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] [11.1% done] [ 9794/ 9873 kb/s] [eta 00m:24s] Threads: 3: [mmm] [16.0% done] [ 19353/ 1457 kb/s] [eta 00m:21s] Threads: 3: [mmm] [21.7% done] [ 12141/ 6934 kb/s] [eta 00m:18s] Threads: 3: [mmm] [25.0% done] [ 11579/ 7073 kb/s] [eta 00m:18s] Threads: 3: [mmm] [28.0% done] [ 12161/ 2225 kb/s] [eta 00m:18s] Threads: 3: [mmm] [32.0% done] [ 10452/ 5175 kb/s] [eta 00m:17s] Threads: 3: [mmm] [34.6% done] [ 14599/ 1677 kb/s] [eta 00m:17s] Threads: 3: [mmm] [37.0% done] [ 12181/ 4566 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.3% done] [ 11677/ 2603 kb/s] [eta 00m:15s] Threads: 3: [mmm] [44.4% done] [ 8037/ 6349 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.1% done] [ 3639/ 9901 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 4997/ 8219 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 10354/ 1193 kb/s] [eta 00m:13s] Threads: 3: [mmm] [57.1% done] [ 9905/ 1910 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.7% done] [ 6033/ 3816 kb/s] [eta 00m:11s] Threads: 3: [mmm] [62.1% done] [ 4388/ 4594 kb/s] [eta 00m:11s] Threads: 3: [mmm] [63.3% done] [ 7900/ 1358 kb/s] [eta 00m:11s] Threads: 3: [mmm] [64.5% done] [ 4371/ 2575 kb/s] [eta 00m:11s] Threads: 3: [mmm] [67.7% done] [ 2823/ 5037 kb/s] [eta 00m:10s] Threads: 3: [VVV] [68.8% done] [ 12425/ 634 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 16423/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 13776/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.6% done] [ 16415/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [84.4% done] [ 15769/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.5% done] [ 13816/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=5126 read : io=100MiB, bw=3,645KiB/s, runt= 28764msec slat (msec): min= 0, max= 6804, avg=1398.18, stdev=2191.73 clat (msec): min= 0, max= 663, avg=95.68, stdev=112.51 bw (KiB/s) : min= 65, max=10797, per=38.81%, avg=4236.98, stdev=2823.94 write: io=38,976KiB, bw=1,827KiB/s, runt= 21841msec slat (msec): min= 0, max= 53, avg= 0.23, stdev= 2.76 clat (msec): min= 0, max= 1071, avg=117.05, stdev=184.78 bw (KiB/s) : min= 0, max= 7850, per=54.65%, avg=2653.29, stdev=2395.91 cpu : usr=3.03%, sys=0.21%, ctx=1709 IO depths : 1=0.2%, 2=1.0%, 4=15.4%, 8=83.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.8%, 4=1.0%, 10=7.7%, 20=17.5%, 50=33.2%, 100=7.2% lat (msec): 250=13.3%, 500=15.3%, 750=1.3%, 1000=0.5%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5127 read : io=100MiB, bw=3,816KiB/s, runt= 27475msec slat (msec): min= 0, max= 6125, avg=1019.75, stdev=1764.73 clat (msec): min= 2, max= 796, avg=100.61, stdev=117.40 bw (KiB/s) : min= 60, max= 9242, per=39.09%, avg=4268.39, stdev=2542.66 write: io=27,636KiB, bw=1,311KiB/s, runt= 21584msec slat (msec): min= 0, max= 4, avg= 0.04, stdev= 0.27 clat (msec): min= 0, max= 954, avg=93.07, stdev=137.62 bw (KiB/s) : min= 0, max= 6730, per=55.57%, avg=2697.69, stdev=2413.43 cpu : usr=3.14%, sys=0.22%, ctx=1740 IO depths : 1=0.1%, 2=0.4%, 4=13.5%, 8=85.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=1.0%, 10=5.3%, 20=18.8%, 50=33.1%, 100=9.3% lat (msec): 250=15.0%, 500=14.6%, 750=1.0%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5128 read : io=100MiB, bw=3,639KiB/s, runt= 28811msec slat (msec): min= 0, max= 7125, avg=1763.57, stdev=2537.81 clat (msec): min= 0, max= 652, avg=95.45, stdev=110.53 bw (KiB/s) : min= 11, max=11262, per=38.52%, avg=4205.76, stdev=2670.26 write: io=36,956KiB, bw=1,745KiB/s, runt= 21675msec slat (msec): min= 0, max= 152, avg= 0.37, stdev= 6.08 clat (msec): min= 0, max= 1054, avg=108.69, stdev=153.24 bw (KiB/s) : min= 0, max= 7105, per=47.98%, avg=2329.19, stdev=2211.23 cpu : usr=3.18%, sys=0.35%, ctx=1749 IO depths : 1=0.2%, 2=0.8%, 4=16.8%, 8=82.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.5%, 4=0.7%, 10=6.7%, 20=18.5%, 50=31.6%, 100=7.5% lat (msec): 250=17.2%, 500=14.1%, 750=0.8%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,918KiB/s, minb=3,639KiB/s, maxb=3,816KiB/s, mint=27475msec, maxt=28811msec WRITE: io=101MiB, aggrb=4,855KiB/s, minb=1,311KiB/s, maxb=1,827KiB/s, mint=27475msec, maxt=28811msec Disk stats (read/write): sda: ios=4729/1919, merge=1884/410, ticks=486688/225428, in_queue=712116, util=99.08% 2.68user 0.28system 0:29.32elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2395minor)pagefaults 0swaps