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] [ 2924/ 16 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1184/ 2832 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 1584/ 1224 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 312/ 2700 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 1264/ 1360 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1868/ 904 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3272/ 700 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1256/ 1340 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2812/ 784 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 1892/ 1108 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3556/ 352 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2472/ 0 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3012/ 264 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2924/ 248 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2972/ 436 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 1824/ 696 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3257/ 909 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2020/ 1134 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 1567/ 1555 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4816/ 220 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2174/ 1098 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3973/ 354 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2611/ 673 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2741/ 945 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1283/ 1445 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 799/ 1031 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2296/ 1161 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3020/ 594 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2835/ 212 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2185/ 248 kb/s] [eta 00m:28s] Threads: 3: [mmm] [56.7% done] [ 2973/ 433 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3166/ 311 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2095/ 693 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3509/ 279 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2225/ 1055 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2827/ 11 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2083/ 141 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1748/ 984 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2067/ 909 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 3111/ 133 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1921/ 567 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1799/ 267 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2630/ 496 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2248/ 732 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2560/ 523 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2244/ 256 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2678/ 240 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1496/ 941 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 842/ 815 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2111/ 23 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 90/ 1622 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 878/ 1382 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2087/ 795 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2457/ 496 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1721/ 460 kb/s] [eta 00m:02s] Threads: 3: [mmm] [100.0% done] [ 2863/ 82 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12378 read : io=34,732KiB, bw=592KiB/s, runt= 60016msec clat (msec): min= 2, max= 575, avg=91.36, stdev=96.85 bw (KiB/s) : min= 3, max= 3077, per=34.45%, avg=786.56, stdev=691.72 write: io=16,376KiB, bw=279KiB/s, runt= 60016msec clat (msec): min= 12, max= 655, avg=173.97, stdev=131.70 bw (KiB/s) : min= 0, max= 1499, per=58.77%, avg=416.66, stdev=365.72 cpu : usr=0.64%, sys=0.50%, ctx=13021 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=1.2%, 10=4.9%, 20=12.7%, 50=14.5%, 100=23.1% lat (msec): 250=30.1%, 500=11.5%, 750=1.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12379 read : io=49,816KiB, bw=848KiB/s, runt= 60085msec clat (msec): min= 0, max= 397, avg=77.97, stdev=73.23 bw (KiB/s) : min= 7, max= 2802, per=45.86%, avg=1047.09, stdev=694.87 write: io=14,212KiB, bw=242KiB/s, runt= 60085msec clat (msec): min= 10, max= 697, avg=155.29, stdev=130.04 bw (KiB/s) : min= 0, max= 1472, per=57.19%, avg=405.47, stdev=352.75 cpu : usr=0.73%, sys=0.64%, ctx=16191 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=0.8%, 10=4.3%, 20=14.6%, 50=19.7%, 100=23.4% lat (msec): 250=30.3%, 500=5.3%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12380 read : io=49,464KiB, bw=843KiB/s, runt= 60069msec clat (msec): min= 0, max= 584, avg=83.08, stdev=89.81 bw (KiB/s) : min= 29, max= 2908, per=41.33%, avg=943.45, stdev=683.52 write: io=11,028KiB, bw=187KiB/s, runt= 60069msec clat (msec): min= 11, max= 469, avg=143.40, stdev=101.96 bw (KiB/s) : min= 0, max= 1545, per=49.75%, avg=352.74, stdev=364.79 cpu : usr=0.89%, sys=0.47%, ctx=15299 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=5.6%, 20=17.8%, 50=18.6%, 100=19.7% lat (msec): 250=28.5%, 500=7.8%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=131MiB, aggrb=2,283KiB/s, minb=592KiB/s, maxb=848KiB/s, mint=60016msec, maxt=60085msec WRITE: io=41,616KiB, aggrb=709KiB/s, minb=187KiB/s, maxb=279KiB/s, mint=60016msec, maxt=60085msec Disk stats (read/write): sda: ios=43907/661, merge=0/9822, ticks=153604/39716, in_queue=193320, util=99.82% 1.36user 1.05system 1:00.33elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45045minor)pagefaults 0swaps