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] [ 2236/ 976 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1384/ 1864 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2436/ 1080 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3588/ 468 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 1088/ 1776 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2716/ 632 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2784/ 256 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2340/ 880 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3864/ 300 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2292/ 0 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3228/ 108 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 1684/ 1308 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4420/ 312 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2184/ 240 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3964/ 220 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 1780/ 1288 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4172/ 168 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 1876/ 1236 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 1684/ 792 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 1824/ 1152 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4812/ 192 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3396/ 564 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2372/ 1124 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2808/ 580 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2384/ 188 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2968/ 664 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2208/ 892 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1780/ 852 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3060/ 8 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3484/ 0 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1684/ 284 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2356/ 116 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1232/ 1000 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1796/ 780 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1668/ 560 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 976/ 1572 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2844/ 180 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2824/ 180 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1304/ 840 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2400/ 420 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2308/ 1256 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1180/ 1172 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2740/ 244 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2144/ 420 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2928/ 184 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2270/ 148 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1056/ 796 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2356/ 12 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3880/ 112 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3016/ 320 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2048/ 24 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2164/ 348 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 864/ 736 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1924/ 224 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2724/ 660 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1960/ 764 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=15102 read : io=41,044KiB, bw=699KiB/s, runt= 60066msec clat (msec): min= 2, max= 649, avg=73.01, stdev=92.58 bw (KiB/s) : min= 6, max= 3284, per=38.63%, avg=946.45, stdev=917.00 write: io=14,448KiB, bw=246KiB/s, runt= 60066msec clat (msec): min= 17, max= 742, avg=190.63, stdev=139.23 bw (KiB/s) : min= 0, max= 1024, per=57.09%, avg=335.10, stdev=260.40 cpu : usr=0.65%, sys=0.43%, ctx=14073 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=6.8%, 20=18.2%, 50=18.4%, 100=18.1% lat (msec): 250=25.7%, 500=9.4%, 750=1.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15103 read : io=51,572KiB, bw=879KiB/s, runt= 60071msec clat (msec): min= 1, max= 408, avg=75.07, stdev=74.84 bw (KiB/s) : min= 31, max= 3675, per=42.16%, avg=1032.96, stdev=721.38 write: io=10,276KiB, bw=175KiB/s, runt= 60071msec clat (msec): min= 20, max= 636, avg=175.52, stdev=137.31 bw (KiB/s) : min= 0, max= 1155, per=51.95%, avg=304.94, stdev=289.69 cpu : usr=0.73%, sys=0.51%, ctx=15625 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=0.8%, 10=5.7%, 20=17.5%, 50=17.3%, 100=26.0% lat (msec): 250=24.7%, 500=6.5%, 750=0.8%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15104 read : io=51,140KiB, bw=872KiB/s, runt= 60039msec clat (msec): min= 0, max= 731, avg=77.29, stdev=80.66 bw (KiB/s) : min= 22, max= 2793, per=42.81%, avg=1048.78, stdev=695.46 write: io=9,736KiB, bw=166KiB/s, runt= 60039msec clat (msec): min= 11, max= 932, avg=177.71, stdev=140.21 bw (KiB/s) : min= 0, max= 1052, per=55.30%, avg=324.62, stdev=310.48 cpu : usr=0.67%, sys=0.44%, ctx=15368 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=0.8%, 4=0.6%, 10=6.9%, 20=15.5%, 50=18.4%, 100=21.1% lat (msec): 250=29.1%, 500=6.4%, 750=0.6%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=140MiB, aggrb=2,450KiB/s, minb=699KiB/s, maxb=879KiB/s, mint=60039msec, maxt=60071msec WRITE: io=34,460KiB, aggrb=587KiB/s, minb=166KiB/s, maxb=246KiB/s, mint=60039msec, maxt=60071msec Disk stats (read/write): sda: ios=44554/583, merge=0/8114, ticks=152100/64132, in_queue=216220, util=99.77% 1.23user 0.85system 1:00.34elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45697minor)pagefaults 0swaps