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] [ 3860/ 4540 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 6528/ 2144 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4288/ 1900 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5284/ 1132 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2896/ 5284 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3264/ 4804 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5124/ 1356 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 6660/ 1408 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 7588/ 792 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5388/ 1436 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4056/ 3152 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4288/ 3180 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5236/ 3736 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4348/ 2704 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4744/ 2028 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 1416/ 4364 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4580/ 1712 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2276/ 4364 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 1952/ 3232 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2496/ 3996 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2784/ 1872 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1624/ 3296 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1800/ 2492 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 772/ 1416 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1936/ 1292 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1260/ 1820 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1888/ 484 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1492/ 728 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1900/ 432 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 432/ 1224 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 880/ 920 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1288/ 512 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2536/ 420 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3028/ 328 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1992/ 400 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1556/ 340 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1744/ 92 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1032/ 1424 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1172/ 508 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 1084/ 820 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 556/ 1220 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1408/ 864 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1572/ 800 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1068/ 556 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2032/ 416 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1272/ 1072 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 992/ 984 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1536/ 172 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1532/ 804 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1860/ 596 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1421/ 384 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 832/ 652 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1404/ 240 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1292/ 584 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1952/ 168 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1164/ 916 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 2252/ 288 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: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=738 read : io=37,272KiB, bw=591KiB/s, runt= 64475msec clat (msec): min= 0, max= 646, avg=75.30, stdev=115.10 bw (KiB/s) : min= 7, max= 4576, per=33.18%, avg=799.71, stdev=903.72 write: io=37,136KiB, bw=589KiB/s, runt= 64470msec clat (msec): min= 0, max= 641, avg=59.19, stdev=104.41 bw (KiB/s) : min= 0, max= 4827, per=65.63%, avg=964.73, stdev=1094.63 cpu : usr=0.91%, sys=0.30%, ctx=7472 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=45.9%, 4=0.9%, 10=2.5%, 20=7.0%, 50=8.0%, 100=11.1% lat (msec): 250=16.5%, 500=6.6%, 750=1.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=739 read : io=50,772KiB, bw=806KiB/s, runt= 64446msec clat (msec): min= 0, max= 505, avg=53.82, stdev=85.46 bw (KiB/s) : min= 5, max= 6213, per=43.13%, avg=1039.36, stdev=1176.65 write: io=34,128KiB, bw=542KiB/s, runt= 64441msec clat (msec): min= 0, max= 777, avg=54.38, stdev=88.66 bw (KiB/s) : min= 0, max= 3975, per=63.94%, avg=939.92, stdev=1174.99 cpu : usr=0.87%, sys=0.44%, ctx=8726 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=44.0%, 4=0.6%, 10=3.3%, 20=7.9%, 50=9.7%, 100=14.2% lat (msec): 250=16.0%, 500=3.7%, 750=0.1%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=740 read : io=63,720KiB, bw=1,018KiB/s, runt= 64068msec clat (msec): min= 0, max= 553, avg=54.73, stdev=86.04 bw (KiB/s) : min= 10, max= 5575, per=48.07%, avg=1158.57, stdev=1236.23 write: io=21,344KiB, bw=341KiB/s, runt= 64063msec clat (msec): min= 0, max= 354, avg=55.89, stdev=81.27 bw (KiB/s) : min= 0, max= 4220, per=44.49%, avg=653.95, stdev=851.49 cpu : usr=1.07%, sys=0.36%, ctx=8546 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=1.2%, 10=2.8%, 20=7.7%, 50=9.5%, 100=13.8% lat (msec): 250=16.0%, 500=4.2%, 750=0.1%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=148MiB, aggrb=2,410KiB/s, minb=591KiB/s, maxb=1,018KiB/s, mint=64068msec, maxt=64475msec WRITE: io=92,608KiB, aggrb=1,470KiB/s, minb=341KiB/s, maxb=589KiB/s, mint=64068msec, maxt=64475msec Disk stats (read/write): sda: ios=24683/1099, merge=78/22116, ticks=179304/5503972, in_queue=5683276, util=99.79% 1.83user 0.79system 1:04.77elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (24670major+37593minor)pagefaults 0swaps