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] [ 4139/ 409 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1595/ 1803 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4887/ 512 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 1669/ 1067 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3150/ 988 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1721/ 964 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3623/ 508 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2504/ 311 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3205/ 496 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2567/ 1472 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2473/ 110 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3678/ 0 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 1543/ 1563 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3308/ 319 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 928/ 1928 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4108/ 320 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3520/ 452 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3992/ 72 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 1936/ 788 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4212/ 256 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3400/ 608 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3104/ 456 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3228/ 816 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2828/ 0 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3208/ 200 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1108/ 612 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2612/ 732 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2856/ 212 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2892/ 0 kb/s] [eta 00m:29s] Threads: 3: [mmm] [55.0% done] [ 1636/ 1280 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3368/ 160 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2196/ 128 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2792/ 272 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3832/ 232 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1732/ 1244 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 4544/ 40 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1092/ 1304 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1776/ 1220 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2812/ 136 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1812/ 1168 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2228/ 548 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1776/ 716 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1108/ 1176 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2604/ 116 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1524/ 440 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2172/ 264 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1796/ 904 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1852/ 668 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1488/ 36 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2684/ 0 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3212/ 128 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2584/ 192 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1868/ 60 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1764/ 1100 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3220/ 232 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2832/ 256 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=22700 read : io=56,252KiB, bw=959KiB/s, runt= 60044msec clat (msec): min= 2, max= 540, avg=72.68, stdev=88.49 bw (KiB/s) : min= 4, max= 3412, per=43.25%, avg=1125.33, stdev=811.69 write: io=7,520KiB, bw=128KiB/s, runt= 60044msec clat (msec): min= 35, max= 829, avg=206.75, stdev=171.43 bw (KiB/s) : min= 0, max= 1008, per=35.34%, avg=206.76, stdev=248.43 cpu : usr=0.84%, sys=0.51%, ctx=16116 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=1.7%, 10=6.9%, 20=20.2%, 50=23.8%, 100=16.2% lat (msec): 250=22.6%, 500=6.5%, 750=1.5%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22701 read : io=52,196KiB, bw=889KiB/s, runt= 60070msec clat (msec): min= 1, max= 403, avg=64.31, stdev=68.95 bw (KiB/s) : min= 3, max= 3710, per=44.13%, avg=1148.29, stdev=909.94 write: io=12,876KiB, bw=219KiB/s, runt= 60070msec clat (msec): min= 20, max= 702, avg=183.07, stdev=150.74 bw (KiB/s) : min= 0, max= 1344, per=57.24%, avg=334.85, stdev=329.73 cpu : usr=0.88%, sys=0.53%, ctx=16552 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=1.2%, 10=7.8%, 20=19.3%, 50=20.3%, 100=19.8% lat (msec): 250=24.9%, 500=4.8%, 750=1.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22702 read : io=44,244KiB, bw=754KiB/s, runt= 60041msec clat (msec): min= 2, max= 664, avg=75.32, stdev=80.45 bw (KiB/s) : min= 20, max= 2872, per=38.65%, avg=1005.65, stdev=715.85 write: io=13,936KiB, bw=237KiB/s, runt= 60041msec clat (msec): min= 11, max= 904, avg=174.91, stdev=163.15 bw (KiB/s) : min= 0, max= 1270, per=64.39%, avg=376.70, stdev=342.76 cpu : usr=0.65%, sys=0.45%, ctx=14826 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=1.5%, 10=4.9%, 20=18.1%, 50=19.1%, 100=19.2% lat (msec): 250=29.6%, 500=5.8%, 750=1.0%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=149MiB, aggrb=2,602KiB/s, minb=754KiB/s, maxb=959KiB/s, mint=60041msec, maxt=60070msec WRITE: io=34,332KiB, aggrb=585KiB/s, minb=128KiB/s, maxb=237KiB/s, mint=60041msec, maxt=60070msec Disk stats (read/write): sda: ios=46756/568, merge=0/8089, ticks=149064/42328, in_queue=191384, util=99.74% 1.42user 0.96system 1:00.38elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+47905minor)pagefaults 0swaps