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] [ 6788/ 400 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4912/ 3256 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 7912/ 1376 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4668/ 2512 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5240/ 3056 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2392/ 3528 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4300/ 1604 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4068/ 3856 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3684/ 836 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4364/ 2388 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4088/ 1184 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2919/ 6364 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2356/ 2072 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2218/ 5087 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3336/ 2779 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3222/ 3417 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 8907/ 2064 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5798/ 1889 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2056/ 4522 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3551/ 3514 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 5412/ 227 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4461/ 2706 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2795/ 1084 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3372/ 776 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1117/ 3161 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1645/ 780 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1137/ 1076 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1296/ 512 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1605/ 800 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1040/ 967 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 702/ 755 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1040/ 637 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1901/ 377 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1007/ 958 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2332/ 0 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1519/ 251 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 293/ 1634 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 948/ 900 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 420/ 1008 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 896/ 936 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1404/ 656 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 612/ 1236 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1180/ 2004 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1436/ 1772 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1860/ 364 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1336/ 1012 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 904/ 1028 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2356/ 96 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1176/ 1444 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1264/ 712 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 748/ 1216 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 952/ 1028 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1472/ 980 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1460/ 684 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1148/ 1288 kb/s] [eta 00m:03s] Threads: 3: [mmm] [98.3% done] [ 820/ 956 kb/s] [eta 00m:01s] Threads: 3: [mmm] [100.0% done] [ 1016/ 1036 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 232/ 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: 1: [__F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22218 read : io=49,948KiB, bw=807KiB/s, runt= 63369msec clat (msec): min= 0, max= 1125, avg=64.73, stdev=113.89 bw (KiB/s) : min= 4, max= 4538, per=43.88%, avg=1054.52, stdev=1059.03 write: io=25,864KiB, bw=417KiB/s, runt= 63364msec clat (msec): min= 0, max= 566, avg=69.47, stdev=105.25 bw (KiB/s) : min= 0, max= 3554, per=49.31%, avg=787.54, stdev=903.60 cpu : usr=0.93%, sys=0.33%, ctx=6938 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=48.3%, 4=0.6%, 10=2.2%, 20=4.9%, 50=7.2%, 100=12.0% lat (msec): 250=17.6%, 500=5.5%, 750=1.1%, 1000=0.0%, >=2000=0.1% fio: (groupid=0): err= 0: pid=22219 read : io=48,376KiB, bw=776KiB/s, runt= 63813msec clat (msec): min= 0, max= 571, avg=57.75, stdev=88.34 bw (KiB/s) : min= 3, max= 4314, per=40.34%, avg=969.36, stdev=889.78 write: io=39,748KiB, bw=637KiB/s, runt= 63807msec clat (msec): min= 0, max= 460, avg=46.63, stdev=75.55 bw (KiB/s) : min= 0, max= 5745, per=64.57%, avg=1031.20, stdev=1279.75 cpu : usr=1.12%, sys=0.40%, ctx=8556 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=45.5%, 4=0.7%, 10=2.8%, 20=7.7%, 50=9.0%, 100=13.7% lat (msec): 250=15.9%, 500=4.2%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22220 read : io=52,180KiB, bw=833KiB/s, runt= 64129msec clat (msec): min= 0, max= 492, avg=53.54, stdev=87.52 bw (KiB/s) : min= 3, max= 5093, per=47.52%, avg=1141.97, stdev=1230.34 write: io=34,432KiB, bw=549KiB/s, runt= 64123msec clat (msec): min= 0, max= 568, avg=54.52, stdev=89.17 bw (KiB/s) : min= 0, max= 5643, per=56.95%, avg=909.57, stdev=1165.53 cpu : usr=0.99%, sys=0.29%, ctx=7967 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=49.4%, 4=0.6%, 10=2.8%, 20=6.0%, 50=8.5%, 100=11.9% lat (msec): 250=15.5%, 500=4.7%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=147MiB, aggrb=2,403KiB/s, minb=776KiB/s, maxb=833KiB/s, mint=63369msec, maxt=64129msec WRITE: io=98MiB, aggrb=1,597KiB/s, minb=417KiB/s, maxb=637KiB/s, mint=63369msec, maxt=64129msec Disk stats (read/write): sda: ios=23453/1139, merge=45/23949, ticks=185628/4616968, in_queue=4802596, util=99.82% 1.94user 0.75system 1:04.37elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+63811minor)pagefaults 0swaps