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: [mFF] [37.5% done] [ 528/ 83173 kb/s] [eta 00m:05s] Threads: 3: [mFF] [40.0% done] [ 984/ 0 kb/s] [eta 00m:06s] Threads: 3: [mFF] [45.5% done] [ 1984/ 5864 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 0/ 37152 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [68.8% done] [ 2796/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [70.6% done] [ 40848/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [76.5% done] [ 43001/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [87.5% done] [ 43664/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [93.8% done] [ 43948/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 43868/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 40124/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=19524 read : io=100MiB, bw=5,994KiB/s, runt= 17493msec slat (msec): min= 131, max=12182, avg=8636.72, stdev=2740.92 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=26920, per=53.34%, avg=9377.24, stdev=8272.89 write: io=92,592KiB, bw=8,671KiB/s, runt= 10934msec slat (msec): min= 0, max= 17, avg= 1.80, stdev= 2.19 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=13313, per=24.99%, avg=6656.50, stdev=9413.71 cpu : usr=6.95%, sys=2.31%, ctx=838 IO depths : 1=12.6%, 2=25.1%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19525 read : io=100MiB, bw=5,860KiB/s, runt= 17892msec slat (msec): min= 46, max=15243, avg=12316.15, stdev=3447.65 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 24, max=28953, per=63.88%, avg=11231.00, stdev=7426.66 write: io=91,052KiB, bw=8,522KiB/s, runt= 10940msec slat (msec): min= 0, max= 11, avg= 1.68, stdev= 1.79 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=116277, per=218.30%, avg=58138.50, stdev=82220.26 cpu : usr=6.86%, sys=2.01%, ctx=845 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19526 read : io=100MiB, bw=6,340KiB/s, runt= 16539msec slat (msec): min= 113, max=14999, avg=12258.46, stdev=2198.62 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 19, max=27066, per=85.77%, avg=15079.91, stdev=8541.80 write: io=99MiB, bw=9,480KiB/s, runt= 10897msec slat (msec): min= 0, max= 216, avg= 2.14, stdev= 7.78 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=79927, per=123.57%, avg=32910.00, stdev=41789.20 cpu : usr=7.76%, sys=2.15%, ctx=773 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=17,581KiB/s, minb=5,860KiB/s, maxb=6,340KiB/s, mint=16539msec, maxt=17892msec WRITE: io=278MiB, aggrb=26,632KiB/s, minb=8,522KiB/s, maxb=9,480KiB/s, mint=16539msec, maxt=17892msec Disk stats (read/write): sda: ios=2798/1365, merge=1728/69801, ticks=33676/1242672, in_queue=1276344, util=98.61% 3.75user 1.17system 0:18.15elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2414minor)pagefaults 0swaps