fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [5.0% done] [ 3111/ 6592 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3887/ 3446 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4883/ 2816 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 7294/ 937 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.9% done] [ 8463/ 0 kb/s] [eta 00m:52s] Threads: 3: [mmm] [13.3% done] [ 2898/ 4548 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3808/ 3426 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5214/ 0 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6640/ 1658 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 3954/ 4261 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2359/ 3335 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 1602/ 6596 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2867/ 3615 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3170/ 4088 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2567/ 5450 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4391/ 2910 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 6585/ 531 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4844/ 689 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2902/ 1918 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3371/ 2024 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2705/ 1753 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2372/ 3084 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3308/ 2156 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3856/ 608 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 808/ 4080 kb/s] [eta 00m:33s] Threads: 3: [mmm] [48.3% done] [ 1592/ 448 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2948/ 0 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1648/ 748 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1372/ 516 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1768/ 120 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 640/ 1924 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1532/ 756 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1704/ 520 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1600/ 592 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2616/ 600 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2072/ 408 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1948/ 388 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 636/ 1904 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1552/ 296 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1368/ 604 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1256/ 1208 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1976/ 248 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1068/ 592 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1856/ 184 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 588/ 1624 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1336/ 732 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1516/ 996 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1816/ 344 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 696/ 1372 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1056/ 1448 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 844/ 1764 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 764/ 1648 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1208/ 1160 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1576/ 88 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2192/ 368 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2148/ 504 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 216/ 1052 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=8294 read : io=40,832KiB, bw=645KiB/s, runt= 64767msec clat (msec): min= 0, max= 608, avg=73.95, stdev=115.46 bw (KiB/s) : min= 6, max= 3848, per=33.44%, avg=813.29, stdev=890.23 write: io=39,468KiB, bw=624KiB/s, runt= 64763msec clat (msec): min= 0, max= 638, avg=44.02, stdev=85.01 bw (KiB/s) : min= 0, max= 7994, per=72.51%, avg=1188.47, stdev=1662.08 cpu : usr=0.98%, sys=0.35%, ctx=6869 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=50.0%, 4=0.8%, 10=2.3%, 20=5.4%, 50=8.9%, 100=10.8% lat (msec): 250=14.6%, 500=6.1%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=8295 read : io=61,748KiB, bw=976KiB/s, runt= 64746msec clat (msec): min= 0, max= 744, avg=43.40, stdev=77.71 bw (KiB/s) : min= 3, max= 5039, per=53.13%, avg=1292.19, stdev=1212.96 write: io=30,604KiB, bw=484KiB/s, runt= 64741msec clat (msec): min= 0, max= 462, avg=51.63, stdev=87.87 bw (KiB/s) : min= 0, max= 4304, per=50.73%, avg=831.44, stdev=961.55 cpu : usr=1.08%, sys=0.38%, ctx=7907 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=51.5%, 4=0.6%, 10=3.3%, 20=6.9%, 50=9.3%, 100=10.7% lat (msec): 250=13.9%, 500=3.4%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=8296 read : io=51,304KiB, bw=811KiB/s, runt= 64751msec clat (msec): min= 0, max= 747, avg=59.69, stdev=89.35 bw (KiB/s) : min= 6, max= 4267, per=42.57%, avg=1035.25, stdev=975.66 write: io=33,628KiB, bw=531KiB/s, runt= 64746msec clat (msec): min= 0, max= 462, avg=47.93, stdev=78.67 bw (KiB/s) : min= 0, max= 4088, per=67.55%, avg=1107.18, stdev=1288.42 cpu : usr=1.05%, sys=0.32%, ctx=9084 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=44.9%, 4=0.7%, 10=3.6%, 20=7.7%, 50=7.7%, 100=13.0% lat (msec): 250=18.0%, 500=3.7%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=150MiB, aggrb=2,432KiB/s, minb=645KiB/s, maxb=976KiB/s, mint=64746msec, maxt=64767msec WRITE: io=101MiB, aggrb=1,639KiB/s, minb=484KiB/s, maxb=624KiB/s, mint=64746msec, maxt=64767msec Disk stats (read/write): sda: ios=23859/1214, merge=78/24770, ticks=181468/4776872, in_queue=4958340, util=99.78% 2.02user 0.73system 1:05.01elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (23785major+41782minor)pagefaults 0swaps