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] [ 4748/ 2416 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 6804/ 852 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3024/ 2424 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4124/ 2152 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3496/ 5528 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2832/ 3116 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4816/ 2268 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2840/ 5916 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2348/ 4364 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 6088/ 380 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 8376/ 988 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3572/ 4040 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2984/ 1880 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3724/ 3828 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2360/ 5000 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3940/ 3944 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4368/ 1880 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4876/ 8 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4024/ 1508 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2784/ 2312 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2848/ 708 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2928/ 2204 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1840/ 2436 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1204/ 2712 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2560/ 1448 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2612/ 432 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3004/ 1452 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2776/ 756 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1852/ 1876 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1312/ 780 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 848/ 1152 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 880/ 1440 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 640/ 1272 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1745/ 326 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1803/ 614 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1965/ 157 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1599/ 740 kb/s] [eta 00m:21s] Threads: 3: [mmm] [68.3% done] [ 1378/ 693 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1740/ 204 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 708/ 1504 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 820/ 1412 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1360/ 244 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1488/ 680 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1100/ 972 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2228/ 792 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1928/ 616 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1808/ 484 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1040/ 1120 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1656/ 468 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 336/ 1532 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1804/ 0 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 904/ 1124 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1440/ 1396 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1356/ 552 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2256/ 400 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2536/ 0 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 776/ 792 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=14425 read : io=41,712KiB, bw=660KiB/s, runt= 64679msec clat (msec): min= 0, max= 738, avg=66.87, stdev=107.27 bw (KiB/s) : min= 6, max= 2820, per=39.35%, avg=951.07, stdev=900.51 write: io=34,956KiB, bw=553KiB/s, runt= 64674msec clat (msec): min= 0, max= 641, avg=64.75, stdev=111.10 bw (KiB/s) : min= 0, max= 4096, per=60.47%, avg=927.62, stdev=989.30 cpu : usr=0.89%, sys=0.33%, ctx=6967 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=49.1%, 4=0.6%, 10=1.3%, 20=6.5%, 50=6.3%, 100=12.5% lat (msec): 250=15.9%, 500=6.1%, 750=1.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14426 read : io=60,996KiB, bw=966KiB/s, runt= 64650msec clat (msec): min= 0, max= 658, avg=47.19, stdev=78.60 bw (KiB/s) : min= 9, max= 6220, per=52.76%, avg=1275.32, stdev=1269.65 write: io=26,804KiB, bw=424KiB/s, runt= 64645msec clat (msec): min= 0, max= 442, avg=57.37, stdev=80.41 bw (KiB/s) : min= 0, max= 6063, per=55.82%, avg=856.35, stdev=1139.64 cpu : usr=0.94%, sys=0.37%, ctx=8567 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=46.4%, 4=0.8%, 10=3.5%, 20=6.8%, 50=8.9%, 100=13.2% lat (msec): 250=17.0%, 500=3.0%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14427 read : io=50,020KiB, bw=797KiB/s, runt= 64248msec clat (msec): min= 0, max= 516, avg=58.78, stdev=85.71 bw (KiB/s) : min= 17, max= 3691, per=39.78%, avg=961.44, stdev=845.37 write: io=35,136KiB, bw=560KiB/s, runt= 64243msec clat (msec): min= 0, max= 500, avg=46.55, stdev=79.46 bw (KiB/s) : min= 0, max= 5887, per=71.50%, avg=1096.79, stdev=1472.01 cpu : usr=0.99%, sys=0.36%, ctx=8207 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=0.8%, 10=2.4%, 20=7.2%, 50=9.5%, 100=12.8% lat (msec): 250=17.2%, 500=3.7%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=149MiB, aggrb=2,417KiB/s, minb=660KiB/s, maxb=966KiB/s, mint=64248msec, maxt=64679msec WRITE: io=96,896KiB, aggrb=1,534KiB/s, minb=424KiB/s, maxb=560KiB/s, mint=64248msec, maxt=64679msec Disk stats (read/write): sda: ios=23665/1178, merge=0/23116, ticks=177944/3859712, in_queue=4037652, util=99.83% 1.82user 0.76system 1:04.94elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (23665major+39908minor)pagefaults 0swaps