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] [8.6% done] [ 8383/ 5027 kb/s] [eta 00m:32s] Threads: 3: [mmm] [11.4% done] [ 5782/ 7895 kb/s] [eta 00m:31s] Threads: 3: [mmm] [14.3% done] [ 8894/ 4721 kb/s] [eta 00m:30s] Threads: 3: [mmm] [17.1% done] [ 12531/ 0 kb/s] [eta 00m:29s] Threads: 3: [mmm] [19.4% done] [ 4790/ 7111 kb/s] [eta 00m:29s] Threads: 3: [mmm] [21.1% done] [ 7830/ 2750 kb/s] [eta 00m:30s] Threads: 3: [mmm] [23.1% done] [ 6505/ 4392 kb/s] [eta 00m:30s] Threads: 3: [mmm] [25.6% done] [ 6440/ 5335 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.2% done] [ 7883/ 1820 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.0% done] [ 8167/ 609 kb/s] [eta 00m:28s] Threads: 3: [mmm] [31.7% done] [ 5436/ 4173 kb/s] [eta 00m:28s] Threads: 3: [mmm] [34.1% done] [ 5506/ 3831 kb/s] [eta 00m:27s] Threads: 3: [mmm] [36.6% done] [ 3271/ 7310 kb/s] [eta 00m:26s] Threads: 3: [mmm] [39.0% done] [ 5518/ 4412 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.5% done] [ 1991/ 7407 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.9% done] [ 4640/ 4859 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.2% done] [ 4067/ 4502 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.5% done] [ 6042/ 2576 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.7% done] [ 3153/ 4453 kb/s] [eta 00m:23s] Threads: 3: [mmm] [50.0% done] [ 4465/ 3248 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.1% done] [ 3076/ 4572 kb/s] [eta 00m:22s] Threads: 3: [mmm] [53.3% done] [ 4356/ 2484 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.3% done] [ 6628/ 768 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.3% done] [ 3788/ 3112 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.2% done] [ 4052/ 1504 kb/s] [eta 00m:21s] Threads: 3: [mmm] [57.1% done] [ 4408/ 1364 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [56.9% done] [ 3900/ 3184 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [57.7% done] [ 14028/ 160 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [57.4% done] [ 14984/ 92 kb/s] [eta 00m:23s] Threads: 2: [_mm] [60.4% done] [ 3728/ 3344 kb/s] [eta 00m:21s] Threads: 2: [_mm] [60.0% done] [ 5964/ 1068 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [60.7% done] [ 8876/ 2604 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [61.4% done] [ 13312/ 824 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [62.1% done] [ 15852/ 0 kb/s] [eta 00m:22s] Threads: 1: [__m] [64.9% done] [ 7132/ 2228 kb/s] [eta 00m:20s] Threads: 1: [__V] [74.5% done] [ 11300/ 1596 kb/s] [eta 00m:13s] Threads: 1: [__V] [84.8% done] [ 17052/ 0 kb/s] [eta 00m:07s] Threads: 1: [__V] [95.2% done] [ 16392/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=31004 read : io=100MiB, bw=3,315KiB/s, runt= 31622msec clat (msec): min= 0, max= 148, avg=14.07, stdev=14.00 bw (KiB/s) : min= 19, max=15102, per=48.91%, avg=3760.08, stdev=3434.80 write: io=30,252KiB, bw=1,056KiB/s, runt= 29318msec clat (msec): min= 0, max= 104, avg=15.30, stdev=13.01 bw (KiB/s) : min= 0, max= 5474, per=74.78%, avg=2342.77, stdev=2042.83 cpu : usr=3.25%, sys=0.29%, ctx=2076 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=20.9%, 4=7.0%, 10=16.9%, 20=19.0%, 50=34.8%, 100=1.0% lat (msec): 250=0.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31005 read : io=100MiB, bw=2,846KiB/s, runt= 36832msec clat (msec): min= 0, max= 195, avg=13.86, stdev=17.98 bw (KiB/s) : min= 14, max=15705, per=44.32%, avg=3406.55, stdev=3989.39 write: io=39,744KiB, bw=1,197KiB/s, runt= 33998msec clat (msec): min= 0, max= 128, avg=16.55, stdev=19.59 bw (KiB/s) : min= 0, max= 7241, per=54.82%, avg=1717.58, stdev=1864.74 cpu : usr=2.63%, sys=0.22%, ctx=2379 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=27.2%, 4=6.5%, 10=15.1%, 20=19.0%, 50=29.2%, 100=1.4% lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31006 read : io=100MiB, bw=2,562KiB/s, runt= 40920msec clat (msec): min= 0, max= 135, avg=15.24, stdev=23.34 bw (KiB/s) : min= 38, max=21921, per=42.56%, avg=3271.30, stdev=4871.88 write: io=46,432KiB, bw=1,249KiB/s, runt= 38043msec clat (msec): min= 0, max= 134, avg=15.80, stdev=17.66 bw (KiB/s) : min= 0, max= 4544, per=58.90%, avg=1845.40, stdev=1576.16 cpu : usr=2.35%, sys=0.27%, ctx=2524 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=30.4%, 4=5.6%, 10=14.1%, 20=17.7%, 50=27.8%, 100=1.5% lat (msec): 250=2.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,687KiB/s, minb=2,562KiB/s, maxb=3,315KiB/s, mint=31622msec, maxt=40920msec WRITE: io=114MiB, aggrb=3,133KiB/s, minb=1,056KiB/s, maxb=1,249KiB/s, mint=31622msec, maxt=40920msec Disk stats (read/write): sda: ios=5553/2260, merge=1248/506, ticks=92760/45664, in_queue=138424, util=98.81% 2.99user 0.41system 0:41.27elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1097minor)pagefaults 0swaps