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] [ 2880/ 5944 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1148/ 6368 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2148/ 6848 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2720/ 3444 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5072/ 1472 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 8700/ 1468 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3020/ 5244 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4968/ 2968 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2192/ 3600 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2444/ 2492 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5552/ 1292 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3531/ 3587 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4560/ 1440 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5084/ 2556 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2756/ 4284 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5320/ 720 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4172/ 1568 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4296/ 1560 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4484/ 1556 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 5048/ 196 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3468/ 1660 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3092/ 164 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4996/ 0 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2848/ 316 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2488/ 3180 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2528/ 3144 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 4560/ 1152 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1612/ 736 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1576/ 840 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2936/ 8 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1844/ 724 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1628/ 520 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 328/ 1832 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1708/ 288 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2208/ 80 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2408/ 440 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2112/ 364 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 784/ 1108 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1220/ 820 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 1284/ 1572 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1068/ 1680 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 824/ 1404 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1068/ 812 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 364/ 1960 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1892/ 132 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1752/ 656 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 884/ 1292 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1800/ 844 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1156/ 1116 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1908/ 152 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2212/ 200 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 296/ 1780 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1676/ 404 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1304/ 228 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1200/ 1520 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1144/ 736 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 1336/ 892 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [EFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=26291 read : io=50,120KiB, bw=797KiB/s, runt= 64389msec clat (msec): min= 0, max= 870, avg=71.45, stdev=120.74 bw (KiB/s) : min= 6, max= 3576, per=40.87%, avg=997.21, stdev=890.75 write: io=22,404KiB, bw=356KiB/s, runt= 64385msec clat (msec): min= 0, max= 594, avg=73.07, stdev=115.00 bw (KiB/s) : min= 0, max= 2899, per=45.93%, avg=720.21, stdev=815.51 cpu : usr=0.83%, sys=0.25%, ctx=7163 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=45.8%, 4=0.5%, 10=1.8%, 20=6.5%, 50=8.1%, 100=12.2% lat (msec): 250=15.8%, 500=7.3%, 750=1.2%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26292 read : io=49,056KiB, bw=775KiB/s, runt= 64764msec clat (msec): min= 0, max= 600, avg=44.09, stdev=78.11 bw (KiB/s) : min= 0, max= 5934, per=45.12%, avg=1101.04, stdev=1133.43 write: io=44,372KiB, bw=701KiB/s, runt= 64759msec clat (msec): min= 0, max= 441, avg=44.84, stdev=73.96 bw (KiB/s) : min= 0, max= 4851, per=70.28%, avg=1102.05, stdev=1114.65 cpu : usr=1.04%, sys=0.48%, ctx=8323 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=51.4%, 4=1.7%, 10=3.8%, 20=6.2%, 50=8.2%, 100=11.0% lat (msec): 250=14.9%, 500=2.5%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26293 read : io=55,236KiB, bw=872KiB/s, runt= 64801msec clat (msec): min= 0, max= 582, avg=48.11, stdev=80.66 bw (KiB/s) : min= 5, max= 5383, per=47.25%, avg=1153.01, stdev=1343.76 write: io=32,492KiB, bw=513KiB/s, runt= 64796msec clat (msec): min= 0, max= 470, avg=57.66, stdev=83.48 bw (KiB/s) : min= 0, max= 3445, per=53.57%, avg=839.92, stdev=932.62 cpu : usr=1.00%, sys=0.36%, ctx=8648 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=46.0%, 4=0.5%, 10=4.5%, 20=6.8%, 50=8.0%, 100=14.4% lat (msec): 250=15.7%, 500=3.6%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=151MiB, aggrb=2,440KiB/s, minb=775KiB/s, maxb=872KiB/s, mint=64389msec, maxt=64801msec WRITE: io=99,268KiB, aggrb=1,568KiB/s, minb=356KiB/s, maxb=701KiB/s, mint=64389msec, maxt=64801msec Disk stats (read/write): sda: ios=24043/1155, merge=0/23751, ticks=177596/5897276, in_queue=6124588, util=99.84% 1.85user 0.70system 1:05.02elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+64598minor)pagefaults 0swaps