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] [ 2908/ 1144 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3583/ 1933 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3052/ 1296 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4420/ 432 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5396/ 0 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2704/ 1156 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2776/ 1272 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3224/ 1520 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6064/ 12 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2568/ 1020 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4476/ 1068 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3512/ 860 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4392/ 1312 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3572/ 308 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2624/ 688 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2804/ 1008 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3268/ 1228 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3336/ 1012 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3984/ 540 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3767/ 656 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3072/ 184 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2928/ 1204 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3344/ 872 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 5208/ 492 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2492/ 616 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2184/ 1720 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 4724/ 340 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3524/ 472 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4512/ 216 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3584/ 132 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1860/ 1192 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3100/ 180 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3256/ 468 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1644/ 1372 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2596/ 8 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1652/ 636 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1412/ 1744 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2412/ 760 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1752/ 956 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 1196/ 1412 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2396/ 156 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 592/ 1124 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2164/ 1024 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1840/ 712 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2376/ 76 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1896/ 1092 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2568/ 404 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2572/ 820 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1744/ 1116 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1556/ 1212 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 760/ 1320 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3312/ 68 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1548/ 1096 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1632/ 868 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1516/ 920 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 676/ 828 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=16649 read : io=51,440KiB, bw=877KiB/s, runt= 60048msec clat (msec): min= 0, max= 602, avg=56.45, stdev=67.97 bw (KiB/s) : min= 5, max= 3658, per=43.62%, avg=1241.85, stdev=997.85 write: io=18,332KiB, bw=312KiB/s, runt= 60048msec clat (msec): min= 5, max= 931, avg=133.09, stdev=128.99 bw (KiB/s) : min= 0, max= 1295, per=50.32%, avg=408.10, stdev=301.45 cpu : usr=0.89%, sys=0.68%, ctx=17743 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=0.4%, 4=0.9%, 10=7.2%, 20=20.1%, 50=23.0%, 100=20.0% lat (msec): 250=22.6%, 500=4.4%, 750=0.7%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16650 read : io=63,136KiB, bw=1,076KiB/s, runt= 60077msec clat (msec): min= 0, max= 534, avg=56.58, stdev=67.34 bw (KiB/s) : min= 6, max= 3941, per=43.56%, avg=1240.22, stdev=936.42 write: io=11,272KiB, bw=192KiB/s, runt= 60077msec clat (msec): min= 7, max= 721, avg=120.28, stdev=108.97 bw (KiB/s) : min= 0, max= 1417, per=42.98%, avg=348.57, stdev=342.36 cpu : usr=0.91%, sys=0.67%, ctx=18828 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=0.5%, 4=2.3%, 10=9.9%, 20=22.5%, 50=19.4%, 100=21.6% lat (msec): 250=20.0%, 500=3.3%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16651 read : io=52,504KiB, bw=895KiB/s, runt= 60029msec clat (msec): min= 0, max= 472, avg=57.99, stdev=72.62 bw (KiB/s) : min= 5, max= 4404, per=41.66%, avg=1186.17, stdev=969.95 write: io=18,004KiB, bw=307KiB/s, runt= 60028msec clat (msec): min= 14, max= 700, avg=132.49, stdev=118.20 bw (KiB/s) : min= 0, max= 1557, per=53.47%, avg=433.61, stdev=387.78 cpu : usr=0.84%, sys=0.61%, ctx=17892 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=0.4%, 4=1.4%, 10=6.9%, 20=24.0%, 50=21.5%, 100=19.3% lat (msec): 250=21.0%, 500=4.4%, 750=0.8%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=163MiB, aggrb=2,847KiB/s, minb=877KiB/s, maxb=1,076KiB/s, mint=60029msec, maxt=60077msec WRITE: io=47,608KiB, aggrb=811KiB/s, minb=192KiB/s, maxb=312KiB/s, mint=60029msec, maxt=60077msec Disk stats (read/write): sda: ios=53672/830, merge=0/11171, ticks=145720/71080, in_queue=216788, util=99.76% 1.60user 1.18system 1:00.34elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+54832minor)pagefaults 0swaps