fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [9.4% done] [ 8388/ 7596 kb/s] [eta 00m:29s] Threads: 3: [mmm] [11.4% done] [ 15480/ 429 kb/s] [eta 00m:31s] Threads: 3: [mmm] [12.8% done] [ 3660/ 12608 kb/s] [eta 00m:34s] Threads: 3: [mmm] [15.4% done] [ 7968/ 5172 kb/s] [eta 00m:33s] Threads: 3: [mmm] [18.4% done] [ 7079/ 6569 kb/s] [eta 00m:31s] Threads: 3: [mmm] [21.6% done] [ 10136/ 2988 kb/s] [eta 00m:29s] Threads: 3: [mmm] [24.3% done] [ 6501/ 6236 kb/s] [eta 00m:28s] Threads: 3: [mmm] [26.3% done] [ 9884/ 2080 kb/s] [eta 00m:28s] Threads: 3: [mmm] [28.2% done] [ 5132/ 6820 kb/s] [eta 00m:28s] Threads: 3: [mmm] [32.4% done] [ 3788/ 9412 kb/s] [eta 00m:25s] Threads: 3: [mmm] [33.3% done] [ 4972/ 7672 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 7948/ 2948 kb/s] [eta 00m:25s] Threads: 3: [mmm] [38.5% done] [ 3632/ 7684 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.0% done] [ 4968/ 7172 kb/s] [eta 00m:23s] Threads: 3: [mmm] [42.5% done] [ 5505/ 4900 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.9% done] [ 2492/ 7400 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.2% done] [ 5340/ 3212 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.5% done] [ 7876/ 364 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.7% done] [ 2364/ 6340 kb/s] [eta 00m:23s] Threads: 3: [mmm] [48.9% done] [ 1400/ 5600 kb/s] [eta 00m:23s] Threads: 3: [mVm] [50.0% done] [ 10432/ 392 kb/s] [eta 00m:23s] Threads: 3: [mVm] [50.0% done] [ 10024/ 2300 kb/s] [eta 00m:24s] Threads: 3: [mVm] [50.0% done] [ 15633/ 353 kb/s] [eta 00m:25s] Threads: 2: [mEm] [51.0% done] [ 18240/ 24 kb/s] [eta 00m:25s] Threads: 2: [m_m] [52.9% done] [ 5197/ 2590 kb/s] [eta 00m:24s] Threads: 2: [m_V] [53.8% done] [ 14384/ 0 kb/s] [eta 00m:24s] Threads: 2: [m_V] [53.7% done] [ 13964/ 0 kb/s] [eta 00m:25s] Threads: 2: [m_V] [54.5% done] [ 15400/ 648 kb/s] [eta 00m:25s] Threads: 1: [m__] [59.6% done] [ 8584/ 3232 kb/s] [eta 00m:21s] Threads: 1: [m__] [65.3% done] [ 4444/ 4556 kb/s] [eta 00m:17s] Threads: 1: [V__] [75.0% done] [ 14884/ 0 kb/s] [eta 00m:11s] Threads: 1: [V__] [89.7% done] [ 22060/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=1678 read : io=100MiB, bw=2,955KiB/s, runt= 35478msec clat (msec): min= 0, max= 253, avg=13.91, stdev=25.61 bw (KiB/s) : min= 4, max=24028, per=38.45%, avg=3409.22, stdev=5312.73 write: io=45,680KiB, bw=1,409KiB/s, runt= 33190msec clat (msec): min= 0, max= 384, avg=16.04, stdev=41.54 bw (KiB/s) : min= 0, max= 6705, per=50.95%, avg=2251.59, stdev=2265.20 cpu : usr=2.55%, sys=0.33%, ctx=2305 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=41.6%, 4=8.6%, 10=21.2%, 20=9.4%, 50=10.5%, 100=5.3% lat (msec): 250=3.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1679 read : io=100MiB, bw=3,928KiB/s, runt= 26689msec clat (msec): min= 0, max= 421, avg= 9.45, stdev=16.02 bw (KiB/s) : min= 18, max=20013, per=53.61%, avg=4753.28, stdev=4938.60 write: io=51,336KiB, bw=2,325KiB/s, runt= 22601msec clat (msec): min= 0, max= 360, avg= 9.44, stdev=25.05 bw (KiB/s) : min= 0, max= 9236, per=66.71%, avg=2947.93, stdev=2596.54 cpu : usr=3.99%, sys=0.37%, ctx=2584 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.3%, 4=6.1%, 10=18.2%, 20=14.9%, 50=11.3%, 100=2.6% lat (msec): 250=0.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1680 read : io=100MiB, bw=3,368KiB/s, runt= 31130msec clat (msec): min= 0, max= 150, avg=11.68, stdev=17.25 bw (KiB/s) : min= 22, max=20103, per=45.77%, avg=4057.62, stdev=4836.29 write: io=46,244KiB, bw=1,707KiB/s, runt= 27734msec clat (msec): min= 0, max= 221, avg=14.47, stdev=30.89 bw (KiB/s) : min= 0, max= 9045, per=62.52%, avg=2762.93, stdev=2727.73 cpu : usr=3.15%, sys=0.45%, ctx=2329 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=35.8%, 4=6.7%, 10=22.6%, 20=16.4%, 50=13.6%, 100=2.9% lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,866KiB/s, minb=2,955KiB/s, maxb=3,928KiB/s, mint=26689msec, maxt=35478msec WRITE: io=140MiB, aggrb=4,419KiB/s, minb=1,409KiB/s, maxb=2,325KiB/s, mint=26689msec, maxt=35478msec Disk stats (read/write): sda: ios=5499/2843, merge=681/230, ticks=73576/117684, in_queue=191260, util=98.39% 3.02user 0.49system 0:35.87elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1077minor)pagefaults 0swaps