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] [11.5% done] [ 16924/ 3441 kb/s] [eta 00m:23s] Threads: 3: [mmm] [13.3% done] [ 17456/ 4542 kb/s] [eta 00m:26s] Threads: 3: [mmm] [19.2% done] [ 17412/ 1011 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 15831/ 1653 kb/s] [eta 00m:20s] Threads: 3: [mmm] [28.0% done] [ 10081/ 10406 kb/s] [eta 00m:18s] Threads: 3: [mmm] [32.0% done] [ 11987/ 3649 kb/s] [eta 00m:17s] Threads: 3: [mmm] [34.6% done] [ 11446/ 5745 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 9569/ 7858 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 6107/ 9228 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 4934/ 8712 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 3680/ 9976 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.7% done] [ 6420/ 6112 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.4% done] [ 8452/ 4124 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 6008/ 5728 kb/s] [eta 00m:16s] Threads: 3: [mmm] [54.8% done] [ 10744/ 1480 kb/s] [eta 00m:14s] Threads: 3: [mmV] [56.2% done] [ 11820/ 1396 kb/s] [eta 00m:14s] Threads: 3: [mmV] [55.9% done] [ 10952/ 3364 kb/s] [eta 00m:15s] Threads: 3: [mVV] [58.8% done] [ 15540/ 2048 kb/s] [eta 00m:14s] Threads: 3: [mVV] [60.0% done] [ 15612/ 16 kb/s] [eta 00m:14s] Threads: 2: [mV_] [62.9% done] [ 14188/ 0 kb/s] [eta 00m:13s] Threads: 2: [mV_] [65.7% done] [ 13860/ 0 kb/s] [eta 00m:12s] Threads: 1: [V__] [72.7% done] [ 11536/ 2968 kb/s] [eta 00m:09s] Threads: 1: [V__] [86.2% done] [ 21728/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=2368 read : io=100MiB, bw=4,041KiB/s, runt= 25945msec slat (msec): min= 0, max= 2293, avg=458.88, stdev=678.98 clat (msec): min= 0, max= 1141, avg=86.33, stdev=162.92 bw (KiB/s) : min= 87, max=22028, per=40.55%, avg=4915.71, stdev=6011.25 write: io=40,336KiB, bw=1,725KiB/s, runt= 23936msec slat (msec): min= 0, max= 547, avg= 0.87, stdev=21.76 clat (msec): min= 0, max= 983, avg=105.66, stdev=187.99 bw (KiB/s) : min= 0, max=10280, per=57.24%, avg=2636.35, stdev=3083.41 cpu : usr=3.48%, sys=0.20%, ctx=2013 IO depths : 1=0.1%, 2=0.3%, 4=3.3%, 8=96.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=8.3%, 4=2.0%, 10=13.1%, 20=22.0%, 50=22.2%, 100=9.8% lat (msec): 250=11.8%, 500=6.0%, 750=2.6%, 1000=1.7%, >=2000=0.2% fio: (groupid=0): err= 0: pid=2369 read : io=100MiB, bw=4,449KiB/s, runt= 23565msec slat (msec): min= 0, max= 4477, avg=1003.53, stdev=1512.59 clat (msec): min= 1, max= 826, avg=74.79, stdev=92.75 bw (KiB/s) : min= 92, max=11575, per=41.23%, avg=4998.32, stdev=3341.48 write: io=35,984KiB, bw=1,924KiB/s, runt= 19145msec slat (msec): min= 0, max= 713, avg= 1.16, stdev=28.32 clat (msec): min= 0, max= 959, avg=90.03, stdev=174.12 bw (KiB/s) : min= 0, max= 7583, per=64.77%, avg=2983.45, stdev=2515.97 cpu : usr=3.62%, sys=0.37%, ctx=2084 IO depths : 1=0.1%, 2=0.4%, 4=4.7%, 8=94.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=9.9%, 4=2.0%, 10=10.0%, 20=15.5%, 50=21.9%, 100=15.8% lat (msec): 250=17.7%, 500=5.3%, 750=0.9%, 1000=0.7%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2370 read : io=100MiB, bw=4,879KiB/s, runt= 21490msec slat (msec): min= 0, max= 5226, avg=1132.41, stdev=1696.96 clat (msec): min= 1, max= 827, avg=70.16, stdev=98.00 bw (KiB/s) : min= 9, max=17616, per=45.99%, avg=5576.08, stdev=3790.82 write: io=31,348KiB, bw=1,871KiB/s, runt= 17150msec slat (msec): min= 0, max= 51, avg= 0.15, stdev= 2.18 clat (msec): min= 0, max= 919, avg=93.34, stdev=182.09 bw (KiB/s) : min= 0, max= 7551, per=53.88%, avg=2481.68, stdev=2526.02 cpu : usr=4.08%, sys=0.32%, ctx=2025 IO depths : 1=0.1%, 2=0.3%, 4=3.8%, 8=95.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=7.9%, 4=2.2%, 10=8.9%, 20=18.5%, 50=25.4%, 100=14.6% lat (msec): 250=16.0%, 500=4.2%, 750=1.2%, 1000=1.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,124KiB/s, minb=4,041KiB/s, maxb=4,879KiB/s, mint=21490msec, maxt=25945msec WRITE: io=105MiB, aggrb=4,606KiB/s, minb=1,725KiB/s, maxb=1,924KiB/s, mint=21490msec, maxt=25945msec Disk stats (read/write): sda: ios=5345/2145, merge=1008/211, ticks=397016/187636, in_queue=584652, util=99.17% 2.67user 0.29system 0:26.28elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2390minor)pagefaults 0swaps