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] [ 12296/ 6948 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.0% done] [ 11168/ 8792 kb/s] [eta 00m:21s] Threads: 3: [mmm] [19.2% done] [ 13136/ 4608 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 14508/ 3196 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 10340/ 5696 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 10064/ 5224 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 9444/ 5040 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 10416/ 5300 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 8500/ 5600 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 9423/ 5128 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 11275/ 2327 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 8826/ 3028 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 8794/ 3773 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 11728/ 55 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 9645/ 1016 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 5990/ 4273 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 6435/ 4241 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 5246/ 3647 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 5234/ 3820 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 10870/ 484 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19050/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 17179/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.1% done] [ 18345/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.2% done] [ 15080/ 0 kb/s] [eta 00m:06s] fio: (groupid=0): err= 0: pid=28656 read : io=100MiB, bw=3,892KiB/s, runt= 26937msec slat (msec): min= 0, max= 4996, avg=765.38, stdev=1403.31 clat (msec): min= 3, max= 573, avg=96.44, stdev=84.42 bw (KiB/s) : min= 72, max= 9660, per=35.69%, avg=4097.16, stdev=2739.99 write: io=22,476KiB, bw=1,048KiB/s, runt= 21960msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.27 clat (msec): min= 0, max= 1013, avg=118.91, stdev=157.99 bw (KiB/s) : min= 0, max= 5241, per=39.61%, avg=1646.09, stdev=1697.06 cpu : usr=3.27%, sys=0.21%, ctx=1765 IO depths : 1=0.1%, 2=0.2%, 4=10.9%, 8=88.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.3%, 10=4.5%, 20=13.3%, 50=21.6%, 100=20.6% lat (msec): 250=32.4%, 500=5.9%, 750=0.5%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28657 read : io=100MiB, bw=3,834KiB/s, runt= 27345msec slat (msec): min= 0, max= 6956, avg=1381.33, stdev=2269.87 clat (msec): min= 2, max= 627, avg=91.07, stdev=77.02 bw (KiB/s) : min= 12, max= 8626, per=36.06%, avg=4139.58, stdev=2449.18 write: io=32,596KiB, bw=1,637KiB/s, runt= 20386msec slat (msec): min= 0, max= 12, avg= 0.20, stdev= 0.92 clat (msec): min= 0, max= 818, avg=107.60, stdev=119.77 bw (KiB/s) : min= 0, max= 5885, per=62.76%, avg=2608.33, stdev=2173.65 cpu : usr=3.35%, sys=0.28%, ctx=1768 IO depths : 1=0.1%, 2=0.2%, 4=12.5%, 8=87.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=1.4%, 10=2.5%, 20=9.1%, 50=23.6%, 100=25.5% lat (msec): 250=31.2%, 500=4.8%, 750=0.6%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28658 read : io=100MiB, bw=3,827KiB/s, runt= 27399msec slat (msec): min= 0, max= 5863, avg=1024.99, stdev=1751.12 clat (msec): min= 1, max= 584, avg=95.56, stdev=81.34 bw (KiB/s) : min= 20, max= 9009, per=38.35%, avg=4403.05, stdev=2147.39 write: io=34,096KiB, bw=1,589KiB/s, runt= 21969msec slat (msec): min= 0, max= 4, avg= 0.07, stdev= 0.36 clat (msec): min= 0, max= 914, avg=114.49, stdev=130.59 bw (KiB/s) : min= 0, max= 7405, per=71.77%, avg=2982.90, stdev=2398.57 cpu : usr=3.65%, sys=0.32%, ctx=1810 IO depths : 1=0.1%, 2=0.2%, 4=11.2%, 8=88.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.4%, 10=2.4%, 20=9.2%, 50=24.3%, 100=25.8% lat (msec): 250=30.2%, 500=6.4%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,481KiB/s, minb=3,827KiB/s, maxb=3,892KiB/s, mint=26937msec, maxt=27399msec WRITE: io=89,168KiB, aggrb=4,156KiB/s, minb=1,048KiB/s, maxb=1,637KiB/s, mint=26937msec, maxt=27399msec Disk stats (read/write): sda: ios=5037/1633, merge=1391/321, ticks=514812/208076, in_queue=722884, util=99.49% 2.85user 0.22system 0:27.64elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2404minor)pagefaults 0swaps