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] [12.5% done] [ 11132/ 7764 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.7% done] [ 16244/ 2188 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.0% done] [ 10300/ 8048 kb/s] [eta 00m:20s] Threads: 3: [mmm] [23.1% done] [ 9356/ 9712 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 12156/ 2880 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 8524/ 3860 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 10516/ 6232 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 14208/ 1804 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 11008/ 3280 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 1364/ 13284 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 4420/ 9160 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 12044/ 1696 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 9244/ 2448 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 8060/ 3628 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 8684/ 1980 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 11548/ 0 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 10736/ 56 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 4972/ 4012 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 5712/ 2656 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 13072/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [74.2% done] [ 18484/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [77.4% done] [ 20440/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19248/ 0 kb/s] [eta 00m:06s] Threads: 2: [V_V] [89.7% done] [ 19024/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=1085 read : io=100MiB, bw=3,860KiB/s, runt= 27162msec slat (msec): min= 0, max= 5481, avg=961.98, stdev=1677.99 clat (msec): min= 1, max= 632, avg=86.27, stdev=75.98 bw (KiB/s) : min= 24, max=13218, per=36.87%, avg=4270.05, stdev=3035.79 write: io=39,816KiB, bw=1,878KiB/s, runt= 21710msec slat (msec): min= 0, max= 2, avg= 0.08, stdev= 0.33 clat (msec): min= 0, max= 923, avg=141.78, stdev=157.22 bw (KiB/s) : min= 0, max= 9913, per=56.75%, avg=2690.41, stdev=2408.25 cpu : usr=3.23%, sys=0.18%, ctx=1753 IO depths : 1=0.1%, 2=0.2%, 4=12.7%, 8=86.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.4%, 10=4.1%, 20=11.3%, 50=22.8%, 100=22.8% lat (msec): 250=29.9%, 500=6.3%, 750=0.7%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1086 read : io=100MiB, bw=4,024KiB/s, runt= 26055msec slat (msec): min= 0, max= 5608, avg=896.84, stdev=1675.87 clat (msec): min= 1, max= 705, avg=93.86, stdev=74.87 bw (KiB/s) : min= 92, max= 8322, per=38.47%, avg=4455.17, stdev=2284.88 write: io=24,148KiB, bw=1,212KiB/s, runt= 20389msec slat (msec): min= 0, max= 10, avg= 0.24, stdev= 1.15 clat (msec): min= 0, max= 844, avg=97.15, stdev=115.75 bw (KiB/s) : min= 0, max= 6410, per=55.47%, avg=2629.93, stdev=2340.25 cpu : usr=3.04%, sys=0.21%, ctx=1770 IO depths : 1=0.1%, 2=0.3%, 4=10.6%, 8=89.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.0%, 4=0.7%, 10=2.4%, 20=9.4%, 50=22.6%, 100=26.5% lat (msec): 250=32.4%, 500=4.4%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1087 read : io=100MiB, bw=3,874KiB/s, runt= 27062msec slat (msec): min= 0, max= 6185, avg=1287.94, stdev=2031.71 clat (msec): min= 2, max= 700, avg=88.33, stdev=79.35 bw (KiB/s) : min= 22, max=11074, per=34.91%, avg=4042.95, stdev=2691.97 write: io=36,568KiB, bw=1,781KiB/s, runt= 21024msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.28 clat (msec): min= 0, max= 836, avg=112.75, stdev=105.07 bw (KiB/s) : min= 0, max= 7237, per=52.22%, avg=2475.88, stdev=2214.13 cpu : usr=3.37%, sys=0.24%, ctx=1814 IO depths : 1=0.1%, 2=0.2%, 4=13.2%, 8=86.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.3%, 10=3.0%, 20=9.5%, 50=23.2%, 100=28.8% lat (msec): 250=29.5%, 500=4.7%, 750=0.5%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,581KiB/s, minb=3,860KiB/s, maxb=4,024KiB/s, mint=26055msec, maxt=27162msec WRITE: io=98MiB, aggrb=4,741KiB/s, minb=1,212KiB/s, maxb=1,878KiB/s, mint=26055msec, maxt=27162msec Disk stats (read/write): sda: ios=4988/1636, merge=1364/306, ticks=476952/230628, in_queue=707652, util=99.47% 2.64user 0.20system 0:27.41elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2385minor)pagefaults 0swaps