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] [7.7% done] [ 1884/ 0 kb/s] [eta 00m:36s] Threads: 3: [mFF] [7.7% done] [ 0/ 0 kb/s] [eta 00m:48s] Threads: 3: [mFF] [8.3% done] [ 824/ 0 kb/s] [eta 00m:55s] Threads: 3: [mFF] [10.0% done] [ 2040/ 0 kb/s] [eta 00m:54s] Threads: 3: [mFF] [11.7% done] [ 952/ 0 kb/s] [eta 00m:53s] Threads: 3: [FFF] [100.0% done] [ 1396/ 85528 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] [68.4% done] [ 10340/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [70.0% done] [ 32732/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 27132/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [80.0% done] [ 27175/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [85.0% done] [ 34800/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.0% done] [ 36879/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 30893/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37529/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 30511/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=21809 read : io=100MiB, bw=4,760KiB/s, runt= 22027msec slat (msec): min= 71, max=14098, avg=10335.20, stdev=3622.61 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=17551, per=51.08%, avg=7294.90, stdev=5401.99 write: io=85,528KiB, bw=6,669KiB/s, runt= 13132msec slat (msec): min= 0, max= 11, avg= 1.54, stdev= 1.74 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=116576, per=257.47%, avg=58288.00, stdev=82431.68 cpu : usr=5.45%, sys=1.69%, ctx=951 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% fio: (groupid=0): err= 0: pid=21810 read : io=100MiB, bw=4,969KiB/s, runt= 21099msec slat (msec): min=11867, max=20115, avg=16036.64, stdev=2638.87 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 5, max=25814, per=85.57%, avg=12220.64, stdev=6737.16 write: io=100MiB, bw=8,559KiB/s, runt= 12250msec slat (msec): min= 0, max= 16, avg= 2.09, stdev= 2.31 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=103440, per=228.46%, avg=51720.00, stdev=73143.13 cpu : usr=5.82%, sys=2.22%, ctx=794 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% fio: (groupid=0): err= 0: pid=21811 read : io=100MiB, bw=4,871KiB/s, runt= 21524msec slat (msec): min=11738, max=20554, avg=16401.40, stdev=2484.49 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 19, max=18178, per=76.28%, avg=10893.13, stdev=5545.02 write: io=100MiB, bw=8,562KiB/s, runt= 12246msec slat (msec): min= 0, max= 22, avg= 2.09, stdev= 2.36 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=110097, per=243.16%, avg=55048.50, stdev=77850.34 cpu : usr=5.52%, sys=2.16%, ctx=783 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=14,281KiB/s, minb=4,760KiB/s, maxb=4,969KiB/s, mint=21099msec, maxt=22027msec WRITE: io=284MiB, aggrb=22,639KiB/s, minb=6,669KiB/s, maxb=8,562KiB/s, mint=21099msec, maxt=22027msec Disk stats (read/write): sda: ios=3119/1658, merge=1116/70766, ticks=87704/1610508, in_queue=1699456, util=98.75% 3.66user 1.34system 0:22.24elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2412minor)pagefaults 0swaps