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] [ 2544/ 664 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 2672/ 736 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4008/ 1236 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3376/ 876 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 1032/ 1736 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5240/ 632 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2888/ 0 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2788/ 752 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3692/ 252 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2184/ 648 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4044/ 460 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2972/ 196 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2200/ 776 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3128/ 672 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2644/ 0 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3197/ 1157 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 544/ 1422 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2824/ 1019 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 1584/ 979 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2169/ 808 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2255/ 316 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 5688/ 162 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3913/ 300 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2316/ 873 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1495/ 1097 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2328/ 1101 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1674/ 768 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1061/ 1401 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 632/ 1044 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 944/ 1204 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1860/ 136 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1596/ 0 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1664/ 656 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2568/ 1208 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2200/ 88 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1704/ 0 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1824/ 0 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2336/ 40 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2008/ 628 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2108/ 944 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1888/ 992 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2270/ 380 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1588/ 860 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2658/ 280 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2380/ 360 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3184/ 372 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2192/ 88 kb/s] [eta 00m:11s] Threads: 3: [mmm] [85.0% done] [ 2916/ 184 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1228/ 412 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2268/ 608 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2480/ 248 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 648/ 1380 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3176/ 432 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1848/ 776 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1760/ 664 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2712/ 468 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=28709 read : io=49,784KiB, bw=849KiB/s, runt= 60004msec clat (msec): min= 1, max= 413, avg=78.93, stdev=87.20 bw (KiB/s) : min= 10, max= 3034, per=42.17%, avg=1012.19, stdev=720.64 write: io=11,172KiB, bw=190KiB/s, runt= 60003msec clat (msec): min= 9, max= 630, avg=174.58, stdev=136.71 bw (KiB/s) : min= 0, max= 1509, per=57.05%, avg=360.00, stdev=379.51 cpu : usr=0.79%, sys=0.67%, ctx=15577 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=0.8%, 10=9.2%, 20=18.3%, 50=18.4%, 100=17.5% lat (msec): 250=26.7%, 500=7.8%, 750=0.8%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28710 read : io=45,828KiB, bw=781KiB/s, runt= 60013msec clat (msec): min= 0, max= 497, avg=76.64, stdev=80.01 bw (KiB/s) : min= 5, max= 3851, per=39.99%, avg=959.78, stdev=784.91 write: io=12,576KiB, bw=214KiB/s, runt= 60013msec clat (msec): min= 14, max= 911, avg=178.88, stdev=144.41 bw (KiB/s) : min= 0, max= 958, per=50.47%, avg=318.49, stdev=269.30 cpu : usr=0.73%, sys=0.51%, ctx=14902 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=0.3%, 4=1.0%, 10=4.8%, 20=17.0%, 50=19.1%, 100=19.8% lat (msec): 250=29.8%, 500=6.9%, 750=0.5%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28711 read : io=45,136KiB, bw=769KiB/s, runt= 60031msec clat (msec): min= 2, max= 499, avg=71.51, stdev=81.46 bw (KiB/s) : min= 6, max= 3909, per=41.83%, avg=1004.01, stdev=878.10 write: io=13,288KiB, bw=226KiB/s, runt= 60031msec clat (msec): min= 9, max= 870, avg=164.06, stdev=136.17 bw (KiB/s) : min= 0, max= 1016, per=49.07%, avg=309.61, stdev=256.18 cpu : usr=0.75%, sys=0.59%, ctx=14941 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=0.0%, 4=1.1%, 10=6.5%, 20=17.9%, 50=19.7%, 100=18.7% lat (msec): 250=27.3%, 500=7.5%, 750=0.6%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=137MiB, aggrb=2,400KiB/s, minb=769KiB/s, maxb=849KiB/s, mint=60004msec, maxt=60031msec WRITE: io=37,036KiB, aggrb=631KiB/s, minb=190KiB/s, maxb=226KiB/s, mint=60004msec, maxt=60031msec Disk stats (read/write): sda: ios=44446/586, merge=0/8748, ticks=151592/39008, in_queue=190588, util=99.76% 1.36user 1.07system 1:00.32elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45604minor)pagefaults 0swaps