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] [10.7% done] [ 7655/ 13633 kb/s] [eta 00m:25s] Threads: 3: [mmm] [15.4% done] [ 6128/ 13380 kb/s] [eta 00m:22s] Threads: 3: [mmm] [18.5% done] [ 12952/ 4360 kb/s] [eta 00m:22s] Threads: 3: [mmm] [22.2% done] [ 12888/ 4760 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.9% done] [ 6920/ 5800 kb/s] [eta 00m:20s] Threads: 3: [mmm] [28.6% done] [ 8584/ 5864 kb/s] [eta 00m:20s] Threads: 3: [mmm] [33.3% done] [ 10700/ 6068 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 12360/ 3376 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.9% done] [ 7420/ 7068 kb/s] [eta 00m:18s] Threads: 3: [mmm] [41.4% done] [ 8900/ 5961 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 7044/ 6480 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 9280/ 3772 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 8120/ 3888 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 8232/ 3004 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 3204/ 7380 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 4592/ 5584 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 6072/ 3332 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 5660/ 3780 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.6% done] [ 8444/ 1020 kb/s] [eta 00m:12s] Threads: 3: [VVV] [68.8% done] [ 11308/ 520 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19512/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 19024/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19632/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 19768/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [90.0% done] [ 18816/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [93.3% done] [ 15224/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=1050 read : io=100MiB, bw=3,862KiB/s, runt= 27148msec slat (msec): min= 0, max= 5286, avg=986.98, stdev=1629.03 clat (msec): min= 2, max= 525, avg=87.67, stdev=88.05 bw (KiB/s) : min= 221, max=13099, per=40.80%, avg=4462.02, stdev=3091.51 write: io=34,952KiB, bw=1,634KiB/s, runt= 21895msec slat (msec): min= 0, max= 4, avg= 0.07, stdev= 0.35 clat (msec): min= 0, max= 988, avg=126.48, stdev=140.89 bw (KiB/s) : min= 0, max= 7008, per=38.77%, avg=2234.11, stdev=2007.49 cpu : usr=3.61%, sys=0.24%, ctx=1809 IO depths : 1=0.1%, 2=0.2%, 4=12.5%, 8=87.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.3%, 10=3.8%, 20=15.9%, 50=22.7%, 100=20.5% lat (msec): 250=26.6%, 500=8.5%, 750=0.9%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1051 read : io=100MiB, bw=3,645KiB/s, runt= 28764msec slat (msec): min= 0, max= 7659, avg=1877.89, stdev=2585.78 clat (msec): min= 0, max= 820, avg=84.16, stdev=84.11 bw (KiB/s) : min= 15, max= 9735, per=37.35%, avg=4085.12, stdev=2630.94 write: io=44,876KiB, bw=2,173KiB/s, runt= 21145msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.29 clat (msec): min= 0, max= 846, avg=108.80, stdev=109.89 bw (KiB/s) : min= 0, max= 6702, per=51.35%, avg=2959.30, stdev=2121.74 cpu : usr=3.37%, sys=0.33%, ctx=1897 IO depths : 1=0.2%, 2=0.2%, 4=15.7%, 8=83.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.7%, 10=4.1%, 20=11.4%, 50=25.1%, 100=25.1% lat (msec): 250=26.0%, 500=6.3%, 750=0.4%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1052 read : io=100MiB, bw=3,659KiB/s, runt= 28655msec slat (msec): min= 0, max= 7989, avg=1981.83, stdev=2686.47 clat (msec): min= 0, max= 448, avg=90.00, stdev=81.02 bw (KiB/s) : min= 18, max= 9370, per=40.97%, avg=4480.65, stdev=2785.67 write: io=43,400KiB, bw=2,140KiB/s, runt= 20763msec slat (msec): min= 0, max= 6, avg= 0.11, stdev= 0.55 clat (msec): min= 0, max= 754, avg=111.20, stdev=107.03 bw (KiB/s) : min= 0, max= 9456, per=57.52%, avg=3314.83, stdev=2574.73 cpu : usr=3.46%, sys=0.27%, ctx=1817 IO depths : 1=0.2%, 2=0.4%, 4=14.6%, 8=84.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.6%, 4=0.5%, 10=3.1%, 20=10.3%, 50=22.0%, 100=24.7% lat (msec): 250=31.5%, 500=5.6%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,936KiB/s, minb=3,645KiB/s, maxb=3,862KiB/s, mint=27148msec, maxt=28764msec WRITE: io=120MiB, aggrb=5,763KiB/s, minb=1,634KiB/s, maxb=2,173KiB/s, mint=27148msec, maxt=28764msec Disk stats (read/write): sda: ios=4920/2132, merge=1399/401, ticks=448712/440132, in_queue=888844, util=99.51% 2.98user 0.29system 0:29.04elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2402minor)pagefaults 0swaps