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] [ 11023/ 7297 kb/s] [eta 00m:25s] Threads: 3: [mmm] [14.8% done] [ 14976/ 4628 kb/s] [eta 00m:23s] Threads: 3: [mmm] [18.5% done] [ 10476/ 7672 kb/s] [eta 00m:22s] Threads: 3: [mmm] [22.2% done] [ 11701/ 5486 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.9% done] [ 7884/ 6888 kb/s] [eta 00m:20s] Threads: 3: [mmm] [28.6% done] [ 5852/ 8444 kb/s] [eta 00m:20s] Threads: 3: [mmm] [33.3% done] [ 10480/ 6002 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 13465/ 2875 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 10700/ 5277 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 3895/ 10429 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 4993/ 7234 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 9042/ 4509 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 6730/ 6033 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 9538/ 2603 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 3686/ 6734 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 5643/ 4537 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.3% done] [ 6697/ 3732 kb/s] [eta 00m:11s] Threads: 3: [mmm] [62.5% done] [ 5276/ 3548 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 7716/ 1516 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 15508/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [74.2% done] [ 18612/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [77.4% done] [ 19350/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [83.3% done] [ 19600/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [86.7% done] [ 17992/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 18429/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=22727 read : io=100MiB, bw=3,681KiB/s, runt= 28485msec slat (msec): min= 0, max= 6588, avg=1603.33, stdev=2229.45 clat (msec): min= 0, max= 650, avg=87.96, stdev=86.83 bw (KiB/s) : min= 23, max=12660, per=39.37%, avg=4340.58, stdev=3204.24 write: io=48,152KiB, bw=2,252KiB/s, runt= 21891msec slat (msec): min= 0, max= 4, avg= 0.10, stdev= 0.41 clat (msec): min= 0, max= 982, avg=125.04, stdev=133.50 bw (KiB/s) : min= 0, max= 6406, per=50.92%, avg=2893.93, stdev=2020.66 cpu : usr=3.40%, sys=0.27%, ctx=1723 IO depths : 1=0.1%, 2=0.3%, 4=17.2%, 8=82.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.5%, 10=3.7%, 20=12.2%, 50=25.2%, 100=21.4% lat (msec): 250=28.4%, 500=7.2%, 750=0.7%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22728 read : io=100MiB, bw=3,675KiB/s, runt= 28529msec slat (msec): min= 0, max= 8151, avg=1815.26, stdev=2569.93 clat (msec): min= 0, max= 523, avg=86.09, stdev=79.21 bw (KiB/s) : min= 103, max= 9201, per=40.54%, avg=4469.87, stdev=2506.21 write: io=41,700KiB, bw=2,086KiB/s, runt= 20466msec slat (msec): min= 0, max= 10, avg= 0.08, stdev= 0.66 clat (msec): min= 0, max= 727, avg=103.65, stdev=92.55 bw (KiB/s) : min= 0, max= 7159, per=55.08%, avg=3130.26, stdev=2292.77 cpu : usr=3.10%, sys=0.31%, ctx=1878 IO depths : 1=0.2%, 2=0.3%, 4=14.5%, 8=85.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.3%, 10=3.8%, 20=11.3%, 50=24.3%, 100=25.6% lat (msec): 250=28.0%, 500=5.9%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22729 read : io=100MiB, bw=3,763KiB/s, runt= 27859msec slat (msec): min= 0, max= 6165, avg=1200.40, stdev=1837.81 clat (msec): min= 2, max= 435, avg=91.70, stdev=76.27 bw (KiB/s) : min= 74, max= 9484, per=37.69%, avg=4155.72, stdev=2346.51 write: io=31,656KiB, bw=1,505KiB/s, runt= 21533msec slat (msec): min= 0, max= 8, avg= 0.09, stdev= 0.68 clat (msec): min= 0, max= 633, avg=98.71, stdev=96.74 bw (KiB/s) : min= 0, max= 7894, per=44.20%, avg=2511.74, stdev=2097.34 cpu : usr=3.53%, sys=0.11%, ctx=1879 IO depths : 1=0.1%, 2=0.2%, 4=13.9%, 8=85.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=0.9%, 10=3.4%, 20=9.2%, 50=23.5%, 100=25.7% lat (msec): 250=30.6%, 500=5.5%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,026KiB/s, minb=3,675KiB/s, maxb=3,763KiB/s, mint=27859msec, maxt=28529msec WRITE: io=119MiB, aggrb=5,683KiB/s, minb=1,505KiB/s, maxb=2,252KiB/s, mint=27859msec, maxt=28529msec Disk stats (read/write): sda: ios=4859/2121, merge=1489/440, ticks=460868/258708, in_queue=719576, util=99.56% 2.89user 0.22system 0:28.82elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2422minor)pagefaults 0swaps