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] [11.5% done] [ 11864/ 8008 kb/s] [eta 00m:23s] Threads: 3: [mmm] [15.4% done] [ 16140/ 3728 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 12263/ 4868 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 11620/ 5652 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 11824/ 3940 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 11660/ 4396 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 11692/ 3900 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 7296/ 7800 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 10940/ 5192 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 5928/ 8280 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 6644/ 5968 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.7% done] [ 9720/ 3132 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 10788/ 2324 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.6% done] [ 4564/ 6248 kb/s] [eta 00m:15s] Threads: 3: [mmm] [54.8% done] [ 7376/ 2716 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.2% done] [ 10256/ 1320 kb/s] [eta 00m:14s] Threads: 3: [mmm] [59.4% done] [ 2156/ 7556 kb/s] [eta 00m:13s] Threads: 3: [mmm] [62.5% done] [ 4163/ 5410 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 7813/ 1752 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 10377/ 3371 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19534/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 18782/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 20661/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 17364/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.1% done] [ 16915/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=2175 read : io=100MiB, bw=3,713KiB/s, runt= 28240msec slat (msec): min= 0, max= 6365, avg=1255.10, stdev=1970.04 clat (msec): min= 0, max= 561, avg=95.38, stdev=92.96 bw (KiB/s) : min= 17, max= 8707, per=36.92%, avg=4111.13, stdev=2320.49 write: io=34,820KiB, bw=1,633KiB/s, runt= 21829msec slat (msec): min= 0, max= 5, avg= 0.08, stdev= 0.41 clat (msec): min= 0, max= 992, avg=90.59, stdev=134.98 bw (KiB/s) : min= 0, max= 8593, per=47.22%, avg=2520.30, stdev=2508.35 cpu : usr=3.41%, sys=0.24%, ctx=1851 IO depths : 1=0.1%, 2=0.2%, 4=15.0%, 8=84.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.6%, 4=0.8%, 10=6.3%, 20=13.5%, 50=23.7%, 100=20.6% lat (msec): 250=26.0%, 500=6.6%, 750=0.4%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2176 read : io=100MiB, bw=3,844KiB/s, runt= 27278msec slat (msec): min= 0, max= 7482, avg=2061.00, stdev=2666.37 clat (msec): min= 1, max= 499, avg=83.32, stdev=78.76 bw (KiB/s) : min= 40, max=11513, per=40.58%, avg=4518.66, stdev=3125.78 write: io=42,784KiB, bw=2,206KiB/s, runt= 19859msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.32 clat (msec): min= 0, max= 1042, avg=109.34, stdev=109.23 bw (KiB/s) : min= 0, max= 6696, per=52.49%, avg=2801.46, stdev=2294.94 cpu : usr=3.36%, sys=0.28%, ctx=1718 IO depths : 1=0.2%, 2=0.3%, 4=16.1%, 8=83.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.4%, 10=3.2%, 20=11.7%, 50=24.3%, 100=27.1% lat (msec): 250=25.5%, 500=6.6%, 750=0.1%, 1000=0.0%, >=2000=0.1% fio: (groupid=0): err= 0: pid=2177 read : io=100MiB, bw=3,711KiB/s, runt= 28251msec slat (msec): min= 0, max= 7001, avg=1531.09, stdev=2308.08 clat (msec): min= 0, max= 481, avg=94.62, stdev=88.39 bw (KiB/s) : min= 27, max=11588, per=35.02%, avg=3898.74, stdev=2501.26 write: io=36,188KiB, bw=1,731KiB/s, runt= 21400msec slat (msec): min= 0, max= 5, avg= 0.12, stdev= 0.57 clat (msec): min= 0, max= 1019, avg=110.01, stdev=119.56 bw (KiB/s) : min= 0, max= 8232, per=43.91%, avg=2343.24, stdev=2137.96 cpu : usr=3.07%, sys=0.14%, ctx=1796 IO depths : 1=0.1%, 2=0.5%, 4=13.6%, 8=85.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.5%, 10=3.3%, 20=10.8%, 50=22.3%, 100=26.5% lat (msec): 250=28.5%, 500=7.0%, 750=0.3%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,134KiB/s, minb=3,711KiB/s, maxb=3,844KiB/s, mint=27278msec, maxt=28251msec WRITE: io=111MiB, aggrb=5,337KiB/s, minb=1,633KiB/s, maxb=2,206KiB/s, mint=27278msec, maxt=28251msec Disk stats (read/write): sda: ios=4845/2041, merge=1592/436, ticks=459112/306680, in_queue=765792, util=99.36% 2.80user 0.26system 0:28.51elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2396minor)pagefaults 0swaps