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] [ 2392/ 1116 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 2100/ 1416 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2488/ 756 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3796/ 0 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2792/ 0 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3264/ 0 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2844/ 0 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1268/ 1416 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 820/ 2024 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4436/ 1064 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2408/ 1132 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 3072/ 488 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2536/ 396 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 1456/ 1136 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2036/ 1728 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2536/ 1328 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3444/ 408 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3164/ 208 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2740/ 0 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2276/ 1704 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3096/ 708 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2908/ 72 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2056/ 1428 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1697/ 996 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2193/ 563 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4281/ 43 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1795/ 838 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2189/ 0 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1693/ 661 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3662/ 456 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2477/ 496 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3430/ 153 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3568/ 547 kb/s] [eta 00m:25s] Threads: 3: [mmm] [61.7% done] [ 2670/ 854 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2996/ 342 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2406/ 559 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1823/ 980 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1551/ 582 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1858/ 1386 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 622/ 1343 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1323/ 393 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2481/ 244 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2693/ 0 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1866/ 834 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2004/ 795 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 437/ 1472 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2717/ 645 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2359/ 563 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 500/ 1378 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1465/ 701 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2225/ 0 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1981/ 590 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1374/ 504 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 964/ 1240 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1906/ 866 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2378/ 189 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=19029 read : io=42,840KiB, bw=730KiB/s, runt= 60029msec clat (msec): min= 2, max= 693, avg=86.86, stdev=93.72 bw (KiB/s) : min= 15, max= 3070, per=38.67%, avg=895.87, stdev=658.57 write: io=11,728KiB, bw=200KiB/s, runt= 60029msec clat (msec): min= 24, max= 923, avg=167.44, stdev=135.86 bw (KiB/s) : min= 0, max= 1305, per=43.81%, avg=309.73, stdev=290.26 cpu : usr=0.57%, sys=0.51%, ctx=13832 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=6.2%, 20=14.4%, 50=17.1%, 100=20.5% lat (msec): 250=31.7%, 500=7.7%, 750=0.9%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19030 read : io=48,380KiB, bw=825KiB/s, runt= 60022msec clat (msec): min= 0, max= 487, avg=79.30, stdev=84.07 bw (KiB/s) : min= 7, max= 2940, per=41.99%, avg=972.94, stdev=719.97 write: io=15,048KiB, bw=256KiB/s, runt= 60022msec clat (msec): min= 15, max= 600, avg=141.37, stdev=95.99 bw (KiB/s) : min= 0, max= 1142, per=55.56%, avg=392.82, stdev=326.64 cpu : usr=0.80%, sys=0.67%, ctx=16072 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=0.8%, 4=0.6%, 10=6.8%, 20=13.4%, 50=18.9%, 100=22.6% lat (msec): 250=29.7%, 500=6.6%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19031 read : io=44,616KiB, bw=761KiB/s, runt= 60008msec clat (msec): min= 2, max= 603, avg=78.73, stdev=89.13 bw (KiB/s) : min= 6, max= 2959, per=43.86%, avg=1016.27, stdev=819.80 write: io=14,696KiB, bw=250KiB/s, runt= 60008msec clat (msec): min= 17, max= 1247, avg=164.13, stdev=141.00 bw (KiB/s) : min= 0, max= 1553, per=55.90%, avg=395.20, stdev=354.01 cpu : usr=0.78%, sys=0.63%, ctx=15048 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=1.2%, 10=4.7%, 20=14.4%, 50=20.5%, 100=23.1% lat (msec): 250=26.8%, 500=8.0%, 750=0.7%, 1000=0.0%, >=2000=0.2% Run status group 0 (all jobs): READ: io=133MiB, aggrb=2,317KiB/s, minb=730KiB/s, maxb=825KiB/s, mint=60008msec, maxt=60029msec WRITE: io=41,472KiB, aggrb=707KiB/s, minb=200KiB/s, maxb=256KiB/s, mint=60008msec, maxt=60029msec Disk stats (read/write): sda: ios=44327/732, merge=0/9704, ticks=151836/48856, in_queue=200688, util=99.77% 1.29user 1.08system 1:00.26elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45476minor)pagefaults 0swaps