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] [ 1865/ 1926 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3892/ 48 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 1881/ 1007 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2625/ 1003 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4161/ 223 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1515/ 1527 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2844/ 605 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1755/ 934 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3624/ 430 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4156/ 422 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2909/ 459 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4165/ 207 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3466/ 662 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3080/ 1361 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2929/ 386 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2555/ 1036 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1206/ 1796 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2137/ 548 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2763/ 300 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 983/ 1458 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2279/ 906 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2251/ 329 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3218/ 455 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 995/ 1601 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2027/ 954 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2295/ 166 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1292/ 357 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2555/ 463 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1470/ 1028 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3063/ 398 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 784/ 2238 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1950/ 1239 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2324/ 556 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2994/ 495 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2816/ 28 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2173/ 0 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1609/ 1019 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1072/ 1397 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3254/ 719 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2076/ 589 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 1629/ 434 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1609/ 182 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2685/ 52 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2291/ 1178 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2629/ 422 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 414/ 1227 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1877/ 256 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2169/ 219 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2991/ 97 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2096/ 112 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2964/ 24 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2076/ 608 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1896/ 260 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 948/ 1204 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1184/ 1648 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1120/ 1108 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2656/ 236 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=2061 read : io=48,148KiB, bw=820KiB/s, runt= 60082msec clat (msec): min= 2, max= 566, avg=78.57, stdev=90.16 bw (KiB/s) : min= 8, max= 3399, per=43.58%, avg=986.31, stdev=775.51 write: io=11,432KiB, bw=194KiB/s, runt= 60082msec clat (msec): min= 9, max= 560, avg=158.34, stdev=120.63 bw (KiB/s) : min= 0, max= 1019, per=41.04%, avg=303.72, stdev=293.61 cpu : usr=0.66%, sys=0.49%, ctx=15080 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=0.6%, 10=6.3%, 20=17.1%, 50=20.3%, 100=22.7% lat (msec): 250=23.8%, 500=8.2%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2062 read : io=40,336KiB, bw=687KiB/s, runt= 60061msec clat (msec): min= 1, max= 422, avg=75.53, stdev=73.53 bw (KiB/s) : min= 18, max= 3050, per=43.02%, avg=973.63, stdev=753.85 write: io=20,096KiB, bw=342KiB/s, runt= 60061msec clat (msec): min= 8, max= 753, avg=150.82, stdev=128.14 bw (KiB/s) : min= 0, max= 1548, per=62.73%, avg=464.24, stdev=375.16 cpu : usr=0.83%, sys=0.55%, ctx=15374 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=0.5%, 10=5.2%, 20=13.1%, 50=19.9%, 100=22.6% lat (msec): 250=30.6%, 500=6.7%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2063 read : io=44,316KiB, bw=755KiB/s, runt= 60077msec clat (msec): min= 1, max= 507, avg=84.45, stdev=88.73 bw (KiB/s) : min= 1, max= 4223, per=43.37%, avg=981.39, stdev=898.40 write: io=11,896KiB, bw=202KiB/s, runt= 60077msec clat (msec): min= 10, max= 1144, avg=190.12, stdev=169.21 bw (KiB/s) : min= 0, max= 1338, per=46.54%, avg=344.40, stdev=335.72 cpu : usr=0.81%, sys=0.41%, ctx=14255 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=0.9%, 10=4.8%, 20=16.8%, 50=17.8%, 100=19.6% lat (msec): 250=29.3%, 500=9.0%, 750=0.7%, 1000=0.2%, >=2000=0.2% Run status group 0 (all jobs): READ: io=130MiB, aggrb=2,263KiB/s, minb=687KiB/s, maxb=820KiB/s, mint=60061msec, maxt=60082msec WRITE: io=43,424KiB, aggrb=740KiB/s, minb=194KiB/s, maxb=342KiB/s, mint=60061msec, maxt=60082msec Disk stats (read/write): sda: ios=44129/680, merge=141/10255, ticks=154292/39788, in_queue=194064, util=99.72% 1.38user 0.94system 1:00.36elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (44056major+1148minor)pagefaults 0swaps