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] [12.0% done] [ 10564/ 7752 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.0% done] [ 17236/ 3308 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 15104/ 4280 kb/s] [eta 00m:20s] Threads: 3: [mmm] [24.0% done] [ 15916/ 928 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 12220/ 4072 kb/s] [eta 00m:18s] Threads: 3: [mmm] [29.6% done] [ 9380/ 3724 kb/s] [eta 00m:19s] Threads: 3: [mmm] [34.6% done] [ 10860/ 5644 kb/s] [eta 00m:17s] Threads: 3: [mmm] [37.0% done] [ 11780/ 4076 kb/s] [eta 00m:17s] Threads: 3: [mmm] [39.3% done] [ 7632/ 6356 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 9597/ 5100 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.8% done] [ 7156/ 5960 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 6960/ 6428 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 6916/ 5096 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 7152/ 4380 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 6388/ 3440 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 5636/ 4876 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 7024/ 2356 kb/s] [eta 00m:13s] Threads: 3: [mmm] [62.5% done] [ 7880/ 2880 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 8072/ 1384 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 10200/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 20476/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 19146/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.1% done] [ 16676/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [83.9% done] [ 19868/ 0 kb/s] [eta 00m:05s] Threads: 1: [__V] [100.0% done] [ 18192/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=16622 read : io=100MiB, bw=3,914KiB/s, runt= 26790msec slat (msec): min= 0, max= 4765, avg=544.17, stdev=1218.78 clat (msec): min= 2, max= 565, avg=99.80, stdev=88.21 bw (KiB/s) : min= 73, max= 9965, per=34.22%, avg=3890.90, stdev=2402.16 write: io=23,508KiB, bw=1,098KiB/s, runt= 21915msec slat (msec): min= 0, max= 6, avg= 0.08, stdev= 0.48 clat (msec): min= 0, max= 864, avg=136.86, stdev=142.11 bw (KiB/s) : min= 0, max= 6266, per=40.73%, avg=1935.05, stdev=1682.06 cpu : usr=2.97%, sys=0.24%, ctx=1744 IO depths : 1=0.2%, 2=0.3%, 4=8.8%, 8=90.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.3%, 10=3.0%, 20=12.5%, 50=18.7%, 100=23.7% lat (msec): 250=33.3%, 500=7.3%, 750=0.7%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16623 read : io=100MiB, bw=3,947KiB/s, runt= 26563msec slat (msec): min= 0, max= 6462, avg=1103.35, stdev=1886.09 clat (msec): min= 2, max= 509, avg=90.93, stdev=81.29 bw (KiB/s) : min= 36, max=13146, per=38.96%, avg=4430.60, stdev=2995.15 write: io=30,244KiB, bw=1,538KiB/s, runt= 20132msec slat (msec): min= 0, max= 4, avg= 0.03, stdev= 0.25 clat (msec): min= 0, max= 725, avg=109.46, stdev=104.89 bw (KiB/s) : min= 0, max= 6889, per=55.61%, avg=2642.25, stdev=2258.23 cpu : usr=3.55%, sys=0.21%, ctx=1744 IO depths : 1=0.1%, 2=0.2%, 4=11.2%, 8=88.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.2%, 10=2.6%, 20=10.5%, 50=23.7%, 100=26.8% lat (msec): 250=29.2%, 500=5.9%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16624 read : io=100MiB, bw=3,790KiB/s, runt= 27663msec slat (msec): min= 0, max= 6178, avg=1913.55, stdev=2308.13 clat (msec): min= 1, max= 428, avg=74.99, stdev=75.18 bw (KiB/s) : min= 26, max=19931, per=41.14%, avg=4677.71, stdev=4057.86 write: io=47,932KiB, bw=2,288KiB/s, runt= 21450msec slat (msec): min= 0, max= 8, avg= 0.12, stdev= 0.67 clat (msec): min= 0, max= 766, avg=106.78, stdev=107.01 bw (KiB/s) : min= 0, max=10195, per=60.81%, avg=2888.93, stdev=2262.51 cpu : usr=3.70%, sys=0.27%, ctx=1942 IO depths : 1=0.2%, 2=0.4%, 4=15.9%, 8=83.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.5%, 10=4.6%, 20=13.4%, 50=25.5%, 100=25.4% lat (msec): 250=23.2%, 500=5.6%, 750=0.3%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,371KiB/s, minb=3,790KiB/s, maxb=3,947KiB/s, mint=26563msec, maxt=27663msec WRITE: io=99MiB, aggrb=4,751KiB/s, minb=1,098KiB/s, maxb=2,288KiB/s, mint=26563msec, maxt=27663msec Disk stats (read/write): sda: ios=5037/1773, merge=1325/388, ticks=458096/240896, in_queue=698992, util=98.85% 2.80user 0.30system 0:28.17elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2396minor)pagefaults 0swaps