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] [ 12896/ 7564 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.7% done] [ 13228/ 6998 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.0% done] [ 12496/ 5608 kb/s] [eta 00m:20s] Threads: 3: [mmm] [24.0% done] [ 15028/ 3444 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 10175/ 3818 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 11702/ 4551 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 12661/ 2653 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 7273/ 8573 kb/s] [eta 00m:17s] Threads: 3: [mmm] [39.3% done] [ 14754/ 658 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 10544/ 4173 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 9350/ 4603 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 12040/ 788 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 11418/ 2173 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 7948/ 3746 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 6379/ 3584 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 3761/ 6283 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 5432/ 4764 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 3700/ 4816 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 6856/ 2892 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 7628/ 3780 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19320/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 18468/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [80.6% done] [ 19004/ 0 kb/s] [eta 00m:06s] Threads: 2: [V_V] [86.7% done] [ 18928/ 0 kb/s] [eta 00m:04s] Threads: 1: [__V] [96.4% done] [ 17044/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=24043 read : io=100MiB, bw=3,880KiB/s, runt= 27023msec slat (msec): min= 0, max= 5752, avg=1343.77, stdev=1939.97 clat (msec): min= 2, max= 756, avg=95.56, stdev=91.31 bw (KiB/s) : min= 47, max= 9409, per=38.07%, avg=4358.84, stdev=2817.12 write: io=31,040KiB, bw=1,468KiB/s, runt= 21651msec slat (msec): min= 0, max= 15, avg= 0.16, stdev= 1.13 clat (msec): min= 0, max= 839, avg=102.37, stdev=112.62 bw (KiB/s) : min= 0, max= 7481, per=46.72%, avg=2270.78, stdev=1992.26 cpu : usr=3.23%, sys=0.33%, ctx=1779 IO depths : 1=0.2%, 2=0.3%, 4=13.2%, 8=86.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.7%, 10=4.7%, 20=12.2%, 50=23.0%, 100=20.3% lat (msec): 250=30.8%, 500=6.9%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24044 read : io=100MiB, bw=4,167KiB/s, runt= 25162msec slat (msec): min= 0, max= 4830, avg=779.74, stdev=1378.48 clat (msec): min= 3, max= 643, avg=92.82, stdev=78.58 bw (KiB/s) : min= 38, max=14678, per=37.63%, avg=4309.42, stdev=2955.73 write: io=23,856KiB, bw=1,154KiB/s, runt= 21152msec slat (msec): min= 0, max= 12, avg= 0.17, stdev= 1.14 clat (msec): min= 0, max= 856, avg=97.85, stdev=108.95 bw (KiB/s) : min= 0, max= 6599, per=43.09%, avg=2094.05, stdev=2124.89 cpu : usr=3.47%, sys=0.40%, ctx=1758 IO depths : 1=0.1%, 2=0.2%, 4=10.4%, 8=89.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.4%, 10=3.7%, 20=8.7%, 50=22.6%, 100=27.5% lat (msec): 250=30.8%, 500=4.8%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24045 read : io=100MiB, bw=3,817KiB/s, runt= 27470msec slat (msec): min= 0, max= 5903, avg=1683.86, stdev=2155.92 clat (msec): min= 0, max= 516, avg=81.34, stdev=76.05 bw (KiB/s) : min= 90, max=14437, per=36.45%, avg=4173.77, stdev=3436.52 write: io=47,920KiB, bw=2,265KiB/s, runt= 21663msec slat (msec): min= 0, max= 8, avg= 0.13, stdev= 0.73 clat (msec): min= 0, max= 860, avg=107.41, stdev=114.18 bw (KiB/s) : min= 0, max= 8946, per=55.50%, avg=2697.34, stdev=2315.67 cpu : usr=3.79%, sys=0.32%, ctx=1905 IO depths : 1=0.2%, 2=0.4%, 4=14.1%, 8=85.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=0.7%, 10=4.7%, 20=12.5%, 50=23.6%, 100=23.9% lat (msec): 250=27.8%, 500=5.2%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,451KiB/s, minb=3,817KiB/s, maxb=4,167KiB/s, mint=25162msec, maxt=27470msec WRITE: io=100MiB, aggrb=4,860KiB/s, minb=1,154KiB/s, maxb=2,265KiB/s, mint=25162msec, maxt=27470msec Disk stats (read/write): sda: ios=4949/1896, merge=1519/391, ticks=465768/214496, in_queue=680260, util=99.38% 2.84user 0.28system 0:27.76elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2411minor)pagefaults 0swaps