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] [ 24523/ 1259 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 10122/ 816 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 14084/ 402 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5916/ 81 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5892/ 495 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5883/ 532 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 6139/ 243 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 12344/ 1531 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 10752/ 853 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 9715/ 357 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 9788/ 426 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 6944/ 288 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 10504/ 845 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 11682/ 463 kb/s] [eta 00m:44s] Threads: 2: [_mm] [28.3% done] [ 10760/ 0 kb/s] [eta 00m:43s] Threads: 2: [_mm] [30.0% done] [ 5465/ 0 kb/s] [eta 00m:42s] Threads: 2: [_mm] [31.7% done] [ 4750/ 0 kb/s] [eta 00m:41s] Threads: 2: [_mm] [33.3% done] [ 4514/ 264 kb/s] [eta 00m:40s] Threads: 2: [_mm] [35.0% done] [ 3673/ 967 kb/s] [eta 00m:39s] Threads: 2: [_mm] [36.7% done] [ 2299/ 1243 kb/s] [eta 00m:38s] Threads: 2: [_mm] [38.3% done] [ 3291/ 849 kb/s] [eta 00m:37s] Threads: 2: [_mm] [40.0% done] [ 2921/ 1519 kb/s] [eta 00m:36s] Threads: 2: [_mm] [41.7% done] [ 1848/ 1438 kb/s] [eta 00m:35s] Threads: 2: [_mm] [43.3% done] [ 4018/ 235 kb/s] [eta 00m:34s] Threads: 2: [_mm] [45.0% done] [ 2023/ 1857 kb/s] [eta 00m:33s] Threads: 2: [_mm] [46.7% done] [ 3892/ 593 kb/s] [eta 00m:32s] Threads: 2: [_mm] [48.3% done] [ 3478/ 735 kb/s] [eta 00m:31s] Threads: 2: [_mm] [50.0% done] [ 2486/ 1755 kb/s] [eta 00m:30s] Threads: 2: [_mm] [51.7% done] [ 1832/ 2206 kb/s] [eta 00m:29s] Threads: 2: [_mm] [53.3% done] [ 4571/ 337 kb/s] [eta 00m:28s] Threads: 2: [_mm] [55.0% done] [ 3986/ 77 kb/s] [eta 00m:27s] Threads: 2: [_mm] [56.7% done] [ 3470/ 97 kb/s] [eta 00m:26s] Threads: 2: [_mm] [58.3% done] [ 2243/ 1121 kb/s] [eta 00m:25s] Threads: 2: [_mm] [60.0% done] [ 2324/ 1666 kb/s] [eta 00m:24s] Threads: 2: [_mm] [61.7% done] [ 3015/ 1133 kb/s] [eta 00m:23s] Threads: 2: [_mm] [63.3% done] [ 1804/ 1418 kb/s] [eta 00m:22s] Threads: 2: [_mm] [65.0% done] [ 4457/ 154 kb/s] [eta 00m:21s] Threads: 2: [_mm] [66.7% done] [ 1885/ 1495 kb/s] [eta 00m:20s] Threads: 2: [_mm] [68.3% done] [ 4055/ 60 kb/s] [eta 00m:19s] Threads: 2: [_mm] [70.0% done] [ 4010/ 0 kb/s] [eta 00m:18s] Threads: 2: [_mm] [71.7% done] [ 2043/ 1158 kb/s] [eta 00m:17s] Threads: 2: [_mm] [73.3% done] [ 4534/ 121 kb/s] [eta 00m:16s] Threads: 2: [_mm] [75.0% done] [ 3596/ 0 kb/s] [eta 00m:15s] Threads: 2: [_mm] [76.7% done] [ 3076/ 670 kb/s] [eta 00m:14s] Threads: 2: [_mm] [78.3% done] [ 4161/ 97 kb/s] [eta 00m:13s] Threads: 2: [_mm] [80.0% done] [ 4514/ 85 kb/s] [eta 00m:12s] Threads: 2: [_mm] [81.7% done] [ 1613/ 1373 kb/s] [eta 00m:11s] Threads: 2: [_mm] [83.3% done] [ 4933/ 36 kb/s] [eta 00m:10s] fio: (groupid=0): err= 0: pid=5571 read : io=100MiB, bw=6,233KiB/s, runt= 16822msec clat (msec): min= 0, max= 258, avg= 6.35, stdev=26.20 bw (KiB/s) : min= 6, max=26125, per=111.32%, avg=6840.41, stdev=6712.67 write: io=1,520KiB, bw=92KiB/s, runt= 16812msec clat (msec): min= 11, max= 1413, avg=221.26, stdev=273.58 bw (KiB/s) : min= 0, max= 894, per=23.24%, avg=163.40, stdev=274.17 cpu : usr=4.71%, sys=0.81%, ctx=4257 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=80.0%, 4=1.7%, 10=4.5%, 20=7.2%, 50=2.2%, 100=0.6% lat (msec): 250=3.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.1% fio: (groupid=0): err= 0: pid=5572 read : io=100MiB, bw=2,054KiB/s, runt= 51035msec clat (msec): min= 0, max= 248, avg=16.96, stdev=33.21 bw (KiB/s) : min= 10, max=33292, per=45.64%, avg=2804.29, stdev=4313.66 write: io=17,956KiB, bw=361KiB/s, runt= 50932msec clat (msec): min= 2, max= 427, avg=88.24, stdev=84.93 bw (KiB/s) : min= 0, max= 2172, per=79.13%, avg=556.28, stdev=528.37 cpu : usr=1.86%, sys=0.96%, ctx=26204 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=26.8%, 4=4.9%, 10=14.1%, 20=26.1%, 50=15.6%, 100=3.9% lat (msec): 250=8.0%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5573 read : io=100MiB, bw=2,048KiB/s, runt= 51189msec clat (msec): min= 0, max= 365, avg=17.68, stdev=34.03 bw (KiB/s) : min= 24, max= 4626, per=36.27%, avg=2228.75, stdev=1321.05 write: io=15,608KiB, bw=312KiB/s, runt= 51101msec clat (msec): min= 2, max= 441, avg=77.09, stdev=80.09 bw (KiB/s) : min= 0, max= 2043, per=70.74%, avg=497.28, stdev=504.52 cpu : usr=1.87%, sys=1.01%, ctx=26219 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=26.3%, 4=3.3%, 10=13.6%, 20=28.5%, 50=17.3%, 100=2.9% lat (msec): 250=7.3%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=6,145KiB/s, minb=2,048KiB/s, maxb=6,233KiB/s, mint=16822msec, maxt=51189msec WRITE: io=35,084KiB, aggrb=703KiB/s, minb=92KiB/s, maxb=361KiB/s, mint=16822msec, maxt=51189msec Disk stats (read/write): sda: ios=55391/777, merge=0/8062, ticks=93184/27740, in_queue=120924, util=99.57% 2.70user 1.28system 0:51.43elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (55391major+31294minor)pagefaults 0swaps