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] [ 3551/ 235 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1840/ 1267 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 3348/ 1365 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 719/ 1897 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3653/ 1133 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2761/ 211 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3100/ 349 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2531/ 0 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3299/ 946 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2149/ 1296 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2652/ 0 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2724/ 0 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4004/ 180 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2844/ 968 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2768/ 280 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2644/ 884 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2588/ 444 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3528/ 216 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2912/ 276 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3456/ 324 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 1980/ 264 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1592/ 1300 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2688/ 724 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2440/ 1340 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 4272/ 324 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4048/ 60 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3072/ 184 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2464/ 868 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1888/ 1496 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2036/ 1340 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2056/ 652 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1644/ 816 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1152/ 1016 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2486/ 92 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1420/ 516 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1784/ 1268 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1728/ 456 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1928/ 984 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1712/ 1064 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1608/ 560 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 2368/ 880 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1800/ 112 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1504/ 1008 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2440/ 300 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2944/ 160 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1964/ 548 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1692/ 244 kb/s] [eta 00m:11s] Threads: 3: [mmm] [85.0% done] [ 2352/ 168 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2452/ 24 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1792/ 160 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1652/ 1268 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1392/ 416 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2892/ 172 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1256/ 468 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1864/ 728 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2228/ 40 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=16252 read : io=42,704KiB, bw=728KiB/s, runt= 60019msec clat (msec): min= 1, max= 603, avg=92.97, stdev=105.29 bw (KiB/s) : min= 6, max= 3598, per=38.01%, avg=903.59, stdev=711.77 write: io=12,700KiB, bw=216KiB/s, runt= 60019msec clat (msec): min= 10, max= 726, avg=179.51, stdev=142.83 bw (KiB/s) : min= 0, max= 1149, per=60.87%, avg=392.00, stdev=357.76 cpu : usr=0.71%, sys=0.44%, ctx=14129 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=0.4%, 4=1.7%, 10=4.5%, 20=16.9%, 50=19.1%, 100=17.8% lat (msec): 250=27.6%, 500=10.0%, 750=1.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16253 read : io=49,200KiB, bw=839KiB/s, runt= 60017msec clat (msec): min= 0, max= 529, avg=81.49, stdev=81.75 bw (KiB/s) : min= 71, max= 3318, per=43.66%, avg=1037.82, stdev=650.32 write: io=12,532KiB, bw=213KiB/s, runt= 60017msec clat (msec): min= 15, max= 621, avg=163.00, stdev=125.30 bw (KiB/s) : min= 0, max= 1578, per=63.73%, avg=410.40, stdev=402.11 cpu : usr=0.83%, sys=0.55%, ctx=15701 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=0.5%, 4=0.7%, 10=5.7%, 20=15.1%, 50=17.1%, 100=24.8% lat (msec): 250=27.9%, 500=6.9%, 750=0.8%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16254 read : io=47,512KiB, bw=810KiB/s, runt= 60042msec clat (msec): min= 2, max= 881, avg=81.12, stdev=90.51 bw (KiB/s) : min= 14, max= 3440, per=40.68%, avg=966.94, stdev=746.30 write: io=12,568KiB, bw=214KiB/s, runt= 60042msec clat (msec): min= 16, max= 769, avg=159.68, stdev=118.03 bw (KiB/s) : min= 0, max= 1610, per=56.47%, avg=363.64, stdev=355.28 cpu : usr=0.85%, sys=0.52%, ctx=15319 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=4.6%, 20=16.0%, 50=18.5%, 100=22.9% lat (msec): 250=28.2%, 500=7.7%, 750=0.2%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=136MiB, aggrb=2,377KiB/s, minb=728KiB/s, maxb=839KiB/s, mint=60017msec, maxt=60042msec WRITE: io=37,800KiB, aggrb=644KiB/s, minb=213KiB/s, maxb=216KiB/s, mint=60017msec, maxt=60042msec Disk stats (read/write): sda: ios=44304/575, merge=0/8960, ticks=154808/37640, in_queue=192440, util=99.75% 1.42user 0.92system 1:00.30elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45453minor)pagefaults 0swaps