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] [10.7% done] [ 17561/ 1012 kb/s] [eta 00m:25s] Threads: 3: [mmm] [16.0% done] [ 11673/ 8794 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.8% done] [ 6073/ 11035 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 12394/ 4604 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 10259/ 4694 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 12484/ 3454 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 11768/ 3477 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 11523/ 3847 kb/s] [eta 00m:17s] Threads: 3: [mmm] [39.3% done] [ 6041/ 6825 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 11185/ 2949 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 9578/ 5005 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 10436/ 2174 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 7660/ 3347 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 3627/ 7467 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 5423/ 5379 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 8093/ 3201 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 7396/ 2816 kb/s] [eta 00m:12s] Threads: 3: [mVm] [62.5% done] [ 9818/ 2209 kb/s] [eta 00m:12s] Threads: 3: [mVm] [63.6% done] [ 12158/ 1153 kb/s] [eta 00m:12s] Threads: 2: [m_m] [66.7% done] [ 8278/ 1472 kb/s] [eta 00m:11s] Threads: 2: [V_V] [71.9% done] [ 18368/ 137 kb/s] [eta 00m:09s] Threads: 2: [V_V] [77.4% done] [ 20448/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [86.2% done] [ 20188/ 0 kb/s] [eta 00m:04s] Threads: 2: [V_V] [90.0% done] [ 19243/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=13382 read : io=100MiB, bw=3,895KiB/s, runt= 26921msec slat (msec): min= 0, max= 4062, avg=712.73, stdev=1176.41 clat (msec): min= 2, max= 812, avg=87.29, stdev=82.60 bw (KiB/s) : min= 2, max=12491, per=36.55%, avg=4221.41, stdev=3230.73 write: io=34,748KiB, bw=1,557KiB/s, runt= 22839msec slat (msec): min= 0, max= 9, avg= 0.15, stdev= 0.77 clat (msec): min= 0, max= 875, avg=125.62, stdev=131.47 bw (KiB/s) : min= 0, max= 6826, per=50.36%, avg=2308.04, stdev=1801.14 cpu : usr=3.51%, sys=0.25%, ctx=1770 IO depths : 1=0.1%, 2=0.2%, 4=12.7%, 8=86.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.5%, 10=3.7%, 20=13.8%, 50=20.9%, 100=22.0% lat (msec): 250=32.1%, 500=5.3%, 750=0.6%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13383 read : io=100MiB, bw=4,809KiB/s, runt= 21801msec slat (msec): min= 0, max= 1655, avg=157.42, stdev=390.60 clat (msec): min= 3, max= 691, avg=86.74, stdev=72.07 bw (KiB/s) : min= 124, max=13042, per=43.57%, avg=5032.70, stdev=2622.70 write: io=15,912KiB, bw=808KiB/s, runt= 20164msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.28 clat (msec): min= 0, max= 539, avg=119.86, stdev=98.45 bw (KiB/s) : min= 0, max= 5682, per=43.57%, avg=1997.00, stdev=1889.38 cpu : usr=3.91%, sys=0.28%, ctx=1672 IO depths : 1=0.2%, 2=0.2%, 4=8.7%, 8=91.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.3%, 10=1.6%, 20=9.2%, 50=21.4%, 100=31.9% lat (msec): 250=31.2%, 500=3.7%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13384 read : io=100MiB, bw=3,850KiB/s, runt= 27232msec slat (msec): min= 0, max= 4856, avg=1370.73, stdev=1693.97 clat (msec): min= 0, max= 457, avg=73.24, stdev=63.97 bw (KiB/s) : min= 3, max=16804, per=40.42%, avg=4668.78, stdev=4433.36 write: io=51,576KiB, bw=2,314KiB/s, runt= 22820msec slat (msec): min= 0, max= 9, avg= 0.09, stdev= 0.60 clat (msec): min= 0, max= 877, avg=109.28, stdev=128.34 bw (KiB/s) : min= 0, max= 8348, per=66.28%, avg=3037.74, stdev=2673.19 cpu : usr=3.86%, sys=0.28%, ctx=1934 IO depths : 1=0.1%, 2=0.2%, 4=16.6%, 8=83.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.2%, 4=1.0%, 10=5.3%, 20=13.5%, 50=21.0%, 100=24.8% lat (msec): 250=28.1%, 500=3.3%, 750=0.3%, 1000=0.4%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,551KiB/s, minb=3,850KiB/s, maxb=4,809KiB/s, mint=21801msec, maxt=27232msec WRITE: io=100MiB, aggrb=4,583KiB/s, minb=808KiB/s, maxb=2,314KiB/s, mint=21801msec, maxt=27232msec Disk stats (read/write): sda: ios=4980/1729, merge=1392/448, ticks=433128/216724, in_queue=649852, util=99.37% 2.90user 0.28system 0:27.56elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2389minor)pagefaults 0swaps