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] [10.7% done] [ 7840/ 9292 kb/s] [eta 00m:25s] Threads: 3: [mmm] [13.3% done] [ 9944/ 6316 kb/s] [eta 00m:26s] Threads: 3: [mmm] [14.7% done] [ 8152/ 6468 kb/s] [eta 00m:29s] Threads: 3: [mmm] [17.1% done] [ 7636/ 6088 kb/s] [eta 00m:29s] Threads: 3: [mmm] [18.4% done] [ 7916/ 6888 kb/s] [eta 00m:31s] Threads: 3: [mmm] [20.0% done] [ 7344/ 5460 kb/s] [eta 00m:32s] Threads: 3: [mmm] [22.5% done] [ 8384/ 4352 kb/s] [eta 00m:31s] Threads: 3: [mmm] [26.3% done] [ 5792/ 7884 kb/s] [eta 00m:28s] Threads: 3: [mmm] [29.7% done] [ 6824/ 6048 kb/s] [eta 00m:26s] Threads: 3: [mmm] [32.4% done] [ 5028/ 8480 kb/s] [eta 00m:25s] Threads: 3: [mmm] [35.1% done] [ 8108/ 3412 kb/s] [eta 00m:24s] Threads: 3: [mmm] [36.8% done] [ 3996/ 7396 kb/s] [eta 00m:24s] Threads: 3: [mmm] [38.5% done] [ 4868/ 5556 kb/s] [eta 00m:24s] Threads: 3: [mmm] [40.0% done] [ 6964/ 3200 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.5% done] [ 4384/ 4864 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.9% done] [ 4308/ 6000 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.3% done] [ 4068/ 5044 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 1804/ 8356 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 3888/ 3676 kb/s] [eta 00m:20s] Threads: 3: [mmm] [51.2% done] [ 3560/ 2788 kb/s] [eta 00m:21s] Threads: 3: [mVm] [52.3% done] [ 7120/ 0 kb/s] [eta 00m:21s] Threads: 3: [mVm] [52.2% done] [ 13356/ 0 kb/s] [eta 00m:22s] Threads: 3: [mVm] [53.2% done] [ 13908/ 288 kb/s] [eta 00m:22s] Threads: 3: [mVm] [53.1% done] [ 13756/ 468 kb/s] [eta 00m:23s] Threads: 2: [m_m] [56.2% done] [ 1953/ 6537 kb/s] [eta 00m:21s] Threads: 2: [m_V] [58.3% done] [ 9149/ 3843 kb/s] [eta 00m:20s] Threads: 2: [m_V] [59.2% done] [ 16427/ 35 kb/s] [eta 00m:20s] Threads: 2: [m_V] [58.5% done] [ 17597/ 82 kb/s] [eta 00m:22s] Threads: 1: [m__] [64.0% done] [ 4698/ 7372 kb/s] [eta 00m:18s] Threads: 1: [V__] [73.3% done] [ 7813/ 4875 kb/s] [eta 00m:12s] Threads: 1: [V__] [91.9% done] [ 28104/ 0 kb/s] [eta 00m:03s] Threads: 1: [V__] [100.0% done] [ 28581/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=14501 read : io=100MiB, bw=2,978KiB/s, runt= 35203msec clat (msec): min= 0, max= 226, avg=10.77, stdev=24.65 bw (KiB/s) : min= 63, max=31997, per=48.74%, avg=4355.02, stdev=8529.71 write: io=70,268KiB, bw=2,212KiB/s, runt= 32525msec clat (msec): min= 0, max= 420, avg=12.68, stdev=38.87 bw (KiB/s) : min= 0, max= 9898, per=58.58%, avg=2939.52, stdev=2924.00 cpu : usr=3.11%, sys=0.32%, ctx=2856 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=59.2%, 4=6.1%, 10=13.0%, 20=7.7%, 50=7.1%, 100=3.9% lat (msec): 250=2.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14502 read : io=100MiB, bw=3,917KiB/s, runt= 26766msec clat (msec): min= 0, max= 112, avg=10.53, stdev=12.79 bw (KiB/s) : min= 9, max=14852, per=50.29%, avg=4493.54, stdev=3871.06 write: io=41,860KiB, bw=1,860KiB/s, runt= 23044msec clat (msec): min= 0, max= 252, avg=10.75, stdev=25.47 bw (KiB/s) : min= 0, max= 7492, per=59.33%, avg=2977.04, stdev=2629.60 cpu : usr=3.65%, sys=0.42%, ctx=2314 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=36.0%, 4=7.5%, 10=22.4%, 20=17.7%, 50=13.0%, 100=2.7% lat (msec): 250=0.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14503 read : io=100MiB, bw=3,369KiB/s, runt= 31120msec clat (msec): min= 0, max= 162, avg=11.94, stdev=18.12 bw (KiB/s) : min= 6, max=19292, per=44.15%, avg=3944.96, stdev=5064.65 write: io=47,260KiB, bw=1,735KiB/s, runt= 27888msec clat (msec): min= 0, max= 225, avg=11.05, stdev=25.20 bw (KiB/s) : min= 0, max= 8433, per=55.69%, avg=2794.77, stdev=2858.13 cpu : usr=3.02%, sys=0.26%, ctx=2496 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=39.8%, 4=6.7%, 10=18.5%, 20=17.1%, 50=13.2%, 100=3.4% lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,935KiB/s, minb=2,978KiB/s, maxb=3,917KiB/s, mint=26766msec, maxt=35203msec WRITE: io=156MiB, aggrb=5,018KiB/s, minb=1,735KiB/s, maxb=2,212KiB/s, mint=26766msec, maxt=35203msec Disk stats (read/write): sda: ios=5546/3249, merge=853/249, ticks=67044/83888, in_queue=150932, util=97.55% 3.02user 0.45system 0:35.72elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1082minor)pagefaults 0swaps