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] [ 13064/ 2432 kb/s] [eta 00m:32s] Threads: 3: [mmm] [11.4% done] [ 10036/ 4800 kb/s] [eta 00m:31s] Threads: 3: [mmm] [15.2% done] [ 8036/ 7684 kb/s] [eta 00m:28s] Threads: 3: [mmm] [16.7% done] [ 11376/ 3168 kb/s] [eta 00m:30s] Threads: 3: [mmm] [16.7% done] [ 11764/ 4 kb/s] [eta 00m:35s] Threads: 3: [mmm] [19.0% done] [ 7584/ 6724 kb/s] [eta 00m:34s] Threads: 3: [mmm] [21.4% done] [ 10044/ 3220 kb/s] [eta 00m:33s] Threads: 3: [mmm] [24.4% done] [ 11700/ 124 kb/s] [eta 00m:31s] Threads: 3: [mmm] [26.2% done] [ 6180/ 5488 kb/s] [eta 00m:31s] Threads: 3: [mmm] [27.9% done] [ 5108/ 7340 kb/s] [eta 00m:31s] Threads: 3: [mmm] [29.5% done] [ 7328/ 4556 kb/s] [eta 00m:31s] Threads: 3: [mmm] [31.8% done] [ 9376/ 1240 kb/s] [eta 00m:30s] Threads: 3: [mmm] [33.3% done] [ 3032/ 9016 kb/s] [eta 00m:30s] Threads: 3: [mmm] [35.6% done] [ 1920/ 9108 kb/s] [eta 00m:29s] Threads: 3: [mmm] [37.8% done] [ 3596/ 7224 kb/s] [eta 00m:28s] Threads: 3: [mmm] [40.0% done] [ 4800/ 4420 kb/s] [eta 00m:27s] Threads: 3: [mmm] [43.2% done] [ 5048/ 4220 kb/s] [eta 00m:25s] Threads: 3: [mmm] [44.4% done] [ 4584/ 4340 kb/s] [eta 00m:25s] Threads: 3: [mmm] [44.7% done] [ 2292/ 5756 kb/s] [eta 00m:26s] Threads: 3: [mVm] [45.8% done] [ 15332/ 0 kb/s] [eta 00m:26s] Threads: 3: [mVm] [46.0% done] [ 10680/ 912 kb/s] [eta 00m:27s] Threads: 3: [mVm] [47.1% done] [ 12568/ 732 kb/s] [eta 00m:27s] Threads: 2: [m_m] [49.0% done] [ 7264/ 5304 kb/s] [eta 00m:26s] Threads: 2: [m_m] [50.0% done] [ 2992/ 5400 kb/s] [eta 00m:26s] Threads: 2: [m_V] [51.9% done] [ 7036/ 1476 kb/s] [eta 00m:25s] Threads: 2: [m_V] [52.8% done] [ 16624/ 180 kb/s] [eta 00m:25s] Threads: 2: [m_V] [53.7% done] [ 18220/ 1184 kb/s] [eta 00m:25s] Threads: 1: [m__] [56.6% done] [ 10080/ 2672 kb/s] [eta 00m:23s] Threads: 1: [m__] [62.0% done] [ 5532/ 2380 kb/s] [eta 00m:19s] Threads: 1: [m__] [66.7% done] [ 1812/ 6576 kb/s] [eta 00m:16s] Threads: 1: [V__] [77.3% done] [ 14100/ 404 kb/s] [eta 00m:10s] Threads: 1: [V__] [87.5% done] [ 15808/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=12519 read : io=100MiB, bw=2,966KiB/s, runt= 35348msec clat (msec): min= 0, max= 188, avg=13.13, stdev=24.18 bw (KiB/s) : min= 12, max=16849, per=38.60%, avg=3434.67, stdev=3959.64 write: io=37,056KiB, bw=1,152KiB/s, runt= 32916msec clat (msec): min= 0, max= 933, avg=12.98, stdev=53.67 bw (KiB/s) : min= 0, max= 9726, per=56.40%, avg=2213.12, stdev=2646.77 cpu : usr=2.61%, sys=0.31%, ctx=2555 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=44.1%, 4=7.9%, 10=20.4%, 20=11.1%, 50=10.0%, 100=3.5% lat (msec): 250=2.8%, 500=0.0%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12520 read : io=100MiB, bw=4,173KiB/s, runt= 25124msec clat (msec): min= 0, max= 112, avg= 9.59, stdev=12.14 bw (KiB/s) : min= 83, max=14524, per=56.76%, avg=5051.30, stdev=4045.12 write: io=41,920KiB, bw=2,004KiB/s, runt= 21412msec clat (msec): min= 0, max= 181, avg= 8.63, stdev=22.08 bw (KiB/s) : min= 0, max= 6996, per=81.14%, avg=3183.95, stdev=2783.93 cpu : usr=3.95%, sys=0.59%, ctx=2472 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=43.4%, 4=6.4%, 10=18.5%, 20=18.1%, 50=10.9%, 100=2.1% lat (msec): 250=0.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12521 read : io=100MiB, bw=3,454KiB/s, runt= 30355msec clat (msec): min= 0, max= 138, avg=10.65, stdev=15.81 bw (KiB/s) : min= 14, max=18877, per=46.28%, avg=4118.24, stdev=4725.82 write: io=47,168KiB, bw=1,784KiB/s, runt= 27066msec clat (msec): min= 0, max= 329, avg=13.42, stdev=32.62 bw (KiB/s) : min= 0, max= 8342, per=69.42%, avg=2724.07, stdev=2672.63 cpu : usr=3.40%, sys=0.32%, ctx=2457 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=39.1%, 4=7.4%, 10=20.9%, 20=16.2%, 50=11.8%, 100=2.9% 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=8,899KiB/s, minb=2,966KiB/s, maxb=4,173KiB/s, mint=25124msec, maxt=35348msec WRITE: io=123MiB, aggrb=3,924KiB/s, minb=1,152KiB/s, maxb=2,004KiB/s, mint=25124msec, maxt=35348msec Disk stats (read/write): sda: ios=5603/2848, merge=750/128, ticks=69364/62792, in_queue=132156, util=98.03% 2.95user 0.50system 0:35.86elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1073minor)pagefaults 0swaps