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] [5.2% done] [ 3736/ 3140 kb/s] [eta 00m:55s] Threads: 3: [mmm] [6.7% done] [ 2568/ 4984 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2384/ 3884 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4168/ 1492 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4092/ 5712 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 4440/ 2840 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4120/ 1956 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3664/ 1244 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 4984/ 400 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 7024/ 1504 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3772/ 5384 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2624/ 3272 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5180/ 3196 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5820/ 224 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 7788/ 0 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3176/ 2640 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5104/ 2388 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 1448/ 4048 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2988/ 2932 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4656/ 0 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4836/ 2420 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 5596/ 1640 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3012/ 1104 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2172/ 2004 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2264/ 1816 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 796/ 2308 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1468/ 1332 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1692/ 776 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1960/ 300 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1984/ 492 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1388/ 1020 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1540/ 324 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1836/ 404 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 928/ 1472 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1124/ 768 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1212/ 684 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2264/ 136 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2288/ 484 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 384/ 1324 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 1364/ 340 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1132/ 1004 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 520/ 1112 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1160/ 960 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1048/ 712 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1636/ 404 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 688/ 800 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1660/ 544 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1356/ 1164 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 644/ 1316 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1164/ 688 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2176/ 464 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1748/ 156 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 772/ 1144 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1448/ 400 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1200/ 604 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 672/ 1092 kb/s] [eta 00m:01s] Threads: 3: [mFF] [100.0% done] [ 612/ 864 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 44 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: [FEF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=17680 read : io=37,136KiB, bw=586KiB/s, runt= 64793msec clat (msec): min= 0, max= 639, avg=76.25, stdev=112.55 bw (KiB/s) : min= 8, max= 4304, per=34.88%, avg=830.58, stdev=908.51 write: io=36,660KiB, bw=579KiB/s, runt= 64789msec clat (msec): min= 0, max= 626, avg=61.33, stdev=104.83 bw (KiB/s) : min= 0, max= 4103, per=65.80%, avg=996.88, stdev=1129.97 cpu : usr=0.93%, sys=0.30%, ctx=7559 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=43.9%, 4=0.8%, 10=1.6%, 20=7.7%, 50=9.1%, 100=11.1% lat (msec): 250=17.6%, 500=6.6%, 750=1.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17681 read : io=62,172KiB, bw=990KiB/s, runt= 64281msec clat (msec): min= 0, max= 473, avg=49.03, stdev=81.24 bw (KiB/s) : min= 7, max= 5288, per=49.91%, avg=1188.26, stdev=1123.23 write: io=27,292KiB, bw=434KiB/s, runt= 64275msec clat (msec): min= 0, max= 477, avg=53.79, stdev=77.65 bw (KiB/s) : min= 0, max= 5250, per=50.76%, avg=768.94, stdev=1054.47 cpu : usr=1.12%, sys=0.38%, ctx=8103 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=45.7%, 4=1.2%, 10=3.9%, 20=7.1%, 50=9.3%, 100=12.7% lat (msec): 250=16.4%, 500=3.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17682 read : io=51,392KiB, bw=812KiB/s, runt= 64801msec clat (msec): min= 0, max= 593, avg=62.16, stdev=95.08 bw (KiB/s) : min= 4, max= 6092, per=44.34%, avg=1055.63, stdev=1114.59 write: io=31,940KiB, bw=504KiB/s, runt= 64796msec clat (msec): min= 0, max= 426, avg=47.16, stdev=77.39 bw (KiB/s) : min= 0, max= 3749, per=65.87%, avg=997.86, stdev=1234.52 cpu : usr=0.94%, sys=0.39%, ctx=7994 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=45.2%, 4=0.9%, 10=3.2%, 20=7.2%, 50=9.6%, 100=12.0% lat (msec): 250=16.6%, 500=4.7%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=147MiB, aggrb=2,381KiB/s, minb=586KiB/s, maxb=990KiB/s, mint=64281msec, maxt=64801msec WRITE: io=95,892KiB, aggrb=1,515KiB/s, minb=434KiB/s, maxb=579KiB/s, mint=64281msec, maxt=64801msec Disk stats (read/write): sda: ios=23577/1136, merge=0/22908, ticks=178264/6211864, in_queue=6390124, util=99.78% 1.94user 0.75system 1:05.10elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (23577major+39242minor)pagefaults 0swaps