fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [FmF] [33.3% done] [ 580/ 0 kb/s] [eta 00m:06s] Threads: 3: [FmF] [50.0% done] [ 928/ 22476 kb/s] [eta 00m:04s] Threads: 3: [FmF] [50.0% done] [ 1152/ 72 kb/s] [eta 00m:05s] Threads: 3: [FmF] [50.0% done] [ 1008/ 0 kb/s] [eta 00m:06s] Threads: 3: [FmF] [53.8% done] [ 1116/ 5704 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 320/ 20804 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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFV] [70.0% done] [ 112/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFV] [75.0% done] [ 7540/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [76.2% done] [ 27788/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [85.0% done] [ 32171/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [90.0% done] [ 32988/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VV] [95.0% done] [ 29776/ 0 kb/s] [eta 00m:01s] Threads: 1: [_V_] [100.0% done] [ 30448/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=17856 read : io=0KiB, bw=0KiB/s, runt= 15556msec write: io=100MiB, bw=6,759KiB/s, runt= 15512msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 4, avg= 0.20, stdev= 0.46 bw (KiB/s) : min= 0, max=120152, per=318.27%, avg=60076.00, stdev=84960.29 cpu : usr=5.25%, sys=2.39%, ctx=5098 IO depths : 1=0.3%, 2=96.9%, 4=2.7%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=98.1%, 4=1.2%, 10=0.2%, 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=17857 read : io=100MiB, bw=4,917KiB/s, runt= 21322msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1319, avg=57.15, stdev=121.82 bw (KiB/s) : min= 19, max=25453, per=74.72%, avg=7348.76, stdev=8214.82 write: io=86,172KiB, bw=5,688KiB/s, runt= 15512msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 459, avg= 3.99, stdev=31.44 bw (KiB/s) : min= 0, max=16460, per=40.76%, avg=7694.50, stdev=6798.86 cpu : usr=3.32%, sys=1.91%, ctx=7134 IO depths : 1=1.4%, 2=51.2%, 4=30.6%, 8=16.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.2%, 4=1.0%, 10=17.1%, 20=17.2%, 50=5.7%, 100=2.4% lat (msec): 250=6.7%, 500=2.7%, 750=0.4%, 1000=0.1%, >=2000=0.2% fio: (groupid=0): err= 0: pid=17858 read : io=100MiB, bw=5,170KiB/s, runt= 20278msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 466, avg=32.68, stdev=55.68 bw (KiB/s) : min= 0, max=31321, per=127.87%, avg=12575.73, stdev=10703.01 write: io=97,376KiB, bw=7,061KiB/s, runt= 14120msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 147, avg= 0.60, stdev= 6.27 bw (KiB/s) : min= 0, max=36607, per=96.97%, avg=18303.50, stdev=25885.06 cpu : usr=4.10%, sys=2.68%, ctx=6737 IO depths : 1=1.1%, 2=52.8%, 4=33.1%, 8=13.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.9%, 4=1.5%, 10=18.2%, 20=17.9%, 50=6.5%, 100=2.1% lat (msec): 250=5.3%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=200MiB, aggrb=9,835KiB/s, minb=0KiB/s, maxb=5,170KiB/s, mint=15556msec, maxt=21322msec WRITE: io=279MiB, aggrb=18,876KiB/s, minb=5,688KiB/s, maxb=7,061KiB/s, mint=15556msec, maxt=21322msec Disk stats (read/write): sda: ios=2335/2474, merge=1052/68853, ticks=54436/1979540, in_queue=2036848, util=98.83% 2.40user 1.39system 0:21.69elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2465minor)pagefaults 0swaps