sys=0.31%, ctx=1800 IO depths : 1=0.1%, 2=0.2%, 4=14.9%, 8=84.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=0.6%, 10=4.4%, 20=13.2%, 50=23.7%, 100=22.7% lat (msec): 250=29.4%, 500=4.8%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28014 read : io=100MiB, bw=3,858KiB/s, runt= 27179msec slat (msec): min= 0, max= 5723, avg=1046.84, stdev=1717.62 clat (msec): min= 1, max= 650, avg=88.06, stdev=80.41 bw (KiB/s) : min= 3, max=10191, per=38.77%, avg=4440.24, stdev=2725.66 write: io=33,280KiB, bw=1,594KiB/s, runt= 21367msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.21 clat (msec): min= 0, max= 1052, avg=129.04, stdev=132.41 bw (KiB/s) : min= 0, max= 6144, per=52.65%, avg=2370.92, stdev=1936.04 cpu : usr=3.66%, sys=0.22%, ctx=1783 IO depths : 1=0.2%, 2=0.3%, 4=12.4%, 8=87.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.5%, 10=3.0%, 20=9.8%, 50=24.7%, 100=23.9% lat (msec): 250=30.5%, 500=5.9%, 750=0.7%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,452KiB/s, minb=3,817KiB/s, maxb=3,910KiB/s, mint=26811msec, maxt=27468msec WRITE: io=95,984KiB, aggrb=4,503KiB/s, minb=1,124KiB/s, maxb=1,990KiB/s, mint=26811msec, maxt=27468msec Disk stats (read/write): sda: ios=4967/1809, merge=1474/320, ticks=459864/223184, in_queue=683040, util=99.49% 2.66user 0.20system 0:27.70elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2401minor)pagefaults 0swaps