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] [ 4464/ 1148 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3992/ 408 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2720/ 824 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3796/ 644 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2324/ 116 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1332/ 1844 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2928/ 352 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3152/ 1124 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3964/ 72 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 1772/ 240 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2776/ 756 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 964/ 940 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3376/ 372 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 1824/ 800 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4120/ 340 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 984/ 1720 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3628/ 492 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3076/ 476 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2280/ 352 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 1668/ 756 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3216/ 16 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3228/ 220 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2768/ 240 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2080/ 1504 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2872/ 1072 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2960/ 576 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2532/ 140 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3192/ 692 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2612/ 732 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2784/ 772 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2040/ 36 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2228/ 916 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1556/ 532 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2756/ 752 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1856/ 376 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2900/ 72 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1516/ 932 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1820/ 868 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 928/ 1084 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2356/ 728 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1972/ 0 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2640/ 308 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1628/ 972 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1696/ 308 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2208/ 944 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3272/ 412 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2604/ 592 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3052/ 188 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1324/ 1400 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2440/ 448 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1900/ 392 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1596/ 624 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2752/ 212 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2288/ 428 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2056/ 180 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2404/ 476 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=32320 read : io=40,032KiB, bw=683KiB/s, runt= 60017msec clat (msec): min= 1, max= 588, avg=78.63, stdev=90.29 bw (KiB/s) : min= 5, max= 2733, per=37.71%, avg=927.03, stdev=685.19 write: io=15,008KiB, bw=256KiB/s, runt= 60017msec clat (msec): min= 12, max= 678, avg=180.20, stdev=124.49 bw (KiB/s) : min= 0, max= 1333, per=58.06%, avg=359.39, stdev=310.24 cpu : usr=0.71%, sys=0.49%, ctx=14193 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=1.2%, 10=6.8%, 20=16.1%, 50=17.5%, 100=18.4% lat (msec): 250=27.0%, 500=11.6%, 750=0.7%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32321 read : io=53,600KiB, bw=914KiB/s, runt= 60027msec clat (msec): min= 1, max= 437, avg=75.24, stdev=77.02 bw (KiB/s) : min= 13, max= 3434, per=43.03%, avg=1057.63, stdev=774.22 write: io=11,320KiB, bw=193KiB/s, runt= 60027msec clat (msec): min= 12, max= 719, avg=164.37, stdev=116.22 bw (KiB/s) : min= 0, max= 1302, per=53.09%, avg=328.64, stdev=329.09 cpu : usr=0.85%, sys=0.51%, ctx=16513 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=0.6%, 10=5.5%, 20=17.3%, 50=20.6%, 100=19.1% lat (msec): 250=29.1%, 500=6.5%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32322 read : io=50,476KiB, bw=861KiB/s, runt= 60017msec clat (msec): min= 1, max= 556, avg=78.09, stdev=78.63 bw (KiB/s) : min= 33, max= 3060, per=39.02%, avg=959.21, stdev=658.78 write: io=9,972KiB, bw=170KiB/s, runt= 60017msec clat (msec): min= 11, max= 529, avg=180.69, stdev=120.56 bw (KiB/s) : min= 0, max= 1042, per=45.18%, avg=279.65, stdev=264.90 cpu : usr=0.68%, sys=0.57%, ctx=15372 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=1.0%, 10=3.8%, 20=16.5%, 50=19.7%, 100=23.2% lat (msec): 250=27.4%, 500=6.9%, 750=0.8%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=141MiB, aggrb=2,458KiB/s, minb=683KiB/s, maxb=914KiB/s, mint=60017msec, maxt=60027msec WRITE: io=36,300KiB, aggrb=619KiB/s, minb=170KiB/s, maxb=256KiB/s, mint=60017msec, maxt=60027msec Disk stats (read/write): sda: ios=45102/568, merge=0/8585, ticks=152024/42700, in_queue=194720, util=99.74% 1.35user 0.96system 1:00.33elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (45102major+1147minor)pagefaults 0swaps