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] [13.0% done] [ 6556/ 14352 kb/s] [eta 00m:20s] Threads: 3: [mmm] [17.4% done] [ 10080/ 10072 kb/s] [eta 00m:19s] Threads: 3: [mmm] [20.8% done] [ 9332/ 8724 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.0% done] [ 8664/ 7496 kb/s] [eta 00m:18s] Threads: 3: [mmm] [29.2% done] [ 9780/ 6496 kb/s] [eta 00m:17s] Threads: 3: [mmm] [30.8% done] [ 12468/ 4007 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 5776/ 9924 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 13888/ 1952 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 7108/ 8404 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 9228/ 4436 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.1% done] [ 9588/ 3716 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 8608/ 4016 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 3800/ 8264 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 9700/ 2008 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 10128/ 1440 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 12012/ 0 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.3% done] [ 5056/ 4516 kb/s] [eta 00m:11s] Threads: 3: [mmm] [64.5% done] [ 5936/ 2816 kb/s] [eta 00m:11s] Threads: 3: [VVV] [67.7% done] [ 10616/ 548 kb/s] [eta 00m:10s] Threads: 3: [VVV] [73.3% done] [ 20516/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [76.7% done] [ 16564/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.0% done] [ 20384/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [86.2% done] [ 21184/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [89.7% done] [ 17988/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=20315 read : io=100MiB, bw=3,917KiB/s, runt= 26769msec slat (msec): min= 0, max= 5777, avg=890.81, stdev=1672.80 clat (msec): min= 0, max= 522, avg=91.97, stdev=83.39 bw (KiB/s) : min= 81, max=13181, per=36.82%, avg=4261.41, stdev=2744.15 write: io=36,820KiB, bw=1,791KiB/s, runt= 21049msec slat (msec): min= 0, max= 6, avg= 0.12, stdev= 0.58 clat (msec): min= 0, max= 985, avg=131.49, stdev=175.35 bw (KiB/s) : min= 0, max=10401, per=49.38%, avg=2710.29, stdev=2645.15 cpu : usr=3.44%, sys=0.33%, ctx=1786 IO depths : 1=0.2%, 2=0.3%, 4=10.0%, 8=89.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.8%, 4=0.4%, 10=3.4%, 20=11.7%, 50=22.4%, 100=23.1% lat (msec): 250=29.0%, 500=6.7%, 750=0.3%, 1000=0.9%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20316 read : io=100MiB, bw=3,858KiB/s, runt= 27179msec slat (msec): min= 0, max= 7946, avg=2146.13, stdev=2883.93 clat (msec): min= 0, max= 839, avg=89.54, stdev=89.06 bw (KiB/s) : min= 48, max=13898, per=39.85%, avg=4612.38, stdev=3090.45 write: io=41,360KiB, bw=2,149KiB/s, runt= 19704msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.23 clat (msec): min= 0, max= 832, avg=100.08, stdev=106.94 bw (KiB/s) : min= 0, max= 7459, per=58.56%, avg=3214.59, stdev=2204.15 cpu : usr=4.06%, sys=0.25%, ctx=1752 IO depths : 1=0.2%, 2=0.3%, 4=13.8%, 8=85.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.7%, 10=4.4%, 20=10.8%, 50=24.1%, 100=25.8% lat (msec): 250=25.4%, 500=6.7%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20317 read : io=100MiB, bw=3,944KiB/s, runt= 26582msec slat (msec): min= 0, max= 5846, avg=1035.58, stdev=1742.65 clat (msec): min= 1, max= 839, avg=92.82, stdev=87.07 bw (KiB/s) : min= 82, max= 8556, per=38.16%, avg=4416.39, stdev=2236.60 write: io=34,652KiB, bw=1,704KiB/s, runt= 20815msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.25 clat (msec): min= 0, max= 960, avg=109.19, stdev=126.23 bw (KiB/s) : min= 0, max= 5990, per=52.34%, avg=2873.14, stdev=2213.79 cpu : usr=3.33%, sys=0.24%, ctx=1778 IO depths : 1=0.1%, 2=0.2%, 4=12.5%, 8=87.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.4%, 10=3.4%, 20=9.2%, 50=24.6%, 100=26.5% lat (msec): 250=27.9%, 500=6.5%, 750=0.4%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,574KiB/s, minb=3,858KiB/s, maxb=3,944KiB/s, mint=26582msec, maxt=27179msec WRITE: io=110MiB, aggrb=5,489KiB/s, minb=1,704KiB/s, maxb=2,149KiB/s, mint=26582msec, maxt=27179msec Disk stats (read/write): sda: ios=4888/1862, merge=1519/490, ticks=453592/223908, in_queue=677500, util=99.40% 2.96user 0.35system 0:27.42elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2398minor)pagefaults 0swaps