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] [ 2588/ 308 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3028/ 1492 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3244/ 0 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2864/ 0 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3572/ 0 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3204/ 248 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2912/ 408 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4580/ 264 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2740/ 1308 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 3156/ 88 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3216/ 348 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2464/ 560 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3488/ 256 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3060/ 460 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 1144/ 1720 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 1980/ 1272 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1208/ 1548 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3956/ 144 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3012/ 420 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4528/ 132 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 1044/ 1892 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2340/ 644 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4704/ 360 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1676/ 1376 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3584/ 300 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1528/ 788 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 644/ 1008 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2200/ 1144 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2004/ 360 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2280/ 844 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2584/ 184 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2348/ 838 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1283/ 484 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2028/ 1370 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1512/ 82 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1961/ 283 kb/s] [eta 00m:22s] Threads: 3: [mmm] [66.7% done] [ 1532/ 697 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2055/ 397 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1847/ 543 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 2288/ 535 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2111/ 0 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2548/ 51 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2268/ 354 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1662/ 523 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1847/ 0 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3300/ 275 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1161/ 90 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 890/ 960 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1831/ 456 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1736/ 90 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1394/ 385 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3635/ 330 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3375/ 307 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2351/ 779 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 886/ 1138 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3162/ 291 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=14492 read : io=44,956KiB, bw=766KiB/s, runt= 60077msec clat (msec): min= 1, max= 804, avg=91.69, stdev=99.26 bw (KiB/s) : min= 18, max= 3461, per=38.61%, avg=940.46, stdev=790.17 write: io=7,804KiB, bw=133KiB/s, runt= 60077msec clat (msec): min= 15, max= 1013, avg=187.12, stdev=143.78 bw (KiB/s) : min= 0, max= 866, per=38.21%, avg=211.32, stdev=186.98 cpu : usr=0.65%, sys=0.43%, ctx=13437 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=0.2%, 4=0.4%, 10=4.7%, 20=15.8%, 50=18.6%, 100=19.3% lat (msec): 250=29.0%, 500=10.6%, 750=0.5%, 1000=0.2%, >=2000=0.2% fio: (groupid=0): err= 0: pid=14493 read : io=47,656KiB, bw=813KiB/s, runt= 60016msec clat (msec): min= 1, max= 561, avg=76.39, stdev=81.20 bw (KiB/s) : min= 6, max= 3457, per=42.40%, avg=1032.85, stdev=825.19 write: io=12,740KiB, bw=217KiB/s, runt= 60016msec clat (msec): min= 16, max= 715, avg=176.52, stdev=138.67 bw (KiB/s) : min= 0, max= 1421, per=70.89%, avg=392.02, stdev=354.74 cpu : usr=0.80%, sys=0.59%, ctx=15453 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=0.2%, 4=0.6%, 10=6.0%, 20=17.3%, 50=18.3%, 100=22.6% lat (msec): 250=26.2%, 500=7.3%, 750=1.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14494 read : io=50,332KiB, bw=858KiB/s, runt= 60033msec clat (msec): min= 1, max= 534, avg=77.40, stdev=81.15 bw (KiB/s) : min= 3, max= 3951, per=44.45%, avg=1082.83, stdev=902.04 write: io=11,908KiB, bw=203KiB/s, runt= 60033msec clat (msec): min= 20, max= 953, avg=180.58, stdev=150.76 bw (KiB/s) : min= 0, max= 1551, per=59.39%, avg=328.45, stdev=362.58 cpu : usr=0.80%, sys=0.57%, ctx=15875 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=0.5%, 4=0.7%, 10=5.0%, 20=16.2%, 50=19.6%, 100=22.4% lat (msec): 250=28.1%, 500=5.8%, 750=1.2%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=140MiB, aggrb=2,436KiB/s, minb=766KiB/s, maxb=858KiB/s, mint=60016msec, maxt=60077msec WRITE: io=32,452KiB, aggrb=553KiB/s, minb=133KiB/s, maxb=217KiB/s, mint=60016msec, maxt=60077msec Disk stats (read/write): sda: ios=43888/594, merge=145/7621, ticks=156664/46544, in_queue=203196, util=99.79% 1.34user 0.99system 1:00.37elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+44995minor)pagefaults 0swaps