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] [12.5% done] [ 11380/ 7196 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.7% done] [ 13596/ 6460 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.0% done] [ 11032/ 6208 kb/s] [eta 00m:20s] Threads: 3: [mmm] [23.1% done] [ 10280/ 7272 kb/s] [eta 00m:20s] Threads: 3: [mmm] [25.9% done] [ 9501/ 5805 kb/s] [eta 00m:20s] Threads: 3: [mmm] [29.6% done] [ 8400/ 7092 kb/s] [eta 00m:19s] Threads: 3: [mmm] [32.1% done] [ 10428/ 2488 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 3512/ 12116 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 9944/ 4364 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 12376/ 1976 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 10280/ 2828 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 9452/ 3952 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 5176/ 5888 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 9856/ 2328 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 8208/ 3276 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 7528/ 2608 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 5152/ 4220 kb/s] [eta 00m:13s] Threads: 3: [mmm] [62.5% done] [ 6056/ 3440 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 8244/ 1680 kb/s] [eta 00m:11s] Threads: 3: [VVV] [66.7% done] [ 3892/ 4868 kb/s] [eta 00m:11s] Threads: 3: [VVV] [71.9% done] [ 18144/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 17968/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [78.1% done] [ 16920/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [86.7% done] [ 18720/ 0 kb/s] [eta 00m:04s] Threads: 1: [__V] [93.1% done] [ 17700/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=32565 read : io=100MiB, bw=3,832KiB/s, runt= 27359msec slat (msec): min= 0, max= 5276, avg=1141.82, stdev=1756.65 clat (msec): min= 2, max= 809, avg=95.07, stdev=84.85 bw (KiB/s) : min= 53, max=12328, per=39.08%, avg=4418.85, stdev=2708.68 write: io=34,176KiB, bw=1,583KiB/s, runt= 22097msec slat (msec): min= 0, max= 4, avg= 0.07, stdev= 0.36 clat (msec): min= 0, max= 831, avg=100.45, stdev=118.56 bw (KiB/s) : min= 0, max= 7579, per=56.96%, avg=2540.95, stdev=2222.40 cpu : usr=3.39%, sys=0.19%, ctx=1773 IO depths : 1=0.1%, 2=0.2%, 4=14.1%, 8=85.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.9%, 10=3.9%, 20=12.5%, 50=21.9%, 100=21.1% lat (msec): 250=30.8%, 500=6.5%, 750=0.7%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32566 read : io=100MiB, bw=4,157KiB/s, runt= 25223msec slat (msec): min= 0, max= 4857, avg=577.97, stdev=1295.96 clat (msec): min= 3, max= 659, avg=91.93, stdev=72.88 bw (KiB/s) : min= 60, max=10317, per=41.82%, avg=4729.51, stdev=2251.65 write: io=20,748KiB, bw=1,041KiB/s, runt= 20394msec slat (msec): min= 0, max= 2, avg= 0.06, stdev= 0.25 clat (msec): min= 0, max= 870, avg=114.23, stdev=109.74 bw (KiB/s) : min= 0, max= 8091, per=72.22%, avg=3221.75, stdev=2593.67 cpu : usr=3.33%, sys=0.24%, ctx=1728 IO depths : 1=0.2%, 2=0.2%, 4=8.4%, 8=91.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.1%, 10=1.9%, 20=7.1%, 50=22.1%, 100=32.5% lat (msec): 250=30.8%, 500=4.6%, 750=0.4%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32567 read : io=100MiB, bw=3,769KiB/s, runt= 27817msec slat (msec): min= 0, max= 6561, avg=1993.52, stdev=2361.74 clat (msec): min= 0, max= 555, avg=78.27, stdev=80.36 bw (KiB/s) : min= 4, max=12931, per=37.18%, avg=4204.19, stdev=3146.00 write: io=41,404KiB, bw=1,917KiB/s, runt= 22107msec slat (msec): min= 0, max= 3, avg= 0.03, stdev= 0.21 clat (msec): min= 0, max= 1008, avg=98.69, stdev=111.89 bw (KiB/s) : min= 0, max= 6184, per=55.05%, avg=2455.74, stdev=1771.35 cpu : usr=3.38%, sys=0.26%, ctx=1990 IO depths : 1=0.2%, 2=0.4%, 4=14.8%, 8=84.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.8%, 10=5.5%, 20=14.6%, 50=24.7%, 100=23.1% lat (msec): 250=25.2%, 500=4.4%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,308KiB/s, minb=3,769KiB/s, maxb=4,157KiB/s, mint=25223msec, maxt=27817msec WRITE: io=96,328KiB, aggrb=4,461KiB/s, minb=1,041KiB/s, maxb=1,917KiB/s, mint=25223msec, maxt=27817msec Disk stats (read/write): sda: ios=5090/1846, merge=1403/214, ticks=475792/208216, in_queue=683988, util=99.31% 2.77user 0.29system 0:28.14elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2391minor)pagefaults 0swaps