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] [10.7% done] [ 12480/ 7628 kb/s] [eta 00m:25s] Threads: 3: [mmm] [14.3% done] [ 16730/ 2843 kb/s] [eta 00m:24s] Threads: 3: [mmm] [17.9% done] [ 10098/ 7553 kb/s] [eta 00m:23s] Threads: 3: [mmm] [22.2% done] [ 15386/ 1198 kb/s] [eta 00m:21s] Threads: 3: [mmm] [26.9% done] [ 11535/ 4336 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 6388/ 8065 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 9562/ 6671 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 4741/ 9802 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 10503/ 4844 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 7447/ 6258 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 9145/ 4237 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 7664/ 5840 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 3643/ 7806 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 6864/ 4946 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 8648/ 1792 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 10570/ 606 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 2457/ 7309 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 4001/ 4773 kb/s] [eta 00m:12s] Threads: 3: [mmm] [67.7% done] [ 9554/ 295 kb/s] [eta 00m:10s] Threads: 3: [VVV] [68.8% done] [ 16372/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [74.2% done] [ 18782/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.0% done] [ 20023/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.3% done] [ 17152/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.1% done] [ 19353/ 0 kb/s] [eta 00m:04s] Threads: 2: [V_V] [90.3% done] [ 18747/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=25500 read : io=100MiB, bw=3,706KiB/s, runt= 28288msec slat (msec): min= 0, max= 6526, avg=1192.56, stdev=1973.87 clat (msec): min= 0, max= 663, avg=90.06, stdev=91.95 bw (KiB/s) : min= 42, max= 9150, per=35.00%, avg=3892.21, stdev=2527.43 write: io=37,288KiB, bw=1,754KiB/s, runt= 21765msec slat (msec): min= 0, max= 12, avg= 0.16, stdev= 0.85 clat (msec): min= 0, max= 883, avg=120.43, stdev=139.13 bw (KiB/s) : min= 0, max= 6144, per=45.41%, avg=2533.19, stdev=1891.60 cpu : usr=3.24%, sys=0.34%, ctx=1834 IO depths : 1=0.2%, 2=0.3%, 4=13.7%, 8=85.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.3%, 10=4.8%, 20=14.4%, 50=23.9%, 100=19.8% lat (msec): 250=28.3%, 500=6.5%, 750=0.8%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25501 read : io=100MiB, bw=3,966KiB/s, runt= 26437msec slat (msec): min= 0, max= 6752, avg=1758.35, stdev=2448.62 clat (msec): min= 0, max= 592, avg=84.09, stdev=75.87 bw (KiB/s) : min= 11, max=11473, per=44.58%, avg=4957.41, stdev=2829.60 write: io=34,360KiB, bw=1,767KiB/s, runt= 19909msec slat (msec): min= 0, max= 4, avg= 0.05, stdev= 0.36 clat (msec): min= 0, max= 651, avg=94.98, stdev=93.63 bw (KiB/s) : min= 0, max= 7418, per=55.29%, avg=3084.20, stdev=2447.34 cpu : usr=3.77%, sys=0.17%, ctx=1797 IO depths : 1=0.1%, 2=0.2%, 4=14.3%, 8=85.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.6%, 10=3.5%, 20=12.3%, 50=25.1%, 100=24.0% lat (msec): 250=28.5%, 500=4.5%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25502 read : io=100MiB, bw=3,741KiB/s, runt= 28024msec slat (msec): min= 0, max= 6835, avg=1922.03, stdev=2521.94 clat (msec): min= 0, max= 442, avg=84.69, stdev=83.68 bw (KiB/s) : min= 16, max=14628, per=36.32%, avg=4038.63, stdev=3176.66 write: io=46,928KiB, bw=2,264KiB/s, runt= 21222msec slat (msec): min= 0, max= 8, avg= 0.10, stdev= 0.60 clat (msec): min= 0, max= 998, avg=109.55, stdev=120.59 bw (KiB/s) : min= 0, max=11023, per=54.28%, avg=3027.90, stdev=2767.19 cpu : usr=3.74%, sys=0.19%, ctx=1821 IO depths : 1=0.1%, 2=0.2%, 4=16.7%, 8=83.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.6%, 10=4.3%, 20=12.3%, 50=25.2%, 100=22.4% lat (msec): 250=27.1%, 500=6.2%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,120KiB/s, minb=3,706KiB/s, maxb=3,966KiB/s, mint=26437msec, maxt=28288msec WRITE: io=116MiB, aggrb=5,578KiB/s, minb=1,754KiB/s, maxb=2,264KiB/s, mint=26437msec, maxt=28288msec Disk stats (read/write): sda: ios=4900/2044, merge=1513/453, ticks=443356/296784, in_queue=740148, util=99.53% 3.00user 0.30system 0:28.60elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2398minor)pagefaults 0swaps