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] [ 2592/ 560 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4812/ 412 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2928/ 476 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4312/ 164 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4056/ 288 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3144/ 232 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2224/ 708 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3128/ 216 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3272/ 1076 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 1848/ 1108 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 792/ 1736 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 1892/ 1144 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2368/ 188 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2640/ 1108 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3416/ 540 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2192/ 792 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1168/ 1300 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2804/ 412 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2292/ 1012 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2828/ 80 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2772/ 864 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2184/ 104 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3896/ 472 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3216/ 176 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2624/ 64 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4376/ 232 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2692/ 0 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2676/ 332 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2024/ 664 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2068/ 868 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3772/ 328 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2700/ 56 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2156/ 708 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3120/ 304 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1732/ 848 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3248/ 352 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 4336/ 28 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1168/ 1072 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 780/ 928 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2420/ 68 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1976/ 1128 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2436/ 76 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2584/ 104 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1540/ 224 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1260/ 1124 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2220/ 512 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2060/ 0 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2396/ 168 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1372/ 716 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1824/ 228 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2700/ 152 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1752/ 184 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1976/ 0 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2232/ 312 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2544/ 368 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1280/ 768 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=15776 read : io=48,756KiB, bw=831KiB/s, runt= 60075msec clat (msec): min= 2, max= 574, avg=83.68, stdev=100.05 bw (KiB/s) : min= 18, max= 3120, per=40.88%, avg=1035.50, stdev=768.01 write: io=9,836KiB, bw=167KiB/s, runt= 60075msec clat (msec): min= 6, max= 653, avg=180.66, stdev=150.11 bw (KiB/s) : min= 0, max= 1102, per=66.93%, avg=346.69, stdev=322.00 cpu : usr=0.73%, sys=0.53%, ctx=14789 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=1.3%, 10=7.5%, 20=17.1%, 50=20.5%, 100=18.3% lat (msec): 250=24.6%, 500=8.7%, 750=1.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15777 read : io=51,556KiB, bw=878KiB/s, runt= 60072msec clat (msec): min= 0, max= 592, avg=80.02, stdev=83.23 bw (KiB/s) : min= 6, max= 3965, per=40.31%, avg=1020.94, stdev=837.64 write: io=10,904KiB, bw=185KiB/s, runt= 60072msec clat (msec): min= 7, max= 922, avg=173.28, stdev=134.13 bw (KiB/s) : min= 0, max= 1227, per=58.95%, avg=305.36, stdev=324.53 cpu : usr=0.77%, sys=0.49%, ctx=15789 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=1.0%, 10=4.9%, 20=16.7%, 50=17.7%, 100=21.9% lat (msec): 250=30.3%, 500=6.2%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15778 read : io=48,392KiB, bw=824KiB/s, runt= 60113msec clat (msec): min= 1, max= 546, avg=81.98, stdev=83.62 bw (KiB/s) : min= 1, max= 3372, per=38.51%, avg=975.45, stdev=696.62 write: io=9,712KiB, bw=165KiB/s, runt= 60113msec clat (msec): min= 18, max= 1055, avg=192.71, stdev=174.18 bw (KiB/s) : min= 0, max= 862, per=54.91%, avg=284.45, stdev=243.04 cpu : usr=0.89%, sys=0.47%, ctx=14688 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=0.5%, 10=6.7%, 20=15.3%, 50=17.6%, 100=21.2% lat (msec): 250=30.9%, 500=5.9%, 750=0.8%, 1000=0.2%, >=2000=0.2% Run status group 0 (all jobs): READ: io=145MiB, aggrb=2,533KiB/s, minb=824KiB/s, maxb=878KiB/s, mint=60072msec, maxt=60113msec WRITE: io=30,452KiB, aggrb=518KiB/s, minb=165KiB/s, maxb=185KiB/s, mint=60072msec, maxt=60113msec Disk stats (read/write): sda: ios=44789/470, merge=0/7210, ticks=155012/44560, in_queue=199560, util=99.83% 1.44user 0.95system 1:00.35elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (44789major+1134minor)pagefaults 0swaps