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] [ 2364/ 2252 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3644/ 1664 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3608/ 1152 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 1088/ 1804 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3776/ 356 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3428/ 276 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3548/ 1124 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4100/ 84 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 4664/ 496 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2568/ 1592 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 1784/ 2208 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3224/ 892 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4364/ 352 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3728/ 208 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2868/ 900 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3912/ 448 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4488/ 480 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4860/ 108 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3600/ 224 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3436/ 512 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4248/ 592 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2384/ 504 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2900/ 1408 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2984/ 448 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1936/ 1304 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2836/ 608 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2632/ 88 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3596/ 572 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 872/ 1284 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3936/ 356 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1748/ 1192 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2554/ 908 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1592/ 896 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3264/ 524 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2768/ 124 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3200/ 560 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2872/ 120 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1496/ 1240 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3676/ 452 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 3076/ 632 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2662/ 578 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2401/ 430 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3173/ 81 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3181/ 85 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1231/ 520 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3063/ 247 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1755/ 1259 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2320/ 162 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2560/ 0 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2909/ 471 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 381/ 1483 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1645/ 1036 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2453/ 819 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2300/ 60 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2592/ 24 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1948/ 28 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=29084 read : io=54,460KiB, bw=929KiB/s, runt= 60012msec clat (msec): min= 0, max= 417, avg=65.35, stdev=74.46 bw (KiB/s) : min= 6, max= 3200, per=38.48%, avg=1107.51, stdev=884.68 write: io=13,736KiB, bw=234KiB/s, runt= 60012msec clat (msec): min= 26, max= 646, avg=141.78, stdev=111.68 bw (KiB/s) : min= 0, max= 1669, per=53.63%, avg=368.40, stdev=379.09 cpu : usr=0.91%, sys=0.67%, ctx=17260 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=1.0%, 4=1.1%, 10=6.9%, 20=21.6%, 50=18.1%, 100=21.5% lat (msec): 250=24.2%, 500=4.8%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=29085 read : io=56,700KiB, bw=967KiB/s, runt= 60037msec clat (msec): min= 0, max= 486, avg=58.28, stdev=69.94 bw (KiB/s) : min= 3, max= 3667, per=42.74%, avg=1230.09, stdev=858.51 write: io=13,224KiB, bw=225KiB/s, runt= 60036msec clat (msec): min= 9, max= 646, avg=136.71, stdev=108.12 bw (KiB/s) : min= 0, max= 1502, per=62.10%, avg=426.66, stdev=370.43 cpu : usr=0.93%, sys=0.61%, ctx=17698 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=0.9%, 4=2.1%, 10=7.7%, 20=23.7%, 50=20.4%, 100=17.7% lat (msec): 250=22.7%, 500=4.1%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=29086 read : io=57,580KiB, bw=982KiB/s, runt= 60027msec clat (msec): min= 0, max= 368, avg=56.17, stdev=66.64 bw (KiB/s) : min= 5, max= 3370, per=41.37%, avg=1190.65, stdev=810.14 write: io=13,332KiB, bw=227KiB/s, runt= 60027msec clat (msec): min= 22, max= 591, avg=149.39, stdev=114.92 bw (KiB/s) : min= 0, max= 1514, per=55.23%, avg=379.41, stdev=357.18 cpu : usr=0.85%, sys=0.61%, ctx=17936 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=0.4%, 4=2.1%, 10=7.9%, 20=24.1%, 50=20.0%, 100=18.9% lat (msec): 250=21.3%, 500=4.5%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=165MiB, aggrb=2,878KiB/s, minb=929KiB/s, maxb=982KiB/s, mint=60012msec, maxt=60037msec WRITE: io=40,292KiB, aggrb=687KiB/s, minb=225KiB/s, maxb=234KiB/s, mint=60012msec, maxt=60037msec Disk stats (read/write): sda: ios=52258/673, merge=0/9484, ticks=149352/39056, in_queue=188392, util=99.76% 1.62user 1.13system 1:00.30elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+53417minor)pagefaults 0swaps