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] [9.7% done] [ 13000/ 6982 kb/s] [eta 00m:28s] Threads: 3: [mmm] [15.4% done] [ 11857/ 7120 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 12705/ 2701 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 15852/ 2091 kb/s] [eta 00m:20s] Threads: 3: [mmm] [28.0% done] [ 8810/ 8251 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 8900/ 6348 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 10527/ 3922 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 12977/ 2075 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 7006/ 7920 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 5761/ 8184 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 9511/ 4438 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 10641/ 1488 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 5524/ 6524 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 8036/ 3080 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 8788/ 2860 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 6908/ 3800 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 8860/ 1132 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 7728/ 1600 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 5736/ 3488 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 6380/ 3068 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 20160/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 20880/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19628/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 16948/ 0 kb/s] [eta 00m:05s] Threads: 1: [_EV] [93.1% done] [ 15696/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=32379 read : io=100MiB, bw=3,867KiB/s, runt= 27111msec slat (msec): min= 0, max= 5193, avg=700.61, stdev=1386.58 clat (msec): min= 3, max= 495, avg=100.92, stdev=86.63 bw (KiB/s) : min= 51, max=12273, per=35.70%, avg=4023.09, stdev=2262.79 write: io=24,716KiB, bw=1,148KiB/s, runt= 22033msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.18 clat (msec): min= 0, max= 887, avg=98.72, stdev=126.81 bw (KiB/s) : min= 0, max= 5720, per=45.06%, avg=2161.30, stdev=2278.44 cpu : usr=3.11%, sys=0.24%, ctx=1815 IO depths : 1=0.1%, 2=0.2%, 4=10.1%, 8=89.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=0.4%, 10=3.7%, 20=9.5%, 50=23.5%, 100=23.7% lat (msec): 250=31.3%, 500=6.4%, 750=0.4%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32380 read : io=100MiB, bw=3,782KiB/s, runt= 27724msec slat (msec): min= 0, max= 7439, avg=1596.12, stdev=2434.60 clat (msec): min= 2, max= 490, avg=88.87, stdev=76.75 bw (KiB/s) : min= 8, max=14536, per=37.80%, avg=4259.81, stdev=2793.01 write: io=36,840KiB, bw=1,805KiB/s, runt= 20894msec slat (msec): min= 0, max= 5, avg= 0.12, stdev= 0.51 clat (msec): min= 0, max= 957, avg=106.66, stdev=126.73 bw (KiB/s) : min= 0, max= 6905, per=53.07%, avg=2545.27, stdev=2334.89 cpu : usr=3.32%, sys=0.38%, ctx=1846 IO depths : 1=0.1%, 2=0.2%, 4=12.4%, 8=87.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.4%, 4=0.4%, 10=3.5%, 20=10.5%, 50=23.0%, 100=26.8% lat (msec): 250=29.1%, 500=4.5%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32381 read : io=100MiB, bw=3,756KiB/s, runt= 27914msec slat (msec): min= 0, max= 6082, avg=1423.79, stdev=2095.77 clat (msec): min= 1, max= 818, avg=88.13, stdev=81.45 bw (KiB/s) : min= 89, max=10754, per=36.73%, avg=4138.79, stdev=2758.92 write: io=41,760KiB, bw=1,938KiB/s, runt= 22058msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.29 clat (msec): min= 0, max= 860, avg=116.40, stdev=133.21 bw (KiB/s) : min= 0, max= 6535, per=58.42%, avg=2801.89, stdev=2042.88 cpu : usr=3.08%, sys=0.21%, ctx=1849 IO depths : 1=0.1%, 2=0.3%, 4=14.1%, 8=85.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.4%, 10=4.2%, 20=9.5%, 50=24.6%, 100=25.5% lat (msec): 250=28.0%, 500=6.2%, 750=0.4%, 1000=0.4%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,269KiB/s, minb=3,756KiB/s, maxb=3,867KiB/s, mint=27111msec, maxt=27914msec WRITE: io=101MiB, aggrb=4,796KiB/s, minb=1,148KiB/s, maxb=1,938KiB/s, mint=27111msec, maxt=27914msec Disk stats (read/write): sda: ios=5069/1810, merge=1438/458, ticks=487440/249136, in_queue=736580, util=98.86% 2.67user 0.27system 0:28.44elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2390minor)pagefaults 0swaps