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] [ 4112/ 3928 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5476/ 1068 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 8588/ 180 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 6024/ 1380 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 7172/ 1784 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 4624/ 3508 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4848/ 4032 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 7981/ 1028 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6099/ 522 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 6867/ 1223 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 6525/ 2035 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 6517/ 1430 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4652/ 2043 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3189/ 1154 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4043/ 2861 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 7228/ 1060 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 475/ 7524 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 1340/ 4262 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2511/ 3332 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4652/ 642 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3581/ 1533 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3852/ 1605 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4616/ 853 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2507/ 581 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2291/ 723 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2096/ 1080 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1800/ 958 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 983/ 2417 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1113/ 2494 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2767/ 438 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2710/ 195 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1385/ 658 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 784/ 1418 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1007/ 824 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1731/ 73 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 870/ 1126 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1393/ 422 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1698/ 869 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2230/ 475 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1974/ 1357 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1938/ 166 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1401/ 312 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2247/ 402 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 938/ 1158 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1621/ 507 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1097/ 1243 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 467/ 1511 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2080/ 60 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1332/ 544 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1275/ 219 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1702/ 60 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2892/ 60 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1428/ 284 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 488/ 1600 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 860/ 1384 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1268/ 1044 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1860/ 456 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 540/ 292 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] fio: (groupid=0): err= 0: pid=15980 read : io=56,432KiB, bw=905KiB/s, runt= 63791msec clat (msec): min= 0, max= 641, avg=58.14, stdev=98.22 bw (KiB/s) : min= 6, max= 4036, per=40.14%, avg=1160.54, stdev=1036.89 write: io=25,652KiB, bw=411KiB/s, runt= 63785msec clat (msec): min= 0, max= 535, avg=65.14, stdev=101.29 bw (KiB/s) : min= 0, max= 3521, per=64.46%, avg=802.53, stdev=940.27 cpu : usr=0.98%, sys=0.33%, ctx=7643 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=48.6%, 4=0.7%, 10=1.5%, 20=6.2%, 50=8.0%, 100=12.7% lat (msec): 250=15.4%, 500=5.8%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15981 read : io=63,952KiB, bw=1,025KiB/s, runt= 63877msec clat (msec): min= 0, max= 551, avg=45.70, stdev=79.46 bw (KiB/s) : min= 7, max= 6959, per=45.75%, avg=1322.63, stdev=1421.68 write: io=23,636KiB, bw=378KiB/s, runt= 63872msec clat (msec): min= 0, max= 635, avg=60.26, stdev=88.25 bw (KiB/s) : min= 0, max= 4147, per=57.83%, avg=720.02, stdev=879.42 cpu : usr=1.02%, sys=0.38%, ctx=7993 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=47.7%, 4=1.0%, 10=3.1%, 20=7.8%, 50=8.4%, 100=12.7% lat (msec): 250=15.2%, 500=3.5%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15982 read : io=60,012KiB, bw=962KiB/s, runt= 63821msec clat (msec): min= 0, max= 595, avg=49.21, stdev=78.26 bw (KiB/s) : min= 1, max= 5503, per=46.38%, avg=1340.77, stdev=1419.24 write: io=28,424KiB, bw=456KiB/s, runt= 63816msec clat (msec): min= 0, max= 461, avg=51.92, stdev=84.11 bw (KiB/s) : min= 0, max= 4309, per=74.42%, avg=926.52, stdev=1056.19 cpu : usr=1.02%, sys=0.43%, ctx=8015 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=48.2%, 4=0.7%, 10=3.4%, 20=6.6%, 50=8.0%, 100=12.8% lat (msec): 250=16.8%, 500=3.0%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=176MiB, aggrb=2,891KiB/s, minb=905KiB/s, maxb=1,025KiB/s, mint=63791msec, maxt=63877msec WRITE: io=77,712KiB, aggrb=1,245KiB/s, minb=378KiB/s, maxb=456KiB/s, mint=63791msec, maxt=63877msec Disk stats (read/write): sda: ios=23573/999, merge=0/18485, ticks=177824/4249684, in_queue=4427504, util=99.87% 1.93user 0.75system 1:04.07elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (23572major+42115minor)pagefaults 0swaps