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] [ 2650/ 626 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 2772/ 728 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4489/ 212 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3737/ 82 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3454/ 673 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3520/ 401 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2520/ 909 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2284/ 208 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2296/ 693 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2666/ 1216 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2024/ 661 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 1776/ 1378 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 1815/ 1669 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 980/ 1831 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3410/ 693 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2189/ 1500 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1382/ 2315 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3690/ 949 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2103/ 55 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4174/ 519 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2170/ 393 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1807/ 1346 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2445/ 393 kb/s] [eta 00m:35s] Threads: 3: [mmm] [45.0% done] [ 3402/ 291 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2185/ 137 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2689/ 244 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2296/ 1197 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3308/ 748 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2430/ 287 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2780/ 834 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2174/ 78 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2882/ 291 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2938/ 787 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1988/ 547 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2532/ 1055 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1532/ 252 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1335/ 1102 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1484/ 1701 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1776/ 669 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1677/ 354 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3020/ 815 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1374/ 240 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3611/ 244 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3580/ 173 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3091/ 157 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 952/ 1132 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1480/ 260 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2392/ 356 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2124/ 476 kb/s] [eta 00m:08s] Threads: 3: [mmm] [90.0% done] [ 1944/ 300 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2248/ 60 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1304/ 844 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2104/ 612 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2908/ 480 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1904/ 24 kb/s] [eta 00m:01s] Threads: 3: [mmm] [100.0% done] [ 1560/ 200 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=24054 read : io=46,092KiB, bw=785KiB/s, runt= 60080msec clat (msec): min= 2, max= 527, avg=75.76, stdev=80.00 bw (KiB/s) : min= 4, max= 3171, per=39.60%, avg=965.45, stdev=795.61 write: io=14,440KiB, bw=246KiB/s, runt= 60079msec clat (msec): min= 14, max= 742, avg=170.67, stdev=134.72 bw (KiB/s) : min= 0, max= 1526, per=52.02%, avg=333.97, stdev=347.10 cpu : usr=0.89%, sys=0.53%, ctx=15487 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=0.5%, 10=5.4%, 20=16.8%, 50=20.3%, 100=19.6% lat (msec): 250=29.5%, 500=6.8%, 750=0.7%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24055 read : io=52,592KiB, bw=896KiB/s, runt= 60069msec clat (msec): min= 1, max= 463, avg=69.39, stdev=74.73 bw (KiB/s) : min= 12, max= 4218, per=45.77%, avg=1115.83, stdev=826.24 write: io=11,888KiB, bw=202KiB/s, runt= 60069msec clat (msec): min= 13, max= 1006, avg=185.08, stdev=158.16 bw (KiB/s) : min= 0, max= 1222, per=55.98%, avg=359.38, stdev=323.20 cpu : usr=0.90%, sys=0.57%, ctx=16413 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=0.4%, 10=7.1%, 20=18.6%, 50=21.3%, 100=19.5% lat (msec): 250=26.1%, 500=5.6%, 750=0.1%, 1000=0.3%, >=2000=0.1% fio: (groupid=0): err= 0: pid=24056 read : io=44,400KiB, bw=757KiB/s, runt= 60052msec clat (msec): min= 2, max= 616, avg=82.46, stdev=95.31 bw (KiB/s) : min= 6, max= 3060, per=38.38%, avg=935.59, stdev=812.02 write: io=11,372KiB, bw=193KiB/s, runt= 60052msec clat (msec): min= 14, max= 649, avg=183.17, stdev=139.24 bw (KiB/s) : min= 0, max= 1536, per=54.63%, avg=350.74, stdev=415.11 cpu : usr=0.69%, sys=0.50%, ctx=14192 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=0.7%, 10=5.8%, 20=18.1%, 50=19.8%, 100=20.0% lat (msec): 250=24.4%, 500=9.6%, 750=1.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=140MiB, aggrb=2,438KiB/s, minb=757KiB/s, maxb=896KiB/s, mint=60052msec, maxt=60080msec WRITE: io=37,700KiB, aggrb=642KiB/s, minb=193KiB/s, maxb=246KiB/s, mint=60052msec, maxt=60080msec Disk stats (read/write): sda: ios=45231/592, merge=76/8919, ticks=152800/42836, in_queue=195620, util=99.65% 1.48user 1.02system 1:00.45elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+46337minor)pagefaults 0swaps