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] [8.3% done] [ 9388/ 7168 kb/s] [eta 00m:33s] Threads: 3: [mmm] [12.9% done] [ 6652/ 9568 kb/s] [eta 00m:27s] Threads: 3: [mmm] [15.2% done] [ 11220/ 3632 kb/s] [eta 00m:28s] Threads: 3: [mmm] [17.6% done] [ 6660/ 7808 kb/s] [eta 00m:28s] Threads: 3: [mmm] [19.4% done] [ 7708/ 4088 kb/s] [eta 00m:29s] Threads: 3: [mmm] [22.2% done] [ 9872/ 3808 kb/s] [eta 00m:28s] Threads: 3: [mmm] [24.3% done] [ 12428/ 1020 kb/s] [eta 00m:28s] Threads: 3: [mmm] [27.0% done] [ 4804/ 8284 kb/s] [eta 00m:27s] Threads: 3: [mmm] [30.6% done] [ 6024/ 5576 kb/s] [eta 00m:25s] Threads: 3: [mmm] [32.4% done] [ 6904/ 5128 kb/s] [eta 00m:25s] Threads: 3: [mmm] [33.3% done] [ 4344/ 7856 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 4016/ 6500 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 6172/ 4896 kb/s] [eta 00m:25s] Threads: 3: [mmm] [39.0% done] [ 4036/ 6776 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.5% done] [ 5096/ 4336 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.9% done] [ 5124/ 3684 kb/s] [eta 00m:24s] Threads: 3: [mmm] [44.2% done] [ 4168/ 3536 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.5% done] [ 2848/ 5796 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.7% done] [ 1156/ 7640 kb/s] [eta 00m:23s] Threads: 3: [mmm] [50.0% done] [ 6188/ 1444 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.1% done] [ 3980/ 3764 kb/s] [eta 00m:22s] Threads: 3: [mmm] [52.2% done] [ 4372/ 2732 kb/s] [eta 00m:22s] Threads: 3: [mVm] [53.2% done] [ 13404/ 948 kb/s] [eta 00m:22s] Threads: 3: [mVV] [53.1% done] [ 12656/ 0 kb/s] [eta 00m:23s] Threads: 3: [mVV] [52.9% done] [ 13768/ 12 kb/s] [eta 00m:24s] Threads: 2: [mEV] [53.8% done] [ 19540/ 140 kb/s] [eta 00m:24s] Threads: 2: [m_V] [53.7% done] [ 18204/ 0 kb/s] [eta 00m:25s] Threads: 2: [m_V] [53.6% done] [ 18412/ 328 kb/s] [eta 00m:26s] Threads: 1: [m__] [58.5% done] [ 5936/ 4020 kb/s] [eta 00m:22s] Threads: 1: [m__] [64.0% done] [ 5468/ 3824 kb/s] [eta 00m:18s] Threads: 1: [V__] [71.7% done] [ 7688/ 4252 kb/s] [eta 00m:13s] Threads: 1: [V__] [85.4% done] [ 18916/ 0 kb/s] [eta 00m:06s] fio: (groupid=0): err= 0: pid=22555 read : io=100MiB, bw=2,930KiB/s, runt= 35776msec clat (msec): min= 0, max= 348, avg=13.39, stdev=26.92 bw (KiB/s) : min= 2, max=19651, per=37.30%, avg=3279.10, stdev=4708.58 write: io=44,752KiB, bw=1,374KiB/s, runt= 33343msec clat (msec): min= 0, max= 618, avg=13.67, stdev=46.20 bw (KiB/s) : min= 0, max= 9224, per=49.04%, avg=2115.80, stdev=2345.34 cpu : usr=2.64%, sys=0.30%, ctx=2509 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=44.8%, 4=8.5%, 10=19.2%, 20=10.9%, 50=9.6%, 100=4.0% lat (msec): 250=2.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22556 read : io=100MiB, bw=3,660KiB/s, runt= 28649msec clat (msec): min= 0, max= 150, avg=10.84, stdev=14.59 bw (KiB/s) : min= 15, max=13743, per=50.20%, avg=4413.65, stdev=3730.50 write: io=43,996KiB, bw=1,895KiB/s, runt= 23763msec clat (msec): min= 0, max= 528, avg=10.75, stdev=30.81 bw (KiB/s) : min= 0, max= 8888, per=68.05%, avg=2935.83, stdev=2930.71 cpu : usr=3.32%, sys=0.28%, ctx=2383 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=36.1%, 4=7.4%, 10=22.6%, 20=17.5%, 50=12.8%, 100=2.6% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22557 read : io=100MiB, bw=3,381KiB/s, runt= 31012msec clat (msec): min= 0, max= 150, avg=10.29, stdev=17.64 bw (KiB/s) : min= 20, max=19667, per=49.63%, avg=4363.71, stdev=5249.56 write: io=51,732KiB, bw=2,054KiB/s, runt= 25787msec clat (msec): min= 0, max= 235, avg=11.85, stdev=28.25 bw (KiB/s) : min= 0, max= 8065, per=71.28%, avg=3074.90, stdev=2495.17 cpu : usr=3.28%, sys=0.41%, ctx=2638 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=44.7%, 4=7.3%, 10=18.3%, 20=14.0%, 50=11.0%, 100=2.9% lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,792KiB/s, minb=2,930KiB/s, maxb=3,660KiB/s, mint=28649msec, maxt=35776msec WRITE: io=137MiB, aggrb=4,314KiB/s, minb=1,374KiB/s, maxb=2,054KiB/s, mint=28649msec, maxt=35776msec Disk stats (read/write): sda: ios=5645/3001, merge=780/232, ticks=74680/78828, in_queue=153504, util=97.84% 2.94user 0.42system 0:36.26elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1085minor)pagefaults 0swaps