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] [5.9% done] [ 1110/ 0 kb/s] [eta 00m:48s] Threads: 3: [FmF] [7.4% done] [ 1194/ 1040 kb/s] [eta 00m:50s] Threads: 3: [FmF] [8.6% done] [ 1090/ 858 kb/s] [eta 00m:53s] Threads: 3: [FmF] [10.3% done] [ 2404/ 0 kb/s] [eta 00m:52s] Threads: 3: [FmF] [11.7% done] [ 1472/ 0 kb/s] [eta 00m:53s] Threads: 3: [FmF] [13.3% done] [ 1469/ 0 kb/s] [eta 00m:52s] Threads: 3: [FmF] [64.3% done] [ 697/ 76922 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 0/ 4867 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: 2: [VV_] [72.2% done] [ 17257/ 0 kb/s] [eta 00m:05s] Threads: 2: [VV_] [82.4% done] [ 27674/ 0 kb/s] [eta 00m:03s] Threads: 2: [VV_] [93.8% done] [ 30916/ 0 kb/s] [eta 00m:01s] Threads: 2: [VV_] [100.0% done] [ 36438/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 30078/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 35398/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=8798 read : io=100MiB, bw=5,541KiB/s, runt= 18923msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 454, avg=29.49, stdev=53.85 bw (KiB/s) : min= 7, max=21847, per=129.09%, avg=14306.15, stdev=7804.89 write: io=99,544KiB, bw=7,973KiB/s, runt= 12784msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 170, avg= 0.69, stdev= 7.66 bw (KiB/s) : min= 0, max=125313, per=272.03%, avg=62656.50, stdev=88609.67 cpu : usr=4.25%, sys=2.07%, ctx=4717 IO depths : 1=2.8%, 2=60.6%, 4=28.2%, 8=8.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=54.1%, 4=0.4%, 10=19.0%, 20=14.7%, 50=4.0%, 100=1.2% lat (msec): 250=5.9%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=8799 read : io=100MiB, bw=5,582KiB/s, runt= 18783msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1094, avg=63.32, stdev=153.45 bw (KiB/s) : min= 18, max=18481, per=61.11%, avg=6771.96, stdev=6593.24 write: io=85,612KiB, bw=6,859KiB/s, runt= 12780msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1022, avg= 8.41, stdev=71.59 bw (KiB/s) : min= 0, max=128696, per=112.88%, avg=25999.80, stdev=57409.41 cpu : usr=3.75%, sys=1.64%, ctx=4697 IO depths : 1=2.4%, 2=57.1%, 4=28.6%, 8=11.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=51.2%, 4=0.1%, 10=12.4%, 20=18.0%, 50=6.9%, 100=1.5% lat (msec): 250=6.1%, 500=1.6%, 750=1.0%, 1000=0.8%, >=2000=0.3% fio: (groupid=0): err= 0: pid=8800 read : io=0KiB, bw=0KiB/s, runt= 12849msec write: io=100MiB, bw=8,202KiB/s, runt= 12784msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 3, avg= 0.18, stdev= 0.40 bw (KiB/s) : min= 0, max=128868, per=279.75%, avg=64434.00, stdev=91123.44 cpu : usr=6.32%, sys=2.58%, ctx=3025 IO depths : 1=0.2%, 2=99.0%, 4=0.8%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.1%, 4=0.4%, 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=200MiB, aggrb=11,082KiB/s, minb=0KiB/s, maxb=5,582KiB/s, mint=12849msec, maxt=18923msec WRITE: io=281MiB, aggrb=23,033KiB/s, minb=6,859KiB/s, maxb=8,202KiB/s, mint=12849msec, maxt=18923msec Disk stats (read/write): sda: ios=2167/1369, merge=924/70211, ticks=50036/1415008, in_queue=1523216, util=98.71% 2.37user 1.08system 0:19.29elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2449minor)pagefaults 0swaps