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] [ 9492/ 0 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1897/ 4941 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4900/ 3299 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2308/ 5790 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4286/ 2929 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 698/ 6030 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5725/ 3132 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 9179/ 251 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 7781/ 0 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5067/ 3047 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4725/ 1357 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4494/ 2397 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2494/ 2848 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4449/ 2356 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5392/ 0 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4636/ 1560 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4916/ 942 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2921/ 2373 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3620/ 2381 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4612/ 2795 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4522/ 1186 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4591/ 0 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3868/ 845 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4128/ 646 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1556/ 861 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1706/ 650 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1345/ 1019 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2783/ 434 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1808/ 1093 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 568/ 1076 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 865/ 1166 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 698/ 1052 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1141/ 434 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2157/ 0 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1410/ 739 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 869/ 845 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1572/ 1255 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 816/ 1365 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 918/ 784 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1202/ 743 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1690/ 296 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1393/ 686 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1702/ 56 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 755/ 1304 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 719/ 1064 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1531/ 528 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1061/ 841 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1820/ 0 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 893/ 1312 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1418/ 572 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1999/ 325 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1808/ 841 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1922/ 609 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1015/ 967 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1296/ 954 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1751/ 560 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1426/ 1381 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 837/ 556 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=14771 read : io=46,356KiB, bw=745KiB/s, runt= 63685msec clat (msec): min= 0, max= 977, avg=69.29, stdev=116.26 bw (KiB/s) : min= 6, max= 5031, per=36.06%, avg=948.41, stdev=1106.19 write: io=24,520KiB, bw=394KiB/s, runt= 63681msec clat (msec): min= 0, max= 579, avg=73.51, stdev=112.41 bw (KiB/s) : min= 0, max= 3408, per=55.19%, avg=720.77, stdev=830.24 cpu : usr=0.87%, sys=0.38%, ctx=7088 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=45.7%, 4=0.5%, 10=2.0%, 20=5.9%, 50=8.6%, 100=12.6% lat (msec): 250=15.1%, 500=8.7%, 750=0.4%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14772 read : io=61,180KiB, bw=985KiB/s, runt= 63584msec clat (msec): min= 0, max= 491, avg=49.95, stdev=74.70 bw (KiB/s) : min= 6, max= 6610, per=47.10%, avg=1238.63, stdev=1343.12 write: io=28,688KiB, bw=462KiB/s, runt= 63579msec clat (msec): min= 0, max= 419, avg=48.56, stdev=73.80 bw (KiB/s) : min= 0, max= 5005, per=68.90%, avg=899.83, stdev=1178.46 cpu : usr=1.04%, sys=0.28%, ctx=8416 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=45.5%, 4=0.8%, 10=2.5%, 20=7.5%, 50=9.4%, 100=14.0% lat (msec): 250=16.9%, 500=3.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14773 read : io=56,032KiB, bw=901KiB/s, runt= 63670msec clat (msec): min= 0, max= 469, avg=54.50, stdev=79.21 bw (KiB/s) : min= 3, max= 3763, per=42.65%, avg=1121.67, stdev=961.38 write: io=28,016KiB, bw=450KiB/s, runt= 63665msec clat (msec): min= 0, max= 415, avg=59.37, stdev=85.18 bw (KiB/s) : min= 0, max= 3703, per=66.09%, avg=863.20, stdev=1006.21 cpu : usr=0.99%, sys=0.43%, ctx=8791 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=42.4%, 4=0.6%, 10=3.0%, 20=8.0%, 50=10.0%, 100=12.5% lat (msec): 250=19.4%, 500=3.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=160MiB, aggrb=2,630KiB/s, minb=745KiB/s, maxb=985KiB/s, mint=63584msec, maxt=63685msec WRITE: io=81,224KiB, aggrb=1,306KiB/s, minb=394KiB/s, maxb=462KiB/s, mint=63584msec, maxt=63685msec Disk stats (read/write): sda: ios=24221/957, merge=0/19419, ticks=177764/5223584, in_queue=5401344, util=99.56% 1.85user 0.75system 1:04.12elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (24221major+38138minor)pagefaults 0swaps