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] [ 5587/ 1926 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5079/ 1686 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 6855/ 1812 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5961/ 2048 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4668/ 2084 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5553/ 3565 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5813/ 1901 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4728/ 3252 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 5268/ 1288 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2040/ 3492 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3528/ 3152 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3772/ 3584 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4396/ 844 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 1832/ 3776 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3300/ 3868 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5508/ 1056 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5316/ 996 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3412/ 1852 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2968/ 5192 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 5292/ 1604 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3320/ 2480 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4132/ 1584 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1808/ 4880 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1728/ 2668 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1848/ 2000 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1120/ 1492 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 740/ 2488 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2048/ 828 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 876/ 3144 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1320/ 744 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1604/ 756 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1748/ 296 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1516/ 956 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1544/ 556 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1608/ 636 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 728/ 1220 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1628/ 360 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1732/ 68 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 464/ 1760 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1548/ 668 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1120/ 252 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1404/ 2016 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2100/ 196 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1372/ 576 kb/s] [eta 00m:14s] Threads: 3: [mmm] [80.0% done] [ 1136/ 1208 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1288/ 1072 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 168/ 2260 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1044/ 1000 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1492/ 488 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1484/ 484 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1696/ 732 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 740/ 1016 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 836/ 1392 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1776/ 492 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1460/ 684 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1360/ 368 kb/s] [eta 00m:01s] Threads: 3: [mFF] [100.0% done] [ 2088/ 304 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 68/ 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: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1367 read : io=51,544KiB, bw=817KiB/s, runt= 64594msec clat (msec): min= 0, max= 810, avg=62.31, stdev=107.05 bw (KiB/s) : min= 9, max= 4512, per=44.10%, avg=1091.37, stdev=1074.48 write: io=27,512KiB, bw=436KiB/s, runt= 64590msec clat (msec): min= 0, max= 1083, avg=67.11, stdev=124.81 bw (KiB/s) : min= 0, max= 5636, per=50.70%, avg=766.06, stdev=1036.05 cpu : usr=0.98%, sys=0.28%, ctx=6823 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=48.5%, 4=0.4%, 10=2.6%, 20=6.1%, 50=8.6%, 100=11.9% lat (msec): 250=14.1%, 500=6.3%, 750=0.8%, 1000=0.1%, >=2000=0.1% fio: (groupid=0): err= 0: pid=1368 read : io=54,928KiB, bw=870KiB/s, runt= 64600msec clat (msec): min= 0, max= 485, avg=50.46, stdev=80.72 bw (KiB/s) : min= 5, max= 4139, per=44.33%, avg=1097.28, stdev=1069.29 write: io=33,532KiB, bw=531KiB/s, runt= 64595msec clat (msec): min= 0, max= 570, avg=49.94, stdev=77.63 bw (KiB/s) : min= 0, max= 4083, per=62.02%, avg=937.07, stdev=1104.87 cpu : usr=1.03%, sys=0.43%, ctx=8647 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=47.6%, 4=0.8%, 10=3.2%, 20=6.5%, 50=9.2%, 100=12.2% lat (msec): 250=16.8%, 500=3.2%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1369 read : io=49,684KiB, bw=792KiB/s, runt= 64182msec clat (msec): min= 0, max= 539, avg=49.30, stdev=79.52 bw (KiB/s) : min= 12, max= 5559, per=45.24%, avg=1119.72, stdev=1253.42 write: io=34,276KiB, bw=546KiB/s, runt= 64177msec clat (msec): min= 0, max= 499, avg=58.93, stdev=88.85 bw (KiB/s) : min= 0, max= 5316, per=57.12%, avg=863.12, stdev=1024.06 cpu : usr=1.05%, sys=0.40%, ctx=8165 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=47.7%, 4=0.4%, 10=3.5%, 20=6.6%, 50=8.1%, 100=11.7% lat (msec): 250=17.3%, 500=4.1%, 750=0.1%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=152MiB, aggrb=2,475KiB/s, minb=792KiB/s, maxb=870KiB/s, mint=64182msec, maxt=64600msec WRITE: io=95,320KiB, aggrb=1,511KiB/s, minb=436KiB/s, maxb=546KiB/s, mint=64182msec, maxt=64600msec Disk stats (read/write): sda: ios=23638/1147, merge=87/22752, ticks=181488/4678056, in_queue=4859540, util=99.82% 1.98user 0.79system 1:04.82elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (23558major+40487minor)pagefaults 0swaps