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] [ 5716/ 232 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 6808/ 164 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4784/ 724 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5860/ 224 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5344/ 516 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5900/ 252 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5264/ 72 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 6344/ 108 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2980/ 1344 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5464/ 388 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5164/ 373 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5368/ 324 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5152/ 48 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5052/ 240 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5100/ 384 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5196/ 248 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5044/ 408 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3180/ 824 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4164/ 606 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3084/ 1634 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 5084/ 156 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3860/ 920 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3052/ 1206 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4036/ 299 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3938/ 287 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 3359/ 712 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3643/ 917 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3513/ 283 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3473/ 842 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4525/ 358 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4229/ 39 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4541/ 133 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 4584/ 259 kb/s] [eta 00m:25s] Threads: 3: [mmm] [61.7% done] [ 1536/ 1910 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 4348/ 413 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3536/ 7 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 4068/ 153 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2187/ 1320 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 4894/ 221 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 3879/ 39 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 4088/ 177 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3544/ 74 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3312/ 527 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3587/ 165 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3079/ 421 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3883/ 181 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2780/ 429 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3954/ 177 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 4210/ 393 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2130/ 760 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3678/ 110 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2792/ 405 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3391/ 11 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3926/ 39 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 4359/ 118 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3863/ 224 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=4153 read : io=71,584KiB, bw=1,221KiB/s, runt= 60022msec clat (msec): min= 0, max= 307, avg=39.46, stdev=62.27 bw (KiB/s) : min= 4, max= 3590, per=37.76%, avg=1595.99, stdev=1017.93 write: io=10,000KiB, bw=170KiB/s, runt= 60022msec clat (msec): min= 12, max= 493, avg=200.02, stdev=137.32 bw (KiB/s) : min= 0, max= 1046, per=58.32%, avg=239.71, stdev=240.45 cpu : usr=1.07%, sys=0.66%, ctx=20575 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=2.7%, 4=2.8%, 10=14.3%, 20=40.4%, 50=14.0%, 100=4.4% lat (msec): 250=16.8%, 500=4.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4154 read : io=91,076KiB, bw=1,553KiB/s, runt= 60016msec clat (msec): min= 0, max= 291, avg=29.38, stdev=52.45 bw (KiB/s) : min= 13, max= 4330, per=44.57%, avg=1884.10, stdev=1054.79 write: io=6,648KiB, bw=113KiB/s, runt= 60016msec clat (msec): min= 3, max= 476, avg=173.65, stdev=119.22 bw (KiB/s) : min= 0, max= 784, per=48.87%, avg=200.84, stdev=219.70 cpu : usr=1.17%, sys=0.74%, ctx=24567 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=9.9%, 4=4.6%, 10=21.1%, 20=35.6%, 50=10.4%, 100=4.0% lat (msec): 250=11.7%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4155 read : io=85,244KiB, bw=1,453KiB/s, runt= 60045msec clat (msec): min= 0, max= 622, avg=32.99, stdev=57.02 bw (KiB/s) : min= 8, max= 4216, per=41.65%, avg=1760.58, stdev=1080.81 write: io=7,456KiB, bw=127KiB/s, runt= 60045msec clat (msec): min= 7, max= 699, avg=172.40, stdev=120.00 bw (KiB/s) : min= 0, max= 1076, per=51.50%, avg=211.68, stdev=228.60 cpu : usr=1.14%, sys=0.89%, ctx=23373 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=5.6%, 4=4.2%, 10=17.8%, 20=38.7%, 50=12.6%, 100=3.9% lat (msec): 250=14.3%, 500=2.4%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=242MiB, aggrb=4,227KiB/s, minb=1,221KiB/s, maxb=1,553KiB/s, mint=60016msec, maxt=60045msec WRITE: io=24,104KiB, aggrb=411KiB/s, minb=113KiB/s, maxb=170KiB/s, mint=60016msec, maxt=60045msec Disk stats (read/write): sda: ios=68002/567, merge=0/5610, ticks=144500/70460, in_queue=214956, util=99.41% 2.02user 1.47system 1:00.63elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (68002major+1141minor)pagefaults 0swaps