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] [ 5144/ 1148 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5336/ 448 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4968/ 1292 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 6508/ 96 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4820/ 648 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5252/ 372 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5200/ 48 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1440/ 3156 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 4416/ 1012 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4684/ 684 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5176/ 760 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5560/ 244 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3228/ 732 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4712/ 616 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4820/ 556 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2636/ 1624 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4976/ 464 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5256/ 136 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3964/ 484 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4396/ 844 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3068/ 1564 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4920/ 148 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4612/ 100 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3136/ 1444 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 4600/ 0 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4540/ 0 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3524/ 632 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2836/ 1156 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3924/ 424 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4252/ 520 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3796/ 504 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2624/ 300 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3636/ 564 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3819/ 929 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 4363/ 161 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 4285/ 228 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1949/ 1419 kb/s] [eta 00m:21s] Threads: 3: [mmm] [68.3% done] [ 4432/ 320 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 3048/ 564 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 3920/ 120 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3808/ 220 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3924/ 348 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3224/ 556 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3452/ 176 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 4224/ 92 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3588/ 96 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3656/ 140 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3816/ 148 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2564/ 600 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2378/ 584 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2584/ 488 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3024/ 272 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3944/ 284 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3352/ 225 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 4056/ 132 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 4040/ 104 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=12319 read : io=71,564KiB, bw=1,220KiB/s, runt= 60018msec clat (msec): min= 0, max= 324, avg=34.62, stdev=54.38 bw (KiB/s) : min= 13, max= 4804, per=45.71%, avg=1841.73, stdev=1268.86 write: io=12,988KiB, bw=221KiB/s, runt= 60018msec clat (msec): min= 7, max= 486, avg=185.74, stdev=114.75 bw (KiB/s) : min= 0, max= 1792, per=60.18%, avg=324.98, stdev=310.92 cpu : usr=1.01%, sys=0.69%, ctx=21365 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=3.6%, 4=2.5%, 10=14.0%, 20=39.8%, 50=13.5%, 100=4.7% lat (msec): 250=17.4%, 500=4.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12320 read : io=81,220KiB, bw=1,384KiB/s, runt= 60060msec clat (msec): min= 0, max= 268, avg=31.60, stdev=50.62 bw (KiB/s) : min= 9, max= 4647, per=45.08%, avg=1816.27, stdev=1176.02 write: io=8,608KiB, bw=146KiB/s, runt= 60060msec clat (msec): min= 6, max= 464, avg=178.36, stdev=116.62 bw (KiB/s) : min= 0, max= 1391, per=42.09%, avg=227.29, stdev=294.22 cpu : usr=1.20%, sys=0.89%, ctx=22626 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=4.8%, 4=5.6%, 10=15.7%, 20=38.6%, 50=12.4%, 100=5.6% lat (msec): 250=14.2%, 500=3.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12321 read : io=83,564KiB, bw=1,426KiB/s, runt= 60003msec clat (msec): min= 0, max= 302, avg=29.30, stdev=49.32 bw (KiB/s) : min= 12, max= 5594, per=44.75%, avg=1802.92, stdev=1134.93 write: io=10,124KiB, bw=172KiB/s, runt= 60003msec clat (msec): min= 5, max= 459, avg=166.14, stdev=102.32 bw (KiB/s) : min= 0, max= 1237, per=50.07%, avg=270.39, stdev=296.12 cpu : usr=1.27%, sys=0.83%, ctx=23624 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=7.2%, 4=3.9%, 10=18.0%, 20=38.0%, 50=12.2%, 100=5.1% lat (msec): 250=12.8%, 500=2.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=231MiB, aggrb=4,029KiB/s, minb=1,220KiB/s, maxb=1,426KiB/s, mint=60003msec, maxt=60060msec WRITE: io=31,720KiB, aggrb=540KiB/s, minb=146KiB/s, maxb=221KiB/s, mint=60003msec, maxt=60060msec Disk stats (read/write): sda: ios=67017/620, merge=0/7393, ticks=137972/53852, in_queue=191836, util=98.94% 2.09user 1.52system 1:00.91elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (67017major+1149minor)pagefaults 0swaps