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] [ 19593/ 200 kb/s] [eta 00m:25s] Threads: 3: [mmm] [15.4% done] [ 12740/ 8251 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 11047/ 5809 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 6045/ 9007 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 11323/ 5195 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 11032/ 4976 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 5400/ 9212 kb/s] [eta 00m:17s] Threads: 3: [mmm] [37.0% done] [ 8800/ 6104 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 12596/ 1444 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 9904/ 4988 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 8252/ 5000 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 11008/ 3412 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 7280/ 4896 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 8692/ 1896 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 6896/ 3444 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 7308/ 3304 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 7548/ 2720 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 6276/ 3244 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 5584/ 3488 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 8420/ 3092 kb/s] [eta 00m:10s] Threads: 3: [VVV] [74.2% done] [ 18892/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [77.4% done] [ 16872/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 17976/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [86.7% done] [ 16968/ 0 kb/s] [eta 00m:04s] Threads: 1: [__V] [93.1% done] [ 17140/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=14514 read : io=100MiB, bw=4,041KiB/s, runt= 25948msec slat (msec): min= 0, max= 4489, avg=564.84, stdev=1105.49 clat (msec): min= 2, max= 796, avg=99.88, stdev=88.17 bw (KiB/s) : min= 87, max=10695, per=36.76%, avg=4181.58, stdev=2601.02 write: io=19,504KiB, bw=917KiB/s, runt= 21772msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.29 clat (msec): min= 0, max= 774, avg=90.23, stdev=86.00 bw (KiB/s) : min= 0, max= 6745, per=42.90%, avg=1906.26, stdev=1915.48 cpu : usr=3.27%, sys=0.25%, ctx=1759 IO depths : 1=0.1%, 2=0.2%, 4=11.2%, 8=88.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.4%, 10=2.8%, 20=11.9%, 50=20.5%, 100=25.8% lat (msec): 250=31.4%, 500=6.3%, 750=0.2%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14515 read : io=100MiB, bw=3,837KiB/s, runt= 27328msec slat (msec): min= 0, max= 6488, avg=1458.32, stdev=2159.62 clat (msec): min= 2, max= 546, avg=82.19, stdev=73.28 bw (KiB/s) : min= 11, max=10301, per=38.61%, avg=4391.88, stdev=2864.50 write: io=38,940KiB, bw=1,908KiB/s, runt= 20896msec slat (msec): min= 0, max= 4, avg= 0.06, stdev= 0.32 clat (msec): min= 1, max= 754, avg=110.39, stdev=101.64 bw (KiB/s) : min= 0, max= 5602, per=62.63%, avg=2783.15, stdev=2086.08 cpu : usr=3.34%, sys=0.20%, ctx=1859 IO depths : 1=0.1%, 2=0.3%, 4=13.8%, 8=85.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.4%, 10=2.7%, 20=13.0%, 50=23.6%, 100=26.2% lat (msec): 250=28.7%, 500=4.6%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14516 read : io=100MiB, bw=3,792KiB/s, runt= 27650msec slat (msec): min= 0, max= 5704, avg=1281.86, stdev=1953.46 clat (msec): min= 0, max= 560, avg=91.24, stdev=77.26 bw (KiB/s) : min= 63, max=10200, per=35.18%, avg=4002.00, stdev=2690.15 write: io=37,072KiB, bw=1,724KiB/s, runt= 22009msec slat (msec): min= 0, max= 4, avg= 0.08, stdev= 0.37 clat (msec): min= 0, max= 1017, avg=105.26, stdev=115.83 bw (KiB/s) : min= 0, max= 6322, per=51.86%, avg=2304.44, stdev=2116.78 cpu : usr=3.59%, sys=0.17%, ctx=1862 IO depths : 1=0.1%, 2=0.3%, 4=14.0%, 8=85.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.6%, 10=2.9%, 20=9.8%, 50=21.8%, 100=27.2% lat (msec): 250=31.4%, 500=4.7%, 750=0.3%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,376KiB/s, minb=3,792KiB/s, maxb=4,041KiB/s, mint=25948msec, maxt=27650msec WRITE: io=95,516KiB, aggrb=4,444KiB/s, minb=917KiB/s, maxb=1,908KiB/s, mint=25948msec, maxt=27650msec Disk stats (read/write): sda: ios=5060/1716, merge=1259/311, ticks=466432/228152, in_queue=694584, util=99.07% 2.80user 0.27system 0:28.03elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2397minor)pagefaults 0swaps