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] [ 5512/ 14104 kb/s] [eta 00m:23s] Threads: 3: [mmm] [16.0% done] [ 13284/ 5660 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 13096/ 5376 kb/s] [eta 00m:20s] Threads: 3: [mmm] [24.0% done] [ 7588/ 10236 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 11632/ 4196 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 10408/ 3236 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 9336/ 6584 kb/s] [eta 00m:17s] Threads: 3: [mmm] [37.0% done] [ 12860/ 2640 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 11436/ 3932 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 7664/ 5993 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 9491/ 3725 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 7487/ 5695 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 5978/ 6273 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 6624/ 3556 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 7274/ 4288 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 8065/ 2918 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 4418/ 5312 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 3887/ 4919 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 5588/ 3485 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 11693/ 2965 kb/s] [eta 00m:10s] Threads: 3: [VVV] [74.2% done] [ 18821/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [77.4% done] [ 19507/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19617/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [86.7% done] [ 19168/ 0 kb/s] [eta 00m:04s] Threads: 2: [VV_] [93.1% done] [ 17196/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=5348 read : io=100MiB, bw=3,700KiB/s, runt= 28339msec slat (msec): min= 0, max= 6720, avg=2051.76, stdev=2391.65 clat (msec): min= 0, max= 510, avg=79.26, stdev=80.43 bw (KiB/s) : min= 71, max=19594, per=41.74%, avg=4633.64, stdev=3804.92 write: io=52,064KiB, bw=2,429KiB/s, runt= 21943msec slat (msec): min= 0, max= 17, avg= 0.12, stdev= 0.96 clat (msec): min= 0, max= 922, avg=103.50, stdev=140.12 bw (KiB/s) : min= 0, max= 6722, per=47.36%, avg=2631.35, stdev=2147.57 cpu : usr=3.94%, sys=0.20%, ctx=1877 IO depths : 1=0.2%, 2=0.3%, 4=17.7%, 8=81.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.8%, 4=1.3%, 10=7.5%, 20=15.7%, 50=21.0%, 100=21.5% lat (msec): 250=24.8%, 500=5.3%, 750=0.5%, 1000=0.5%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5349 read : io=100MiB, bw=3,770KiB/s, runt= 27808msec slat (msec): min= 0, max= 6715, avg=1778.00, stdev=2385.58 clat (msec): min= 1, max= 434, avg=85.01, stdev=77.53 bw (KiB/s) : min= 22, max=12099, per=37.28%, avg=4137.60, stdev=2962.77 write: io=38,376KiB, bw=1,864KiB/s, runt= 21077msec slat (msec): min= 0, max= 2, avg= 0.06, stdev= 0.27 clat (msec): min= 0, max= 894, avg=103.86, stdev=101.80 bw (KiB/s) : min= 0, max= 7063, per=44.52%, avg=2473.32, stdev=1998.27 cpu : usr=3.48%, sys=0.26%, ctx=1822 IO depths : 1=0.1%, 2=0.3%, 4=16.9%, 8=82.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.4%, 10=3.8%, 20=13.2%, 50=23.2%, 100=25.1% lat (msec): 250=27.8%, 500=5.6%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5350 read : io=100MiB, bw=3,908KiB/s, runt= 26830msec slat (msec): min= 0, max= 5345, avg=846.04, stdev=1548.98 clat (msec): min= 1, max= 704, avg=93.66, stdev=80.08 bw (KiB/s) : min= 7, max=10636, per=38.85%, avg=4312.12, stdev=2697.91 write: io=28,624KiB, bw=1,364KiB/s, runt= 21484msec slat (msec): min= 0, max= 3, avg= 0.10, stdev= 0.40 clat (msec): min= 1, max= 942, avg=111.80, stdev=95.93 bw (KiB/s) : min= 0, max= 7050, per=47.38%, avg=2632.45, stdev=2260.31 cpu : usr=3.40%, sys=0.30%, ctx=1795 IO depths : 1=0.1%, 2=0.4%, 4=12.0%, 8=87.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.3%, 10=3.0%, 20=9.4%, 50=21.8%, 100=27.0% lat (msec): 250=31.6%, 500=6.5%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,100KiB/s, minb=3,700KiB/s, maxb=3,908KiB/s, mint=26830msec, maxt=28339msec WRITE: io=116MiB, aggrb=5,556KiB/s, minb=1,364KiB/s, maxb=2,429KiB/s, mint=26830msec, maxt=28339msec Disk stats (read/write): sda: ios=4890/2099, merge=1602/625, ticks=438600/239968, in_queue=678596, util=99.47% 3.04user 0.27system 0:28.56elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2404minor)pagefaults 0swaps