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] [ 2336/ 912 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1392/ 1628 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2896/ 800 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 864/ 1100 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2708/ 960 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3120/ 1024 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 1904/ 848 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2184/ 652 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3524/ 456 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 1852/ 820 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2620/ 908 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2112/ 0 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2064/ 1100 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2684/ 888 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 1660/ 1464 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2036/ 1480 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1628/ 620 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 1588/ 1756 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 1516/ 1144 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2092/ 1376 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2104/ 1560 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2256/ 556 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1424/ 668 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2684/ 560 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2368/ 308 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 916/ 1172 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2988/ 172 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3896/ 244 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2132/ 824 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2396/ 300 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2548/ 756 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4788/ 20 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2840/ 672 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2968/ 360 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3108/ 40 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1304/ 1572 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1832/ 0 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2724/ 244 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1272/ 1048 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 1892/ 1316 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 484/ 1820 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1924/ 344 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2860/ 736 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1240/ 844 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2428/ 368 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2140/ 348 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2480/ 916 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 864/ 1548 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1904/ 516 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1792/ 572 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 444/ 1116 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 616/ 1448 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3236/ 672 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2032/ 568 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 792/ 1256 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3484/ 464 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=22820 read : io=43,392KiB, bw=740KiB/s, runt= 60040msec clat (msec): min= 1, max= 641, avg=80.25, stdev=97.16 bw (KiB/s) : min= 6, max= 3110, per=42.27%, avg=936.76, stdev=779.27 write: io=14,080KiB, bw=240KiB/s, runt= 60040msec clat (msec): min= 4, max= 574, avg=151.59, stdev=115.18 bw (KiB/s) : min= 0, max= 1462, per=46.56%, avg=370.59, stdev=324.27 cpu : usr=0.64%, sys=0.61%, ctx=14572 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=0.5%, 10=6.3%, 20=15.6%, 50=20.3%, 100=21.1% lat (msec): 250=26.3%, 500=7.8%, 750=1.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22821 read : io=43,188KiB, bw=736KiB/s, runt= 60022msec clat (msec): min= 0, max= 426, avg=71.15, stdev=68.95 bw (KiB/s) : min= 3, max= 2702, per=43.92%, avg=973.31, stdev=722.81 write: io=17,188KiB, bw=293KiB/s, runt= 60021msec clat (msec): min= 10, max= 888, avg=167.94, stdev=133.15 bw (KiB/s) : min= 0, max= 1195, per=48.75%, avg=388.08, stdev=308.33 cpu : usr=0.84%, sys=0.54%, ctx=15335 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=0.5%, 10=4.8%, 20=14.5%, 50=18.5%, 100=23.3% lat (msec): 250=30.6%, 500=6.4%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22822 read : io=43,356KiB, bw=739KiB/s, runt= 60011msec clat (msec): min= 2, max= 509, avg=72.98, stdev=82.47 bw (KiB/s) : min= 2, max= 2909, per=43.79%, avg=970.28, stdev=811.45 write: io=15,456KiB, bw=263KiB/s, runt= 60011msec clat (msec): min= 9, max= 1000, avg=165.31, stdev=130.09 bw (KiB/s) : min= 0, max= 1098, per=45.22%, avg=359.96, stdev=288.36 cpu : usr=0.67%, sys=0.60%, ctx=14940 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=1.1%, 10=7.2%, 20=18.1%, 50=17.1%, 100=19.4% lat (msec): 250=28.7%, 500=7.5%, 750=0.3%, 1000=0.0%, >=2000=0.2% Run status group 0 (all jobs): READ: io=127MiB, aggrb=2,216KiB/s, minb=736KiB/s, maxb=740KiB/s, mint=60011msec, maxt=60040msec WRITE: io=46,724KiB, aggrb=796KiB/s, minb=240KiB/s, maxb=293KiB/s, mint=60011msec, maxt=60040msec Disk stats (read/write): sda: ios=44165/758, merge=0/11005, ticks=148440/46240, in_queue=194672, util=99.74% 1.29user 1.06system 1:00.37elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45333minor)pagefaults 0swaps