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] [ 1488/ 1924 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3832/ 1012 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3344/ 244 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2336/ 848 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3132/ 932 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2024/ 1496 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3080/ 216 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1276/ 1940 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 580/ 2036 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2192/ 1344 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 1832/ 724 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 740/ 1556 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2568/ 924 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2448/ 524 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2848/ 492 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3292/ 376 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2600/ 1264 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3912/ 188 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3008/ 524 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2920/ 684 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 508/ 2388 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2052/ 624 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2532/ 816 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2812/ 432 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3584/ 72 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 484/ 1716 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3240/ 156 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2052/ 572 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3064/ 560 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1168/ 1292 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1640/ 524 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2032/ 1360 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1016/ 1032 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2288/ 48 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3884/ 24 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1632/ 800 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1240/ 476 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1712/ 1168 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 908/ 940 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2860/ 600 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1752/ 428 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1548/ 480 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2388/ 376 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2184/ 960 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2152/ 708 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2696/ 36 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1556/ 928 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2052/ 284 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2292/ 12 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2580/ 352 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1980/ 152 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 796/ 1172 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1612/ 56 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2292/ 228 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1832/ 0 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 440/ 1964 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=725 read : io=41,016KiB, bw=699KiB/s, runt= 60040msec clat (msec): min= 2, max= 805, avg=90.51, stdev=100.81 bw (KiB/s) : min= 5, max= 3794, per=40.61%, avg=859.75, stdev=675.77 write: io=13,768KiB, bw=234KiB/s, runt= 60040msec clat (msec): min= 24, max= 860, avg=173.79, stdev=136.52 bw (KiB/s) : min= 0, max= 1558, per=47.06%, avg=363.29, stdev=353.91 cpu : usr=0.63%, sys=0.42%, ctx=13856 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=0.7%, 10=4.2%, 20=16.7%, 50=17.3%, 100=20.0% lat (msec): 250=29.4%, 500=9.9%, 750=0.7%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=726 read : io=39,744KiB, bw=677KiB/s, runt= 60044msec clat (msec): min= 1, max= 446, avg=87.13, stdev=81.48 bw (KiB/s) : min= 6, max= 3288, per=42.85%, avg=907.07, stdev=766.11 write: io=17,108KiB, bw=291KiB/s, runt= 60044msec clat (msec): min= 8, max= 543, avg=157.13, stdev=102.54 bw (KiB/s) : min= 0, max= 1715, per=57.71%, avg=445.51, stdev=349.01 cpu : usr=0.79%, sys=0.42%, ctx=14452 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=0.4%, 10=3.8%, 20=13.8%, 50=16.3%, 100=20.1% lat (msec): 250=36.6%, 500=8.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=727 read : io=43,412KiB, bw=740KiB/s, runt= 60024msec clat (msec): min= 2, max= 588, avg=80.14, stdev=84.68 bw (KiB/s) : min= 14, max= 2693, per=42.87%, avg=907.49, stdev=682.47 write: io=14,416KiB, bw=245KiB/s, runt= 60024msec clat (msec): min= 12, max= 778, avg=175.92, stdev=126.68 bw (KiB/s) : min= 0, max= 1305, per=52.77%, avg=407.41, stdev=377.53 cpu : usr=0.70%, sys=0.53%, ctx=14629 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=0.7%, 10=4.9%, 20=15.1%, 50=18.7%, 100=22.2% lat (msec): 250=29.0%, 500=8.1%, 750=0.5%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=121MiB, aggrb=2,117KiB/s, minb=677KiB/s, maxb=740KiB/s, mint=60024msec, maxt=60044msec WRITE: io=45,292KiB, aggrb=772KiB/s, minb=234KiB/s, maxb=291KiB/s, mint=60024msec, maxt=60044msec Disk stats (read/write): sda: ios=42410/682, merge=109/10745, ticks=155736/54196, in_queue=209924, util=99.68% 1.27user 0.88system 1:00.35elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (42366major+1145minor)pagefaults 0swaps