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] [ 1392/ 1180 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4112/ 716 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2760/ 1700 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2112/ 1276 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2560/ 1300 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3532/ 104 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3616/ 460 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2120/ 1632 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2836/ 636 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 3316/ 372 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 1732/ 700 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3532/ 596 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3012/ 408 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2032/ 1100 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2940/ 780 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2316/ 1708 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3076/ 720 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3316/ 532 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2812/ 756 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 692/ 1476 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4076/ 12 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3064/ 1172 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2736/ 808 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1520/ 1488 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1984/ 1024 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1976/ 72 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2316/ 784 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1896/ 756 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2448/ 324 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3828/ 184 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2676/ 444 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3524/ 576 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3712/ 448 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3096/ 516 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2928/ 496 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3440/ 224 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 716/ 1164 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2424/ 796 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1896/ 1264 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2528/ 788 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1812/ 192 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 4092/ 152 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3156/ 204 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3428/ 264 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2778/ 784 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2688/ 628 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2120/ 284 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1668/ 84 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1204/ 640 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1136/ 812 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1644/ 700 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2232/ 212 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1764/ 776 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1844/ 0 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2244/ 72 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2100/ 248 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=23082 read : io=45,408KiB, bw=774KiB/s, runt= 60024msec clat (msec): min= 2, max= 577, avg=72.88, stdev=86.07 bw (KiB/s) : min= 17, max= 3802, per=41.38%, avg=1048.62, stdev=912.01 write: io=13,224KiB, bw=225KiB/s, runt= 60024msec clat (msec): min= 18, max= 699, avg=203.16, stdev=152.50 bw (KiB/s) : min= 0, max= 1307, per=49.78%, avg=322.10, stdev=281.54 cpu : usr=0.69%, sys=0.50%, ctx=14927 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=0.9%, 10=7.2%, 20=18.9%, 50=19.3%, 100=16.7% lat (msec): 250=25.8%, 500=8.9%, 750=1.9%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23083 read : io=54,012KiB, bw=921KiB/s, runt= 60023msec clat (msec): min= 1, max= 643, avg=70.96, stdev=72.57 bw (KiB/s) : min= 3, max= 2978, per=44.59%, avg=1129.81, stdev=799.09 write: io=11,888KiB, bw=202KiB/s, runt= 60022msec clat (msec): min= 11, max= 653, avg=167.17, stdev=124.44 bw (KiB/s) : min= 0, max= 1330, per=54.29%, avg=351.28, stdev=338.39 cpu : usr=0.73%, sys=0.51%, ctx=16789 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=0.1%, 4=1.0%, 10=4.7%, 20=16.3%, 50=21.3%, 100=24.3% lat (msec): 250=26.9%, 500=4.1%, 750=0.7%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23084 read : io=49,172KiB, bw=838KiB/s, runt= 60016msec clat (msec): min= 2, max= 449, avg=69.09, stdev=75.15 bw (KiB/s) : min= 45, max= 3513, per=40.99%, avg=1038.63, stdev=777.48 write: io=12,820KiB, bw=218KiB/s, runt= 60016msec clat (msec): min= 17, max= 739, avg=179.13, stdev=142.79 bw (KiB/s) : min= 0, max= 1007, per=50.67%, avg=327.83, stdev=251.83 cpu : usr=0.79%, sys=0.57%, ctx=15795 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=0.8%, 10=7.3%, 20=19.1%, 50=19.7%, 100=19.5% lat (msec): 250=25.0%, 500=7.3%, 750=0.8%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=145MiB, aggrb=2,534KiB/s, minb=774KiB/s, maxb=921KiB/s, mint=60016msec, maxt=60024msec WRITE: io=37,932KiB, aggrb=647KiB/s, minb=202KiB/s, maxb=225KiB/s, mint=60016msec, maxt=60024msec Disk stats (read/write): sda: ios=46631/572, merge=0/8992, ticks=149396/40784, in_queue=190176, util=99.74% 1.32user 0.96system 1:00.28elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+47778minor)pagefaults 0swaps