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] [ 4464/ 380 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 2500/ 1648 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2212/ 420 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3664/ 516 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3276/ 616 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2400/ 1044 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2184/ 1260 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2776/ 0 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3712/ 228 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4012/ 816 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3928/ 1048 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2680/ 44 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 1936/ 1416 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4344/ 132 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2808/ 592 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2844/ 464 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1548/ 1192 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4336/ 24 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3060/ 680 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2924/ 632 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 1416/ 836 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2564/ 56 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4304/ 216 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2768/ 508 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3800/ 680 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 3500/ 488 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2724/ 116 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3340/ 284 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2076/ 220 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3072/ 1444 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1240/ 1484 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3200/ 80 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1528/ 1104 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2320/ 168 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2136/ 468 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1856/ 940 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2516/ 576 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1864/ 256 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2640/ 120 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 3812/ 80 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1928/ 0 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2338/ 0 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3748/ 356 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1188/ 940 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3952/ 260 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1380/ 872 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1080/ 780 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 892/ 640 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1580/ 0 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1744/ 0 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1732/ 476 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1668/ 424 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2892/ 288 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2484/ 0 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 828/ 1229 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1592/ 1044 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=15967 read : io=51,400KiB, bw=876KiB/s, runt= 60040msec clat (msec): min= 1, max= 571, avg=79.68, stdev=95.22 bw (KiB/s) : min= 7, max= 4135, per=39.80%, avg=1040.83, stdev=879.10 write: io=9,656KiB, bw=164KiB/s, runt= 60040msec clat (msec): min= 13, max= 732, avg=185.32, stdev=134.89 bw (KiB/s) : min= 0, max= 1171, per=53.22%, avg=293.23, stdev=286.25 cpu : usr=0.74%, sys=0.45%, ctx=15405 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=1.4%, 10=8.2%, 20=17.1%, 50=19.6%, 100=19.5% lat (msec): 250=23.8%, 500=9.0%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15968 read : io=52,152KiB, bw=889KiB/s, runt= 60040msec clat (msec): min= 2, max= 676, avg=74.66, stdev=78.68 bw (KiB/s) : min= 5, max= 3438, per=40.49%, avg=1058.86, stdev=857.40 write: io=10,564KiB, bw=180KiB/s, runt= 60040msec clat (msec): min= 8, max= 653, avg=152.55, stdev=116.34 bw (KiB/s) : min= 0, max= 992, per=55.35%, avg=304.95, stdev=278.92 cpu : usr=0.79%, sys=0.51%, ctx=15861 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=0.6%, 10=7.4%, 20=17.6%, 50=18.6%, 100=20.5% lat (msec): 250=29.0%, 500=5.4%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15969 read : io=49,852KiB, bw=849KiB/s, runt= 60070msec clat (msec): min= 1, max= 528, avg=75.54, stdev=89.83 bw (KiB/s) : min= 36, max= 4143, per=42.14%, avg=1102.07, stdev=887.02 write: io=12,156KiB, bw=207KiB/s, runt= 60070msec clat (msec): min= 13, max= 739, avg=182.57, stdev=141.94 bw (KiB/s) : min= 0, max= 1348, per=64.96%, avg=357.93, stdev=341.17 cpu : usr=0.81%, sys=0.59%, ctx=15672 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=0.6%, 10=5.5%, 20=18.4%, 50=19.7%, 100=22.2% lat (msec): 250=23.6%, 500=8.1%, 750=1.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=150MiB, aggrb=2,615KiB/s, minb=849KiB/s, maxb=889KiB/s, mint=60040msec, maxt=60070msec WRITE: io=32,376KiB, aggrb=551KiB/s, minb=164KiB/s, maxb=207KiB/s, mint=60040msec, maxt=60070msec Disk stats (read/write): sda: ios=46445/519, merge=0/7651, ticks=152140/33524, in_queue=185652, util=99.82% 1.40user 1.01system 1:00.28elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (46445major+1143minor)pagefaults 0swaps