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] [ 6100/ 96 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5436/ 936 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5056/ 784 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5576/ 552 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4952/ 868 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5760/ 156 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4788/ 524 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 6180/ 228 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 5705/ 134 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4632/ 1267 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5977/ 373 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5908/ 36 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4372/ 731 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4924/ 560 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5241/ 264 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5014/ 707 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3868/ 763 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5380/ 0 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 5237/ 138 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4209/ 564 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4018/ 637 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4677/ 353 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4274/ 654 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 5327/ 199 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2885/ 999 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2035/ 2275 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3896/ 150 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3287/ 341 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4116/ 227 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4884/ 316 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4547/ 190 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3425/ 264 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 4717/ 264 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3506/ 166 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3734/ 597 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 4156/ 56 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 4217/ 190 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 4408/ 211 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3494/ 410 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 3315/ 77 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 3929/ 247 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3693/ 707 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1726/ 1556 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3970/ 471 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3714/ 256 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3072/ 150 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3665/ 36 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2702/ 621 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3433/ 552 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3779/ 203 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3555/ 386 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2803/ 459 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3380/ 532 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3470/ 56 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3393/ 475 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3848/ 247 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3405/ 381 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=5201 read : io=89,620KiB, bw=1,529KiB/s, runt= 60001msec clat (msec): min= 0, max= 257, avg=27.30, stdev=48.15 bw (KiB/s) : min= 15, max= 4451, per=44.40%, avg=1895.17, stdev=1197.03 write: io=8,088KiB, bw=138KiB/s, runt= 60001msec clat (msec): min= 5, max= 449, avg=188.59, stdev=116.91 bw (KiB/s) : min= 0, max= 907, per=46.88%, avg=203.45, stdev=238.15 cpu : usr=1.28%, sys=0.83%, ctx=24691 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=11.7%, 4=5.4%, 10=17.2%, 20=37.1%, 50=11.3%, 100=3.0% lat (msec): 250=11.5%, 500=2.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5202 read : io=81,244KiB, bw=1,386KiB/s, runt= 60023msec clat (msec): min= 0, max= 580, avg=34.66, stdev=57.68 bw (KiB/s) : min= 7, max= 4185, per=43.82%, avg=1870.32, stdev=1178.94 write: io=8,360KiB, bw=142KiB/s, runt= 60023msec clat (msec): min= 14, max= 463, avg=195.39, stdev=111.28 bw (KiB/s) : min= 0, max= 1038, per=50.69%, avg=219.98, stdev=217.29 cpu : usr=1.07%, sys=0.80%, ctx=22692 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=3.1%, 4=3.8%, 10=16.2%, 20=38.4%, 50=15.6%, 100=4.0% lat (msec): 250=15.2%, 500=3.3%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5203 read : io=79,368KiB, bw=1,354KiB/s, runt= 60024msec clat (msec): min= 0, max= 283, avg=31.58, stdev=50.60 bw (KiB/s) : min= 14, max= 5318, per=44.26%, avg=1888.85, stdev=1251.51 write: io=9,016KiB, bw=153KiB/s, runt= 60023msec clat (msec): min= 10, max= 804, avg=212.97, stdev=138.50 bw (KiB/s) : min= 0, max= 813, per=47.34%, avg=205.46, stdev=161.82 cpu : usr=1.14%, sys=0.75%, ctx=22366 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=4.7%, 4=3.5%, 10=15.6%, 20=40.5%, 50=14.3%, 100=4.3% lat (msec): 250=12.8%, 500=4.0%, 750=0.0%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=244MiB, aggrb=4,268KiB/s, minb=1,354KiB/s, maxb=1,529KiB/s, mint=60001msec, maxt=60024msec WRITE: io=25,464KiB, aggrb=434KiB/s, minb=138KiB/s, maxb=153KiB/s, mint=60001msec, maxt=60024msec Disk stats (read/write): sda: ios=68924/463, merge=0/5970, ticks=141220/44884, in_queue=186100, util=99.85% 2.09user 1.61system 1:00.31elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (68924major+1146minor)pagefaults 0swaps