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] [11.1% done] [ 9948/ 9661 kb/s] [eta 00m:24s] Threads: 3: [mmm] [14.3% done] [ 6951/ 11669 kb/s] [eta 00m:24s] Threads: 3: [mmm] [19.2% done] [ 17868/ 1496 kb/s] [eta 00m:21s] Threads: 3: [mmm] [22.2% done] [ 13205/ 4206 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.9% done] [ 8065/ 7955 kb/s] [eta 00m:20s] Threads: 3: [mmm] [29.6% done] [ 4895/ 11004 kb/s] [eta 00m:19s] Threads: 3: [mmm] [32.1% done] [ 9212/ 4860 kb/s] [eta 00m:19s] Threads: 3: [mmm] [34.5% done] [ 14154/ 2500 kb/s] [eta 00m:19s] Threads: 3: [mmm] [39.3% done] [ 12658/ 2922 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 12185/ 3820 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 8144/ 5726 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 6104/ 6029 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 9995/ 2126 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 3253/ 7510 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 3402/ 5970 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 5328/ 4344 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.3% done] [ 4753/ 3324 kb/s] [eta 00m:11s] Threads: 3: [mmm] [64.5% done] [ 3969/ 5537 kb/s] [eta 00m:11s] Threads: 3: [mVm] [65.6% done] [ 6045/ 594 kb/s] [eta 00m:11s] Threads: 3: [mVm] [66.7% done] [ 9058/ 846 kb/s] [eta 00m:11s] Threads: 3: [VVV] [69.7% done] [ 16584/ 496 kb/s] [eta 00m:10s] Threads: 3: [VVV] [72.7% done] [ 17049/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [78.1% done] [ 18404/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.8% done] [ 14741/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [84.8% done] [ 16549/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [87.9% done] [ 15092/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=15092 read : io=100MiB, bw=3,515KiB/s, runt= 29824msec slat (msec): min= 0, max= 7067, avg=1573.65, stdev=2320.11 clat (msec): min= 0, max= 635, avg=89.98, stdev=109.30 bw (KiB/s) : min= 26, max= 9326, per=37.34%, avg=3937.90, stdev=2490.85 write: io=39,656KiB, bw=1,781KiB/s, runt= 22798msec slat (msec): min= 0, max= 34, avg= 0.20, stdev= 1.65 clat (msec): min= 0, max= 942, avg=104.15, stdev=148.38 bw (KiB/s) : min= 0, max= 9419, per=46.70%, avg=2504.72, stdev=2676.25 cpu : usr=3.26%, sys=0.34%, ctx=1864 IO depths : 1=0.2%, 2=0.9%, 4=17.7%, 8=81.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.4%, 4=0.9%, 10=7.0%, 20=20.3%, 50=34.1%, 100=6.2% lat (msec): 250=13.0%, 500=15.1%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15093 read : io=100MiB, bw=3,574KiB/s, runt= 29335msec slat (msec): min= 0, max= 7914, avg=1513.08, stdev=2317.80 clat (msec): min= 0, max= 961, avg=96.94, stdev=120.65 bw (KiB/s) : min= 26, max=12288, per=39.24%, avg=4139.02, stdev=3166.36 write: io=43,008KiB, bw=2,053KiB/s, runt= 21449msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.27 clat (msec): min= 0, max= 819, avg=113.22, stdev=145.64 bw (KiB/s) : min= 0, max= 7717, per=54.44%, avg=2920.36, stdev=2614.66 cpu : usr=3.05%, sys=0.40%, ctx=1714 IO depths : 1=0.2%, 2=0.7%, 4=17.6%, 8=81.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.8%, 4=1.1%, 10=6.6%, 20=17.4%, 50=33.9%, 100=7.6% lat (msec): 250=15.2%, 500=14.8%, 750=1.2%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15094 read : io=100MiB, bw=3,533KiB/s, runt= 29675msec slat (msec): min= 0, max= 6972, avg=1404.82, stdev=2136.64 clat (msec): min= 0, max= 661, avg=95.23, stdev=109.07 bw (KiB/s) : min= 32, max= 9655, per=38.22%, avg=4031.57, stdev=2462.70 write: io=36,764KiB, bw=1,656KiB/s, runt= 22725msec slat (msec): min= 0, max= 11, avg= 0.14, stdev= 0.84 clat (msec): min= 0, max= 1078, avg=107.67, stdev=164.19 bw (KiB/s) : min= 0, max= 6242, per=43.68%, avg=2343.19, stdev=2036.20 cpu : usr=3.02%, sys=0.20%, ctx=1794 IO depths : 1=0.2%, 2=1.1%, 4=17.4%, 8=81.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.5%, 4=1.5%, 10=8.0%, 20=17.9%, 50=31.3%, 100=7.7% lat (msec): 250=16.0%, 500=13.9%, 750=0.9%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,547KiB/s, minb=3,515KiB/s, maxb=3,574KiB/s, mint=29335msec, maxt=29824msec WRITE: io=117MiB, aggrb=5,364KiB/s, minb=1,656KiB/s, maxb=2,053KiB/s, mint=29335msec, maxt=29824msec Disk stats (read/write): sda: ios=4813/2135, merge=1600/513, ticks=510536/242544, in_queue=753080, util=99.47% 2.85user 0.32system 0:30.19elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2401minor)pagefaults 0swaps