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] [8.1% done] [ 9809/ 6781 kb/s] [eta 00m:34s] Threads: 3: [mmm] [10.5% done] [ 9171/ 6907 kb/s] [eta 00m:34s] Threads: 3: [mmm] [13.5% done] [ 6448/ 9971 kb/s] [eta 00m:32s] Threads: 3: [mmm] [15.8% done] [ 13080/ 227 kb/s] [eta 00m:32s] Threads: 3: [mmm] [18.4% done] [ 7143/ 7448 kb/s] [eta 00m:31s] Threads: 3: [mmm] [20.0% done] [ 6188/ 7505 kb/s] [eta 00m:32s] Threads: 3: [mmm] [22.0% done] [ 9244/ 4173 kb/s] [eta 00m:32s] Threads: 3: [mmm] [25.0% done] [ 10203/ 3092 kb/s] [eta 00m:30s] Threads: 3: [mmm] [26.8% done] [ 8415/ 2641 kb/s] [eta 00m:30s] Threads: 3: [mmm] [29.3% done] [ 8281/ 3697 kb/s] [eta 00m:29s] Threads: 3: [mmm] [31.0% done] [ 11410/ 479 kb/s] [eta 00m:29s] Threads: 3: [mmm] [33.3% done] [ 9736/ 1280 kb/s] [eta 00m:28s] Threads: 3: [mmm] [36.6% done] [ 7619/ 4884 kb/s] [eta 00m:26s] Threads: 3: [mmm] [40.0% done] [ 1089/ 10666 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.5% done] [ 2425/ 7562 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.9% done] [ 3279/ 6355 kb/s] [eta 00m:24s] Threads: 3: [mmm] [44.2% done] [ 3242/ 5774 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.5% done] [ 5331/ 3401 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.7% done] [ 1592/ 6867 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.8% done] [ 3738/ 4230 kb/s] [eta 00m:24s] Threads: 3: [mmm] [48.9% done] [ 5420/ 845 kb/s] [eta 00m:24s] Threads: 3: [mVm] [50.0% done] [ 12653/ 544 kb/s] [eta 00m:24s] Threads: 3: [mVm] [50.0% done] [ 11609/ 1072 kb/s] [eta 00m:25s] Threads: 3: [mVV] [50.0% done] [ 13616/ 89 kb/s] [eta 00m:26s] Threads: 2: [m_V] [50.9% done] [ 16172/ 459 kb/s] [eta 00m:26s] Threads: 2: [m_V] [51.9% done] [ 15433/ 1401 kb/s] [eta 00m:26s] Threads: 2: [m_V] [51.8% done] [ 15693/ 0 kb/s] [eta 00m:27s] Threads: 1: [m__] [55.6% done] [ 5680/ 5623 kb/s] [eta 00m:24s] Threads: 1: [m__] [62.0% done] [ 3892/ 5331 kb/s] [eta 00m:19s] Threads: 1: [m__] [66.7% done] [ 3401/ 4636 kb/s] [eta 00m:16s] Threads: 1: [V__] [78.6% done] [ 16148/ 455 kb/s] [eta 00m:09s] Threads: 1: [V__] [91.9% done] [ 22300/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=30516 read : io=100MiB, bw=3,014KiB/s, runt= 34782msec clat (msec): min= 0, max= 209, avg=13.48, stdev=25.97 bw (KiB/s) : min= 23, max=23072, per=37.96%, avg=3432.81, stdev=5200.65 write: io=45,720KiB, bw=1,443KiB/s, runt= 32423msec clat (msec): min= 0, max= 434, avg=11.56, stdev=33.63 bw (KiB/s) : min= 0, max=11106, per=59.00%, avg=2440.72, stdev=2882.18 cpu : usr=2.68%, sys=0.24%, ctx=2558 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=48.0%, 4=7.8%, 10=17.3%, 20=9.9%, 50=9.6%, 100=4.2% lat (msec): 250=3.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=30517 read : io=100MiB, bw=3,869KiB/s, runt= 27096msec clat (msec): min= 0, max= 133, avg=10.41, stdev=13.69 bw (KiB/s) : min= 2, max=15232, per=50.12%, avg=4533.05, stdev=3986.03 write: io=45,292KiB, bw=1,996KiB/s, runt= 23228msec clat (msec): min= 0, max= 228, avg=11.28, stdev=24.97 bw (KiB/s) : min= 0, max= 8810, per=76.70%, avg=3173.09, stdev=2749.67 cpu : usr=3.44%, sys=0.40%, ctx=2343 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=37.1%, 4=7.4%, 10=21.6%, 20=17.0%, 50=13.2%, 100=2.8% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=30518 read : io=100MiB, bw=3,516KiB/s, runt= 29822msec clat (msec): min= 0, max= 174, avg=11.54, stdev=17.67 bw (KiB/s) : min= 3, max=17679, per=49.45%, avg=4472.14, stdev=4252.34 write: io=39,992KiB, bw=1,610KiB/s, runt= 25423msec clat (msec): min= 0, max= 231, avg=10.55, stdev=25.51 bw (KiB/s) : min= 0, max= 8536, per=68.83%, avg=2847.42, stdev=2664.83 cpu : usr=3.19%, sys=0.36%, ctx=2471 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=40.1%, 4=7.0%, 10=19.4%, 20=16.8%, 50=12.5%, 100=2.5% lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=9,044KiB/s, minb=3,014KiB/s, maxb=3,869KiB/s, mint=27096msec, maxt=34782msec WRITE: io=128MiB, aggrb=4,137KiB/s, minb=1,443KiB/s, maxb=1,996KiB/s, mint=27096msec, maxt=34782msec Disk stats (read/write): sda: ios=5563/2825, merge=1010/201, ticks=77260/38360, in_queue=115624, util=98.18% 2.82user 0.44system 0:35.12elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1075minor)pagefaults 0swaps