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] [9.1% done] [ 7529/ 9809 kb/s] [eta 00m:30s] Threads: 3: [mmm] [12.1% done] [ 10077/ 5867 kb/s] [eta 00m:29s] Threads: 3: [mmm] [14.7% done] [ 5473/ 12243 kb/s] [eta 00m:29s] Threads: 3: [mmm] [18.2% done] [ 11182/ 3193 kb/s] [eta 00m:27s] Threads: 3: [mmm] [20.0% done] [ 10812/ 3084 kb/s] [eta 00m:28s] Threads: 3: [mmm] [21.1% done] [ 8773/ 5156 kb/s] [eta 00m:30s] Threads: 3: [mmm] [22.5% done] [ 3478/ 8695 kb/s] [eta 00m:31s] Threads: 3: [mmm] [25.6% done] [ 8634/ 3043 kb/s] [eta 00m:29s] Threads: 3: [mmm] [27.5% done] [ 9382/ 2933 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.6% done] [ 8240/ 3258 kb/s] [eta 00m:30s] Threads: 3: [mmm] [30.2% done] [ 2027/ 9931 kb/s] [eta 00m:30s] Threads: 3: [mmm] [32.6% done] [ 5847/ 6229 kb/s] [eta 00m:29s] Threads: 3: [mmm] [34.9% done] [ 6570/ 4803 kb/s] [eta 00m:28s] Threads: 3: [mmm] [38.1% done] [ 7529/ 3193 kb/s] [eta 00m:26s] Threads: 3: [mmm] [40.5% done] [ 4254/ 5957 kb/s] [eta 00m:25s] Threads: 3: [mmm] [42.9% done] [ 2064/ 7501 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.2% done] [ 4859/ 4112 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.5% done] [ 3232/ 6205 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.7% done] [ 3352/ 4920 kb/s] [eta 00m:23s] Threads: 3: [mmm] [48.9% done] [ 2722/ 4087 kb/s] [eta 00m:23s] Threads: 3: [mmm] [48.9% done] [ 3023/ 3588 kb/s] [eta 00m:24s] Threads: 3: [mVm] [53.3% done] [ 5144/ 5213 kb/s] [eta 00m:21s] Threads: 3: [mVm] [53.2% done] [ 10812/ 853 kb/s] [eta 00m:22s] Threads: 3: [mVm] [54.2% done] [ 13775/ 430 kb/s] [eta 00m:22s] Threads: 2: [mEm] [54.0% done] [ 12385/ 337 kb/s] [eta 00m:23s] Threads: 2: [m_V] [56.0% done] [ 6615/ 2832 kb/s] [eta 00m:22s] Threads: 2: [m_V] [56.9% done] [ 20354/ 16 kb/s] [eta 00m:22s] Threads: 2: [m_V] [56.6% done] [ 20382/ 658 kb/s] [eta 00m:23s] Threads: 1: [m__] [59.6% done] [ 13392/ 2094 kb/s] [eta 00m:21s] Threads: 1: [m__] [65.3% done] [ 7700/ 820 kb/s] [eta 00m:17s] Threads: 1: [V__] [71.7% done] [ 7350/ 3092 kb/s] [eta 00m:13s] Threads: 1: [V__] [85.0% done] [ 20419/ 0 kb/s] [eta 00m:06s] Threads: 1: [V__] [97.2% done] [ 20443/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=28313 read : io=100MiB, bw=2,962KiB/s, runt= 35390msec clat (msec): min= 0, max= 176, avg=12.27, stdev=22.88 bw (KiB/s) : min= 7, max=21649, per=41.27%, avg=3668.14, stdev=5376.67 write: io=47,068KiB, bw=1,463KiB/s, runt= 32930msec clat (msec): min= 0, max= 594, avg=17.02, stdev=46.39 bw (KiB/s) : min= 0, max= 7818, per=47.53%, avg=2094.79, stdev=2252.76 cpu : usr=2.72%, sys=0.16%, ctx=2434 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=43.7%, 4=8.2%, 10=20.4%, 20=10.0%, 50=10.2%, 100=3.9% lat (msec): 250=3.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28314 read : io=100MiB, bw=3,849KiB/s, runt= 27241msec clat (msec): min= 0, max= 115, avg=10.88, stdev=12.89 bw (KiB/s) : min= 7, max=14030, per=50.04%, avg=4447.86, stdev=3569.23 write: io=37,424KiB, bw=1,642KiB/s, runt= 23325msec clat (msec): min= 0, max= 308, avg=10.13, stdev=28.23 bw (KiB/s) : min= 0, max= 9625, per=62.90%, avg=2772.09, stdev=2728.37 cpu : usr=3.26%, sys=0.41%, ctx=2328 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=36.2%, 4=6.5%, 10=22.7%, 20=18.2%, 50=13.2%, 100=2.5% lat (msec): 250=0.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28315 read : io=100MiB, bw=3,368KiB/s, runt= 31126msec clat (msec): min= 0, max= 316, avg= 9.93, stdev=19.07 bw (KiB/s) : min= 15, max=23601, per=52.33%, avg=4650.82, stdev=6069.71 write: io=57,244KiB, bw=2,133KiB/s, runt= 27478msec clat (msec): min= 0, max= 315, avg=11.83, stdev=27.41 bw (KiB/s) : min= 0, max= 8020, per=73.79%, avg=3252.06, stdev=2794.62 cpu : usr=3.61%, sys=0.33%, ctx=2727 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=6.1%, 10=17.3%, 20=13.1%, 50=10.6%, 100=3.3% lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,888KiB/s, minb=2,962KiB/s, maxb=3,849KiB/s, mint=27241msec, maxt=35390msec WRITE: io=138MiB, aggrb=4,407KiB/s, minb=1,463KiB/s, maxb=2,133KiB/s, mint=27241msec, maxt=35390msec Disk stats (read/write): sda: ios=5561/3023, merge=835/298, ticks=68060/86052, in_queue=154108, util=98.46% 2.98user 0.32system 0:35.73elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1103minor)pagefaults 0swaps