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] [ 2945/ 47 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 2701/ 299 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4745/ 126 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2654/ 795 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2174/ 1236 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2839/ 0 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2957/ 1008 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2615/ 78 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3576/ 94 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 3154/ 716 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3754/ 1027 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3020/ 1084 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 956/ 1904 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2012/ 796 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4360/ 308 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4508/ 168 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2184/ 824 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2388/ 152 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2800/ 144 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3104/ 460 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3668/ 552 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2060/ 500 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2516/ 1240 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2212/ 632 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2440/ 628 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2516/ 676 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1228/ 1200 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1136/ 1696 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2972/ 308 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3864/ 188 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1956/ 740 kb/s] [eta 00m:27s] Threads: 3: [mmm] [58.3% done] [ 1464/ 884 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3556/ 300 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2816/ 356 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2536/ 672 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3744/ 192 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2168/ 0 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 4512/ 300 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 3428/ 220 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 2460/ 440 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1884/ 572 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2660/ 320 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1880/ 904 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1276/ 468 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2032/ 268 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1892/ 392 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1980/ 476 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3688/ 60 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2104/ 252 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1108/ 932 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1860/ 552 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2144/ 124 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 968/ 820 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1796/ 576 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2544/ 348 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1896/ 624 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=24097 read : io=52,304KiB, bw=891KiB/s, runt= 60055msec clat (msec): min= 1, max= 487, avg=71.43, stdev=82.36 bw (KiB/s) : min= 7, max= 3926, per=44.92%, avg=1177.90, stdev=992.42 write: io=10,176KiB, bw=173KiB/s, runt= 60055msec clat (msec): min= 16, max= 666, avg=191.42, stdev=134.92 bw (KiB/s) : min= 0, max= 1092, per=49.06%, avg=264.43, stdev=244.14 cpu : usr=0.83%, sys=0.55%, ctx=15874 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=0.2%, 4=1.9%, 10=7.6%, 20=19.8%, 50=19.4%, 100=17.1% lat (msec): 250=25.0%, 500=8.1%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24098 read : io=48,908KiB, bw=834KiB/s, runt= 60032msec clat (msec): min= 0, max= 656, avg=67.66, stdev=76.42 bw (KiB/s) : min= 14, max= 4047, per=43.29%, avg=1135.00, stdev=909.21 write: io=14,280KiB, bw=243KiB/s, runt= 60032msec clat (msec): min= 18, max= 950, avg=174.31, stdev=145.06 bw (KiB/s) : min= 0, max= 1189, per=68.88%, avg=371.25, stdev=317.81 cpu : usr=0.75%, sys=0.67%, ctx=16105 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=1.2%, 10=6.3%, 20=19.1%, 50=18.5%, 100=21.4% lat (msec): 250=26.0%, 500=5.7%, 750=0.9%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24099 read : io=52,588KiB, bw=897KiB/s, runt= 60026msec clat (msec): min= 2, max= 705, avg=72.02, stdev=82.31 bw (KiB/s) : min= 5, max= 3873, per=41.40%, avg=1085.50, stdev=791.35 write: io=7,188KiB, bw=122KiB/s, runt= 60026msec clat (msec): min= 25, max= 1012, avg=217.79, stdev=202.75 bw (KiB/s) : min= 0, max= 810, per=40.58%, avg=218.74, stdev=257.67 cpu : usr=0.87%, sys=0.53%, ctx=15134 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=9.1%, 20=20.0%, 50=19.2%, 100=20.6% lat (msec): 250=21.5%, 500=7.3%, 750=0.9%, 1000=0.2%, >=2000=0.3% Run status group 0 (all jobs): READ: io=150MiB, aggrb=2,622KiB/s, minb=834KiB/s, maxb=897KiB/s, mint=60026msec, maxt=60055msec WRITE: io=31,644KiB, aggrb=539KiB/s, minb=122KiB/s, maxb=243KiB/s, mint=60026msec, maxt=60055msec Disk stats (read/write): sda: ios=46381/541, merge=34/7455, ticks=153192/36584, in_queue=189764, util=99.72% 1.47user 1.05system 1:00.36elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+47520minor)pagefaults 0swaps