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] [ 3376/ 1724 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5476/ 864 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2696/ 1832 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4356/ 1224 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4696/ 460 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2720/ 2176 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5832/ 144 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5156/ 796 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 5512/ 328 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 3520/ 2008 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5565/ 452 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4456/ 856 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3880/ 1212 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4964/ 884 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5504/ 120 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4368/ 0 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5476/ 316 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5100/ 0 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 5068/ 228 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4384/ 708 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4640/ 312 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4872/ 80 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4620/ 748 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4224/ 368 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 4120/ 348 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4055/ 116 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2832/ 848 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 4836/ 364 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3256/ 984 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2712/ 720 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4536/ 288 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3232/ 644 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2772/ 780 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3220/ 1044 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 4008/ 548 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 4616/ 244 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3400/ 488 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2996/ 600 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2408/ 1196 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2304/ 1412 kb/s] [eta 00m:18s] Threads: 3: [mmm] [73.3% done] [ 3404/ 420 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 4120/ 120 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3336/ 512 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2452/ 828 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3120/ 744 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2332/ 708 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3932/ 0 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2604/ 880 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2916/ 476 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3684/ 24 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3032/ 384 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2720/ 400 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 4188/ 120 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3500/ 292 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3716/ 0 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 4196/ 108 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=5189 read : io=71,372KiB, bw=1,216KiB/s, runt= 60088msec clat (msec): min= 0, max= 2226, avg=36.56, stdev=90.17 bw (KiB/s) : min= 8, max= 4608, per=43.08%, avg=1710.81, stdev=1239.65 write: io=12,172KiB, bw=207KiB/s, runt= 60088msec clat (msec): min= 7, max= 478, avg=160.40, stdev=103.00 bw (KiB/s) : min= 0, max= 1530, per=50.61%, avg=297.10, stdev=291.34 cpu : usr=1.22%, sys=0.67%, ctx=21115 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=2.3%, 4=3.1%, 10=15.9%, 20=39.0%, 50=13.9%, 100=6.6% lat (msec): 250=15.8%, 500=3.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5190 read : io=78,460KiB, bw=1,338KiB/s, runt= 60011msec clat (msec): min= 0, max= 259, avg=31.51, stdev=52.87 bw (KiB/s) : min= 3, max= 4777, per=45.03%, avg=1788.33, stdev=1241.89 write: io=11,944KiB, bw=203KiB/s, runt= 60011msec clat (msec): min= 1, max= 477, avg=158.99, stdev=107.84 bw (KiB/s) : min= 0, max= 1362, per=52.07%, avg=305.66, stdev=311.59 cpu : usr=1.21%, sys=0.80%, ctx=22819 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=4.6%, 4=4.1%, 10=17.1%, 20=39.2%, 50=11.7%, 100=6.3% lat (msec): 250=14.4%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5191 read : io=83,224KiB, bw=1,418KiB/s, runt= 60076msec clat (msec): min= 0, max= 334, avg=31.45, stdev=52.13 bw (KiB/s) : min= 13, max= 4555, per=43.55%, avg=1729.51, stdev=1084.65 write: io=10,360KiB, bw=176KiB/s, runt= 60076msec clat (msec): min= 13, max= 467, avg=150.43, stdev=103.71 bw (KiB/s) : min= 0, max= 1324, per=45.90%, avg=269.42, stdev=266.05 cpu : usr=1.27%, sys=0.85%, ctx=23605 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=6.8%, 4=4.4%, 10=16.0%, 20=38.2%, 50=11.4%, 100=6.6% lat (msec): 250=14.3%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=228MiB, aggrb=3,971KiB/s, minb=1,216KiB/s, maxb=1,418KiB/s, mint=60011msec, maxt=60088msec WRITE: io=34,476KiB, aggrb=587KiB/s, minb=176KiB/s, maxb=207KiB/s, mint=60011msec, maxt=60088msec Disk stats (read/write): sda: ios=66883/664, merge=0/8023, ticks=140776/45584, in_queue=186356, util=99.83% 2.23user 1.50system 1:00.38elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (66883major+1144minor)pagefaults 0swaps