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] [ 2174/ 1417 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4312/ 27 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3414/ 287 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 1890/ 1378 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5116/ 173 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1921/ 1681 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 1035/ 1402 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3368/ 372 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3032/ 664 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2076/ 1100 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4944/ 244 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 1996/ 1588 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3648/ 484 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 1084/ 1316 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2052/ 1400 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2232/ 1156 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2348/ 248 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2148/ 404 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2324/ 900 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2764/ 0 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2528/ 1092 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1836/ 824 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2320/ 0 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3420/ 492 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1560/ 1260 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1872/ 348 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 500/ 1996 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1500/ 1368 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1396/ 1204 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1620/ 404 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3300/ 196 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1560/ 1544 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1992/ 356 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3040/ 192 kb/s] [eta 00m:24s] Threads: 3: [mmm] [63.3% done] [ 2748/ 44 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2472/ 396 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 552/ 1816 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2200/ 520 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 3292/ 600 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 2332/ 768 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3628/ 504 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2016/ 252 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2062/ 336 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3100/ 0 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2228/ 152 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 988/ 828 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2768/ 392 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 944/ 1288 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3636/ 388 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2440/ 448 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2628/ 368 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2012/ 748 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2236/ 24 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2220/ 405 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1816/ 138 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1182/ 808 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=2233 read : io=48,760KiB, bw=831KiB/s, runt= 60061msec clat (msec): min= 1, max= 747, avg=84.76, stdev=97.97 bw (KiB/s) : min= 14, max= 3271, per=40.95%, avg=979.55, stdev=733.75 write: io=9,396KiB, bw=160KiB/s, runt= 60061msec clat (msec): min= 16, max= 562, avg=183.08, stdev=126.60 bw (KiB/s) : min= 0, max= 1145, per=42.24%, avg=285.94, stdev=279.18 cpu : usr=0.69%, sys=0.59%, ctx=14691 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=0.5%, 4=0.8%, 10=6.2%, 20=17.0%, 50=20.1%, 100=19.4% lat (msec): 250=25.3%, 500=9.8%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2234 read : io=50,880KiB, bw=867KiB/s, runt= 60063msec clat (msec): min= 0, max= 466, avg=74.05, stdev=74.38 bw (KiB/s) : min= 11, max= 5588, per=46.10%, avg=1102.82, stdev=959.24 write: io=14,028KiB, bw=239KiB/s, runt= 60063msec clat (msec): min= 10, max= 1034, avg=173.09, stdev=142.53 bw (KiB/s) : min= 0, max= 1286, per=53.17%, avg=359.94, stdev=307.36 cpu : usr=0.89%, sys=0.43%, ctx=16441 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=0.3%, 4=0.6%, 10=6.1%, 20=15.1%, 50=19.7%, 100=21.2% lat (msec): 250=29.1%, 500=6.7%, 750=0.5%, 1000=0.0%, >=2000=0.2% fio: (groupid=0): err= 0: pid=2235 read : io=40,680KiB, bw=693KiB/s, runt= 60039msec clat (msec): min= 2, max= 440, avg=84.85, stdev=88.06 bw (KiB/s) : min= 15, max= 3283, per=39.06%, avg=934.26, stdev=745.26 write: io=16,328KiB, bw=278KiB/s, runt= 60039msec clat (msec): min= 12, max= 1013, avg=166.59, stdev=139.37 bw (KiB/s) : min= 0, max= 1186, per=61.04%, avg=413.27, stdev=322.43 cpu : usr=0.76%, sys=0.49%, ctx=14463 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=0.0%, 4=0.5%, 10=4.7%, 20=14.2%, 50=17.8%, 100=21.3% lat (msec): 250=31.0%, 500=9.4%, 750=0.2%, 1000=0.2%, >=2000=0.2% Run status group 0 (all jobs): READ: io=137MiB, aggrb=2,392KiB/s, minb=693KiB/s, maxb=867KiB/s, mint=60039msec, maxt=60063msec WRITE: io=39,752KiB, aggrb=677KiB/s, minb=160KiB/s, maxb=278KiB/s, mint=60039msec, maxt=60063msec Disk stats (read/write): sda: ios=45018/597, merge=0/9419, ticks=153272/33680, in_queue=186948, util=99.70% 1.41user 0.93system 1:00.37elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (45018major+1144minor)pagefaults 0swaps