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] [ 1828/ 1728 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4956/ 316 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4200/ 444 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5168/ 256 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2932/ 4 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1528/ 888 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2604/ 1260 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3892/ 40 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 1144/ 964 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4084/ 0 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2812/ 1160 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2180/ 184 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3856/ 448 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3028/ 588 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3624/ 512 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3368/ 320 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3020/ 160 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3180/ 856 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2252/ 684 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2356/ 620 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2176/ 632 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3356/ 32 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2032/ 300 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1864/ 996 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2756/ 1128 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1044/ 1556 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2768/ 124 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2032/ 152 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1832/ 340 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 684/ 1368 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2300/ 436 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2372/ 1472 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2080/ 1184 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3328/ 420 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1996/ 332 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2624/ 644 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2772/ 536 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 708/ 1284 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3072/ 596 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2152/ 588 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2432/ 292 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3140/ 248 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1272/ 1024 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1968/ 556 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2092/ 504 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1136/ 948 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1996/ 676 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1140/ 820 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2104/ 744 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1760/ 1128 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2264/ 184 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1400/ 616 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1652/ 124 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 968/ 1476 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 92/ 1768 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1104/ 1124 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=21134 read : io=41,692KiB, bw=710KiB/s, runt= 60080msec clat (msec): min= 2, max= 441, avg=86.81, stdev=90.94 bw (KiB/s) : min= 19, max= 2902, per=40.79%, avg=958.54, stdev=718.11 write: io=12,524KiB, bw=213KiB/s, runt= 60080msec clat (msec): min= 28, max= 866, avg=184.04, stdev=135.95 bw (KiB/s) : min= 0, max= 1044, per=49.07%, avg=333.16, stdev=271.94 cpu : usr=0.73%, sys=0.49%, ctx=13872 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=0.9%, 10=6.1%, 20=14.3%, 50=16.9%, 100=20.2% lat (msec): 250=30.5%, 500=9.7%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21135 read : io=49,544KiB, bw=844KiB/s, runt= 60045msec clat (msec): min= 2, max= 571, avg=70.46, stdev=74.07 bw (KiB/s) : min= 6, max= 4779, per=46.82%, avg=1100.19, stdev=1003.49 write: io=13,464KiB, bw=229KiB/s, runt= 60045msec clat (msec): min= 21, max= 779, avg=169.88, stdev=123.37 bw (KiB/s) : min= 0, max= 1310, per=52.92%, avg=359.33, stdev=319.12 cpu : usr=0.83%, sys=0.47%, ctx=16021 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=0.8%, 10=6.1%, 20=17.3%, 50=18.3%, 100=22.3% lat (msec): 250=28.7%, 500=5.3%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21136 read : io=46,648KiB, bw=795KiB/s, runt= 60080msec clat (msec): min= 1, max= 670, avg=79.97, stdev=101.59 bw (KiB/s) : min= 11, max= 3368, per=44.56%, avg=1047.14, stdev=757.32 write: io=13,892KiB, bw=236KiB/s, runt= 60080msec clat (msec): min= 8, max= 535, avg=151.14, stdev=106.76 bw (KiB/s) : min= 0, max= 1383, per=56.65%, avg=384.63, stdev=313.89 cpu : usr=0.67%, sys=0.53%, ctx=15504 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=0.8%, 10=6.0%, 20=16.8%, 50=20.7%, 100=19.5% lat (msec): 250=27.2%, 500=6.8%, 750=1.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=135MiB, aggrb=2,350KiB/s, minb=710KiB/s, maxb=844KiB/s, mint=60045msec, maxt=60080msec WRITE: io=39,880KiB, aggrb=679KiB/s, minb=213KiB/s, maxb=236KiB/s, mint=60045msec, maxt=60080msec Disk stats (read/write): sda: ios=44441/649, merge=0/9401, ticks=151640/38452, in_queue=190088, util=99.72% 1.33user 0.94system 1:00.40elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45594minor)pagefaults 0swaps