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] [ 3360/ 24 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 2488/ 708 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3592/ 224 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2612/ 448 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3108/ 424 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3180/ 468 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2360/ 996 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3556/ 896 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2176/ 952 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 1456/ 1684 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5068/ 0 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5520/ 288 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2492/ 888 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3188/ 320 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2776/ 80 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 1764/ 1224 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2028/ 768 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 1748/ 1300 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2864/ 1000 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 1448/ 1276 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3228/ 172 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1148/ 2144 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3076/ 424 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2104/ 988 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2272/ 664 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 264/ 1496 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2200/ 396 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2644/ 772 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1488/ 1088 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2860/ 92 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2784/ 168 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2160/ 912 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1908/ 924 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1924/ 1320 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2228/ 508 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2040/ 240 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2368/ 136 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1624/ 780 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3232/ 92 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2796/ 1232 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1736/ 172 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1432/ 204 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3196/ 396 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1572/ 532 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2844/ 596 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2576/ 40 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2292/ 136 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2444/ 576 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1652/ 516 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3696/ 316 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3872/ 368 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 968/ 1092 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1864/ 608 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2256/ 168 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2084/ 64 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2276/ 164 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=17995 read : io=53,248KiB, bw=907KiB/s, runt= 60109msec clat (msec): min= 1, max= 595, avg=77.66, stdev=89.58 bw (KiB/s) : min= 12, max= 4589, per=44.51%, avg=1125.24, stdev=984.43 write: io=8,768KiB, bw=149KiB/s, runt= 60109msec clat (msec): min= 19, max= 738, avg=185.06, stdev=131.64 bw (KiB/s) : min= 0, max= 1014, per=47.58%, avg=281.18, stdev=273.10 cpu : usr=0.84%, sys=0.53%, ctx=15655 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=0.6%, 10=5.8%, 20=19.2%, 50=19.0%, 100=21.4% lat (msec): 250=25.2%, 500=7.5%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17996 read : io=55,976KiB, bw=954KiB/s, runt= 60077msec clat (msec): min= 2, max= 394, avg=68.98, stdev=76.16 bw (KiB/s) : min= 6, max= 3585, per=43.05%, avg=1088.21, stdev=815.36 write: io=10,664KiB, bw=181KiB/s, runt= 60077msec clat (msec): min= 10, max= 578, avg=153.63, stdev=111.85 bw (KiB/s) : min= 0, max= 913, per=54.90%, avg=324.46, stdev=295.42 cpu : usr=0.79%, sys=0.61%, ctx=16852 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=7.4%, 20=20.9%, 50=19.0%, 100=21.5% lat (msec): 250=24.0%, 500=5.7%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17997 read : io=39,200KiB, bw=667KiB/s, runt= 60112msec clat (msec): min= 2, max= 425, avg=80.00, stdev=84.58 bw (KiB/s) : min= 21, max= 2848, per=36.34%, avg=918.64, stdev=713.92 write: io=15,272KiB, bw=260KiB/s, runt= 60112msec clat (msec): min= 16, max= 1904, avg=198.23, stdev=212.90 bw (KiB/s) : min= 0, max= 1285, per=64.03%, avg=378.43, stdev=332.72 cpu : usr=0.54%, sys=0.55%, ctx=13846 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=6.7%, 20=14.1%, 50=18.9%, 100=19.1% lat (msec): 250=29.1%, 500=8.7%, 750=1.5%, 1000=0.2%, >=2000=0.2% Run status group 0 (all jobs): READ: io=145MiB, aggrb=2,528KiB/s, minb=667KiB/s, maxb=954KiB/s, mint=60077msec, maxt=60112msec WRITE: io=34,704KiB, aggrb=591KiB/s, minb=149KiB/s, maxb=260KiB/s, mint=60077msec, maxt=60112msec Disk stats (read/write): sda: ios=45782/594, merge=0/8146, ticks=153152/49800, in_queue=202948, util=99.57% 1.30user 1.03system 1:00.50elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (45782major+1144minor)pagefaults 0swaps