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] [ 6092/ 6695 kb/s] [eta 00m:30s] Threads: 3: [mmm] [11.8% done] [ 12295/ 535 kb/s] [eta 00m:30s] Threads: 3: [mmm] [14.7% done] [ 8243/ 5293 kb/s] [eta 00m:29s] Threads: 3: [mmm] [17.1% done] [ 8208/ 3176 kb/s] [eta 00m:29s] Threads: 3: [mmm] [20.0% done] [ 12616/ 0 kb/s] [eta 00m:28s] Threads: 3: [mmm] [22.2% done] [ 9128/ 2260 kb/s] [eta 00m:28s] Threads: 3: [mmm] [25.0% done] [ 4884/ 6524 kb/s] [eta 00m:27s] Threads: 3: [mmm] [27.8% done] [ 4828/ 6172 kb/s] [eta 00m:26s] Threads: 3: [mmm] [29.7% done] [ 5296/ 3573 kb/s] [eta 00m:26s] Threads: 3: [mmm] [31.6% done] [ 4232/ 6500 kb/s] [eta 00m:26s] Threads: 3: [mmm] [33.3% done] [ 5388/ 3756 kb/s] [eta 00m:26s] Threads: 3: [mmm] [36.8% done] [ 4572/ 6104 kb/s] [eta 00m:24s] Threads: 3: [mmm] [38.5% done] [ 4436/ 5520 kb/s] [eta 00m:24s] Threads: 3: [mmm] [40.0% done] [ 7156/ 2316 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.5% done] [ 4224/ 4332 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.9% done] [ 4676/ 5112 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.3% done] [ 4008/ 4988 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.6% done] [ 2728/ 5288 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 4296/ 2324 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.2% done] [ 4248/ 2896 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 5116/ 2020 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 4364/ 2032 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.3% done] [ 1756/ 5416 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.3% done] [ 4196/ 2004 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.2% done] [ 6944/ 0 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.0% done] [ 7572/ 0 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [55.8% done] [ 16700/ 0 kb/s] [eta 00m:23s] Threads: 3: [Vmm] [56.4% done] [ 16268/ 0 kb/s] [eta 00m:24s] Threads: 2: [_mm] [57.1% done] [ 9036/ 3516 kb/s] [eta 00m:24s] Threads: 2: [_mm] [58.9% done] [ 1992/ 4520 kb/s] [eta 00m:23s] Threads: 2: [_mm] [60.7% done] [ 3152/ 3812 kb/s] [eta 00m:22s] Threads: 2: [_mV] [64.8% done] [ 3128/ 3504 kb/s] [eta 00m:19s] Threads: 2: [_mV] [66.7% done] [ 6916/ 4444 kb/s] [eta 00m:18s] Threads: 2: [_VV] [71.2% done] [ 16104/ 0 kb/s] [eta 00m:15s] Threads: 2: [_VV] [76.0% done] [ 17332/ 0 kb/s] [eta 00m:12s] Threads: 2: [_VV] [81.2% done] [ 19932/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [85.1% done] [ 16122/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=4439 read : io=100MiB, bw=3,337KiB/s, runt= 31414msec clat (msec): min= 0, max= 126, avg=11.76, stdev=12.50 bw (KiB/s) : min= 13, max=17932, per=54.89%, avg=4225.00, stdev=4373.96 write: io=39,780KiB, bw=1,410KiB/s, runt= 28888msec clat (msec): min= 0, max= 118, avg=16.61, stdev=13.13 bw (KiB/s) : min= 0, max= 5277, per=67.25%, avg=2512.42, stdev=1697.88 cpu : usr=2.97%, sys=0.27%, ctx=2265 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=23.4%, 4=7.8%, 10=17.8%, 20=20.1%, 50=29.7%, 100=0.9% lat (msec): 250=0.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4440 read : io=100MiB, bw=2,565KiB/s, runt= 40867msec clat (msec): min= 0, max= 294, avg=16.39, stdev=23.78 bw (KiB/s) : min= 31, max=16897, per=39.31%, avg=3025.52, stdev=2932.35 write: io=38,848KiB, bw=1,106KiB/s, runt= 35947msec clat (msec): min= 0, max= 135, avg=14.03, stdev=16.69 bw (KiB/s) : min= 0, max= 6979, per=55.50%, avg=2073.67, stdev=1960.60 cpu : usr=2.33%, sys=0.25%, ctx=2477 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=28.5%, 4=5.9%, 10=13.5%, 20=19.4%, 50=28.6%, 100=1.6% lat (msec): 250=2.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4441 read : io=100MiB, bw=2,593KiB/s, runt= 40434msec clat (msec): min= 0, max= 202, avg=15.59, stdev=24.44 bw (KiB/s) : min= 14, max=15622, per=42.10%, avg=3240.19, stdev=3718.49 write: io=52,552KiB, bw=1,552KiB/s, runt= 34653msec clat (msec): min= 0, max= 169, avg=14.66, stdev=14.48 bw (KiB/s) : min= 0, max= 5474, per=72.14%, avg=2695.06, stdev=1917.19 cpu : usr=2.69%, sys=0.23%, ctx=2497 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=29.9%, 4=4.9%, 10=13.1%, 20=22.0%, 50=26.3%, 100=1.4% lat (msec): 250=2.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,697KiB/s, minb=2,565KiB/s, maxb=3,337KiB/s, mint=31414msec, maxt=40867msec WRITE: io=128MiB, aggrb=3,736KiB/s, minb=1,106KiB/s, maxb=1,552KiB/s, mint=31414msec, maxt=40867msec Disk stats (read/write): sda: ios=5579/2450, merge=851/518, ticks=94832/56272, in_queue=151100, util=99.42% 2.97user 0.43system 0:41.20elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1094minor)pagefaults 0swaps