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] [ 6684/ 0 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5071/ 650 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4640/ 572 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4847/ 853 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5489/ 251 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5518/ 410 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5851/ 268 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5282/ 333 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6517/ 256 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5396/ 0 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 6135/ 0 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5644/ 353 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5888/ 199 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5745/ 483 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5030/ 85 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4169/ 629 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4668/ 796 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2925/ 1503 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 5022/ 353 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3795/ 808 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4547/ 77 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4738/ 93 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 5920/ 264 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4071/ 211 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3242/ 377 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4461/ 479 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 4026/ 438 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2324/ 1820 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2994/ 739 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4490/ 369 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4230/ 532 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3031/ 1145 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3311/ 568 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3791/ 325 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2958/ 950 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3063/ 792 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3559/ 146 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 4132/ 249 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 4238/ 146 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 3527/ 475 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 3774/ 150 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3108/ 589 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1905/ 1385 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3892/ 121 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 4083/ 239 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1686/ 1454 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3279/ 381 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2947/ 263 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3900/ 232 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3368/ 20 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3260/ 660 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3364/ 216 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3416/ 112 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2058/ 976 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3832/ 80 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 4052/ 84 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3840/ 240 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=2537 read : io=77,800KiB, bw=1,327KiB/s, runt= 60026msec clat (msec): min= 0, max= 267, avg=32.93, stdev=53.15 bw (KiB/s) : min= 31, max= 4750, per=41.77%, avg=1740.82, stdev=1143.11 write: io=10,108KiB, bw=172KiB/s, runt= 60026msec clat (msec): min= 4, max= 458, avg=180.16, stdev=121.15 bw (KiB/s) : min= 0, max= 958, per=50.45%, avg=232.08, stdev=231.33 cpu : usr=1.09%, sys=0.70%, ctx=22294 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=4.5%, 4=4.3%, 10=15.5%, 20=40.4%, 50=12.7%, 100=4.0% lat (msec): 250=15.2%, 500=3.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2538 read : io=79,816KiB, bw=1,360KiB/s, runt= 60056msec clat (msec): min= 0, max= 476, avg=34.54, stdev=55.79 bw (KiB/s) : min= 5, max= 4616, per=45.65%, avg=1902.80, stdev=1235.09 write: io=8,892KiB, bw=151KiB/s, runt= 60056msec clat (msec): min= 13, max= 727, avg=188.19, stdev=122.41 bw (KiB/s) : min= 0, max= 1116, per=56.17%, avg=258.40, stdev=270.82 cpu : usr=1.27%, sys=0.70%, ctx=22467 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=3.2%, 4=3.1%, 10=15.7%, 20=40.3%, 50=14.3%, 100=4.7% lat (msec): 250=15.4%, 500=3.0%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2539 read : io=86,884KiB, bw=1,481KiB/s, runt= 60067msec clat (msec): min= 0, max= 590, avg=30.52, stdev=54.54 bw (KiB/s) : min= 26, max= 5290, per=45.51%, avg=1896.71, stdev=1208.01 write: io=8,032KiB, bw=136KiB/s, runt= 60066msec clat (msec): min= 4, max= 454, avg=174.97, stdev=120.65 bw (KiB/s) : min= 0, max= 922, per=45.47%, avg=209.15, stdev=210.55 cpu : usr=1.11%, sys=0.84%, ctx=24017 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=7.1%, 4=4.2%, 10=18.8%, 20=36.2%, 50=14.2%, 100=5.1% lat (msec): 250=11.3%, 500=2.8%, 750=0.1%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=239MiB, aggrb=4,168KiB/s, minb=1,327KiB/s, maxb=1,481KiB/s, mint=60026msec, maxt=60067msec WRITE: io=27,032KiB, aggrb=460KiB/s, minb=136KiB/s, maxb=172KiB/s, mint=60026msec, maxt=60067msec Disk stats (read/write): sda: ios=67883/543, merge=0/6306, ticks=141700/46164, in_queue=187864, util=99.65% 2.09user 1.50system 1:00.41elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (67883major+1147minor)pagefaults 0swaps