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] [ 20620/ 16 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.0% done] [ 13664/ 6080 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.8% done] [ 8664/ 9508 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 12976/ 3888 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 7452/ 8268 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 9484/ 4592 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 15480/ 204 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 8020/ 7568 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 12128/ 2808 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 10036/ 3360 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 6340/ 6480 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.7% done] [ 8064/ 4076 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 3652/ 9076 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 9732/ 1568 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 7376/ 3700 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 3976/ 6168 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 2676/ 6464 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 5852/ 4200 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 3480/ 5268 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 8048/ 4040 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 18708/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 17784/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.6% done] [ 18112/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 15980/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.1% done] [ 17172/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=17831 read : io=100MiB, bw=3,689KiB/s, runt= 28421msec slat (msec): min= 0, max= 6718, avg=2420.96, stdev=2638.57 clat (msec): min= 0, max= 830, avg=83.63, stdev=100.19 bw (KiB/s) : min= 30, max=18268, per=35.69%, avg=3949.91, stdev=3608.79 write: io=47,020KiB, bw=2,205KiB/s, runt= 21831msec slat (msec): min= 0, max= 3, avg= 0.07, stdev= 0.34 clat (msec): min= 0, max= 840, avg=93.26, stdev=110.76 bw (KiB/s) : min= 0, max= 8506, per=50.52%, avg=2654.00, stdev=2009.24 cpu : usr=3.32%, sys=0.34%, ctx=1840 IO depths : 1=0.2%, 2=0.6%, 4=19.6%, 8=79.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.0%, 4=1.5%, 10=8.1%, 20=17.0%, 50=23.5%, 100=17.0% lat (msec): 250=22.5%, 500=7.3%, 750=0.7%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17832 read : io=100MiB, bw=3,928KiB/s, runt= 26692msec slat (msec): min= 0, max= 6366, avg=1357.48, stdev=2114.70 clat (msec): min= 0, max= 539, avg=86.60, stdev=75.90 bw (KiB/s) : min= 26, max= 9814, per=40.68%, avg=4502.76, stdev=2548.29 write: io=30,888KiB, bw=1,547KiB/s, runt= 20441msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.17 clat (msec): min= 0, max= 638, avg=97.65, stdev=95.70 bw (KiB/s) : min= 0, max= 6533, per=46.34%, avg=2434.14, stdev=2262.86 cpu : usr=3.13%, sys=0.45%, ctx=1882 IO depths : 1=0.2%, 2=0.2%, 4=11.3%, 8=88.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.6%, 10=4.2%, 20=11.0%, 50=23.8%, 100=23.7% lat (msec): 250=30.9%, 500=4.1%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17833 read : io=100MiB, bw=3,800KiB/s, runt= 27589msec slat (msec): min= 0, max= 6166, avg=1436.86, stdev=2094.70 clat (msec): min= 1, max= 689, avg=91.76, stdev=90.85 bw (KiB/s) : min= 52, max=11033, per=37.55%, avg=4155.86, stdev=2514.91 write: io=34,096KiB, bw=1,639KiB/s, runt= 21296msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.18 clat (msec): min= 0, max= 820, avg=95.51, stdev=103.89 bw (KiB/s) : min= 0, max=10906, per=50.21%, avg=2637.36, stdev=2507.45 cpu : usr=3.23%, sys=0.23%, ctx=1864 IO depths : 1=0.1%, 2=0.3%, 4=14.0%, 8=85.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.8%, 10=4.0%, 20=12.1%, 50=22.8%, 100=25.5% lat (msec): 250=27.2%, 500=5.3%, 750=0.9%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,068KiB/s, minb=3,689KiB/s, maxb=3,928KiB/s, mint=26692msec, maxt=28421msec WRITE: io=109MiB, aggrb=5,253KiB/s, minb=1,547KiB/s, maxb=2,205KiB/s, mint=26692msec, maxt=28421msec Disk stats (read/write): sda: ios=4905/2256, merge=1625/394, ticks=456584/281872, in_queue=738456, util=99.47% 2.76user 0.34system 0:28.70elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2400minor)pagefaults 0swaps