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] [ 3653/ 4563 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3137/ 4583 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3258/ 1982 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3766/ 4729 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 6302/ 1113 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 6359/ 633 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4616/ 2698 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1974/ 3929 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6432/ 1243 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4291/ 2267 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4067/ 3531 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 7241/ 134 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3779/ 3084 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5164/ 2113 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2698/ 3202 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2726/ 5518 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2003/ 4116 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3502/ 3258 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3953/ 995 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 1332/ 4026 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 5266/ 556 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 6405/ 108 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2000/ 3208 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4108/ 904 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 992/ 2076 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1088/ 1764 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1716/ 1360 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2072/ 1812 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2768/ 588 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1860/ 1308 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2024/ 364 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1460/ 572 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1256/ 936 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 796/ 1052 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1404/ 848 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1376/ 1140 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1492/ 384 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1796/ 496 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1616/ 232 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1060/ 1192 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1528/ 332 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2368/ 284 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1372/ 460 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 228/ 1764 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 884/ 1336 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1884/ 512 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1044/ 908 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 788/ 972 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1177/ 1313 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2488/ 0 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1516/ 268 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1084/ 1208 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1484/ 252 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1920/ 588 kb/s] [eta 00m:04s] Threads: 3: [mmm] [96.7% done] [ 1316/ 632 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1372/ 428 kb/s] [eta 00m:01s] Threads: 3: [mmm] [100.0% done] [ 1416/ 1424 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 164/ 256 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=3789 read : io=55,804KiB, bw=881KiB/s, runt= 64812msec clat (msec): min= 0, max= 609, avg=57.07, stdev=98.20 bw (KiB/s) : min= 10, max= 5337, per=45.29%, avg=1148.49, stdev=1206.21 write: io=23,672KiB, bw=374KiB/s, runt= 64808msec clat (msec): min= 0, max= 661, avg=68.10, stdev=121.76 bw (KiB/s) : min= 0, max= 2945, per=45.82%, avg=677.62, stdev=749.53 cpu : usr=0.98%, sys=0.33%, ctx=7064 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=49.3%, 4=0.5%, 10=2.8%, 20=7.0%, 50=8.5%, 100=10.6% lat (msec): 250=13.8%, 500=6.3%, 750=0.7%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3790 read : io=53,484KiB, bw=844KiB/s, runt= 64862msec clat (msec): min= 0, max= 480, avg=51.17, stdev=80.25 bw (KiB/s) : min= 6, max= 4169, per=40.54%, avg=1028.01, stdev=1081.34 write: io=35,452KiB, bw=559KiB/s, runt= 64857msec clat (msec): min= 0, max= 523, avg=50.47, stdev=80.80 bw (KiB/s) : min= 0, max= 4889, per=65.21%, avg=964.52, stdev=1211.12 cpu : usr=1.04%, sys=0.47%, ctx=8278 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=46.5%, 4=1.1%, 10=3.0%, 20=7.2%, 50=9.6%, 100=12.4% lat (msec): 250=15.5%, 500=4.1%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3791 read : io=51,388KiB, bw=811KiB/s, runt= 64842msec clat (msec): min= 0, max= 404, avg=55.13, stdev=79.59 bw (KiB/s) : min= 3, max= 8105, per=45.22%, avg=1146.81, stdev=1371.47 write: io=34,592KiB, bw=546KiB/s, runt= 64837msec clat (msec): min= 0, max= 488, avg=55.67, stdev=82.06 bw (KiB/s) : min= 0, max= 4346, per=65.71%, avg=971.87, stdev=1160.47 cpu : usr=1.04%, sys=0.47%, ctx=9006 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=44.3%, 4=0.5%, 10=3.2%, 20=6.2%, 50=9.0%, 100=14.3% lat (msec): 250=18.6%, 500=3.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=157MiB, aggrb=2,536KiB/s, minb=811KiB/s, maxb=881KiB/s, mint=64812msec, maxt=64862msec WRITE: io=93,716KiB, aggrb=1,479KiB/s, minb=374KiB/s, maxb=559KiB/s, mint=64812msec, maxt=64862msec Disk stats (read/write): sda: ios=24240/1184, merge=0/22302, ticks=177956/5123368, in_queue=5301320, util=99.79% 1.99user 0.86system 1:05.15elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (24240major+40531minor)pagefaults 0swaps