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] [ 4291/ 207 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3571/ 264 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4660/ 150 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2214/ 1913 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4217/ 219 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1897/ 1129 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2003/ 2332 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 2454/ 1661 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3668/ 191 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5237/ 495 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 6030/ 89 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 1397/ 3291 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3267/ 1564 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3827/ 4 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4124/ 625 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2531/ 2234 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1771/ 1930 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3161/ 1137 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3216/ 867 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2149/ 1670 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2791/ 386 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3279/ 845 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3478/ 0 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4473/ 1327 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 4595/ 572 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2234/ 1401 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2409/ 264 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3067/ 203 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4433/ 142 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1901/ 1381 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2125/ 1129 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2230/ 548 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3210/ 0 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3657/ 243 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2929/ 906 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2381/ 613 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 759/ 1040 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2165/ 272 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3298/ 646 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2885/ 654 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 2970/ 593 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1690/ 1109 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2677/ 418 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3065/ 517 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3173/ 292 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1804/ 759 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 4437/ 154 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3157/ 219 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2287/ 422 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2238/ 674 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2234/ 243 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1381/ 1011 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1905/ 1031 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1700/ 642 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1503/ 963 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 999/ 1267 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2897/ 235 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=23116 read : io=51,252KiB, bw=874KiB/s, runt= 60019msec clat (msec): min= 0, max= 447, avg=61.91, stdev=71.18 bw (KiB/s) : min= 5, max= 3724, per=38.27%, avg=1105.72, stdev=897.37 write: io=16,224KiB, bw=276KiB/s, runt= 60018msec clat (msec): min= 5, max= 927, avg=156.46, stdev=131.50 bw (KiB/s) : min= 0, max= 1396, per=53.33%, avg=406.91, stdev=401.24 cpu : usr=0.89%, sys=0.58%, ctx=17103 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=0.7%, 4=1.7%, 10=6.0%, 20=21.7%, 50=19.5%, 100=19.5% lat (msec): 250=24.8%, 500=5.3%, 750=0.3%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23117 read : io=59,172KiB, bw=1,009KiB/s, runt= 60008msec clat (msec): min= 0, max= 515, avg=57.96, stdev=70.52 bw (KiB/s) : min= 17, max= 3809, per=41.43%, avg=1197.01, stdev=964.87 write: io=14,420KiB, bw=246KiB/s, runt= 60008msec clat (msec): min= 13, max= 402, avg=125.56, stdev=87.62 bw (KiB/s) : min= 0, max= 1604, per=47.87%, avg=365.28, stdev=352.46 cpu : usr=0.89%, sys=0.53%, ctx=18626 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=2.1%, 10=9.4%, 20=23.7%, 50=19.8%, 100=18.2% lat (msec): 250=21.2%, 500=4.5%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23118 read : io=58,980KiB, bw=1,006KiB/s, runt= 60034msec clat (msec): min= 0, max= 553, avg=56.25, stdev=68.37 bw (KiB/s) : min= 18, max= 3844, per=43.25%, avg=1249.58, stdev=933.85 write: io=14,092KiB, bw=240KiB/s, runt= 60034msec clat (msec): min= 13, max= 730, avg=124.84, stdev=96.60 bw (KiB/s) : min= 0, max= 1889, per=54.13%, avg=413.02, stdev=401.56 cpu : usr=1.01%, sys=0.53%, ctx=18506 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=1.8%, 10=7.3%, 20=25.3%, 50=20.6%, 100=19.3% lat (msec): 250=21.2%, 500=3.4%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=165MiB, aggrb=2,889KiB/s, minb=874KiB/s, maxb=1,009KiB/s, mint=60008msec, maxt=60034msec WRITE: io=44,736KiB, aggrb=763KiB/s, minb=240KiB/s, maxb=276KiB/s, mint=60008msec, maxt=60034msec Disk stats (read/write): sda: ios=53535/715, merge=0/10550, ticks=150852/37316, in_queue=188164, util=99.71% 1.68user 0.98system 1:00.33elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+54709minor)pagefaults 0swaps