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] [ 14860/ 4900 kb/s] [eta 00m:25s] Threads: 3: [mmm] [14.8% done] [ 4572/ 14684 kb/s] [eta 00m:23s] Threads: 3: [mmm] [19.2% done] [ 15312/ 2952 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 12544/ 4304 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 9368/ 6640 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 9677/ 4011 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 11392/ 4976 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 7624/ 7512 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.9% done] [ 12024/ 3568 kb/s] [eta 00m:18s] Threads: 3: [mmm] [41.4% done] [ 6196/ 8104 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 5824/ 7132 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.7% done] [ 10164/ 2628 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 5704/ 4916 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.6% done] [ 11016/ 536 kb/s] [eta 00m:15s] Threads: 3: [mmm] [54.8% done] [ 7100/ 3324 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.2% done] [ 7088/ 3336 kb/s] [eta 00m:14s] Threads: 3: [mmm] [59.4% done] [ 4716/ 5700 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.6% done] [ 5372/ 4108 kb/s] [eta 00m:13s] Threads: 3: [mmm] [65.6% done] [ 6384/ 3452 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 13620/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 18217/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 20348/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19328/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [86.7% done] [ 16468/ 0 kb/s] [eta 00m:04s] Threads: 1: [__V] [93.1% done] [ 18116/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=1277 read : io=100MiB, bw=4,102KiB/s, runt= 25561msec slat (msec): min= 0, max= 3759, avg=551.55, stdev=1069.83 clat (msec): min= 2, max= 847, avg=87.62, stdev=97.61 bw (KiB/s) : min= 39, max=11846, per=38.64%, avg=4383.48, stdev=2817.11 write: io=26,780KiB, bw=1,258KiB/s, runt= 21793msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.25 clat (msec): min= 0, max= 893, avg=126.51, stdev=126.00 bw (KiB/s) : min= 0, max= 5458, per=40.07%, avg=1994.68, stdev=1685.19 cpu : usr=3.46%, sys=0.30%, ctx=1789 IO depths : 1=0.1%, 2=0.2%, 4=11.0%, 8=88.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.5%, 10=4.2%, 20=15.4%, 50=25.4%, 100=18.7% lat (msec): 250=27.5%, 500=7.3%, 750=0.2%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1278 read : io=100MiB, bw=3,835KiB/s, runt= 27342msec slat (msec): min= 0, max= 6931, avg=1924.21, stdev=2562.91 clat (msec): min= 2, max= 651, avg=83.13, stdev=80.46 bw (KiB/s) : min= 52, max=12866, per=38.24%, avg=4337.98, stdev=3166.48 write: io=39,780KiB, bw=1,981KiB/s, runt= 20557msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.32 clat (msec): min= 0, max= 734, avg=101.82, stdev=104.82 bw (KiB/s) : min= 0, max= 7523, per=52.29%, avg=2603.21, stdev=2200.22 cpu : usr=3.47%, sys=0.19%, ctx=1822 IO depths : 1=0.1%, 2=0.2%, 4=15.7%, 8=84.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.8%, 10=4.4%, 20=14.1%, 50=22.1%, 100=25.8% lat (msec): 250=25.4%, 500=6.1%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1279 read : io=100MiB, bw=3,781KiB/s, runt= 27731msec slat (msec): min= 0, max= 6946, avg=1754.59, stdev=2471.71 clat (msec): min= 0, max= 558, avg=88.96, stdev=80.90 bw (KiB/s) : min= 20, max=16204, per=38.29%, avg=4342.86, stdev=3159.26 write: io=39,404KiB, bw=1,933KiB/s, runt= 20874msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.28 clat (msec): min= 0, max= 795, avg=109.13, stdev=108.73 bw (KiB/s) : min= 0, max= 7962, per=55.89%, avg=2782.12, stdev=2205.54 cpu : usr=3.29%, sys=0.16%, ctx=1780 IO depths : 1=0.1%, 2=0.3%, 4=14.4%, 8=85.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.4%, 4=0.6%, 10=3.8%, 20=11.0%, 50=22.0%, 100=26.0% lat (msec): 250=27.9%, 500=6.8%, 750=0.2%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,343KiB/s, minb=3,781KiB/s, maxb=4,102KiB/s, mint=25561msec, maxt=27731msec WRITE: io=103MiB, aggrb=4,978KiB/s, minb=1,258KiB/s, maxb=1,981KiB/s, mint=25561msec, maxt=27731msec Disk stats (read/write): sda: ios=4937/1863, merge=1501/424, ticks=442072/260828, in_queue=702896, util=99.48% 2.78user 0.24system 0:28.00elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2392minor)pagefaults 0swaps