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] [ 6053/ 2847 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 6813/ 1677 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 6624/ 1122 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 1933/ 6474 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3509/ 8581 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 4367/ 3304 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 2930/ 1725 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3682/ 2934 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 4548/ 2827 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 3052/ 4178 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 7144/ 874 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 6553/ 1142 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3335/ 1559 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 6218/ 760 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 6368/ 456 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5828/ 1004 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 1457/ 4005 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 2808/ 4454 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4560/ 2875 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4710/ 1685 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2646/ 1142 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 685/ 3174 kb/s] [eta 00m:36s] Threads: 3: [mmm] [43.3% done] [ 1512/ 1209 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1090/ 2252 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 1961/ 1445 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 535/ 2134 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2922/ 291 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1220/ 811 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1107/ 1446 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 924/ 880 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1084/ 476 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1708/ 448 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 816/ 1072 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1868/ 1096 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1512/ 764 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2356/ 252 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 2256/ 212 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2508/ 208 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 1980/ 184 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 516/ 1944 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 600/ 1608 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1352/ 588 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 592/ 1840 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1344/ 1164 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1496/ 1060 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 744/ 1872 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1512/ 784 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 1160/ 1672 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1948/ 380 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1048/ 984 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 832/ 1092 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1308/ 876 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1156/ 924 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 816/ 1316 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3632/ 252 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 1004/ 752 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 488/ 248 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=15086 read : io=42,552KiB, bw=674KiB/s, runt= 64604msec clat (msec): min= 0, max= 841, avg=73.33, stdev=121.63 bw (KiB/s) : min= 2, max= 3721, per=37.75%, avg=911.71, stdev=966.84 write: io=31,468KiB, bw=498KiB/s, runt= 64600msec clat (msec): min= 0, max= 639, avg=61.48, stdev=100.23 bw (KiB/s) : min= 0, max= 3946, per=54.33%, avg=854.02, stdev=987.44 cpu : usr=0.90%, sys=0.36%, ctx=7408 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=45.2%, 4=0.9%, 10=2.3%, 20=6.4%, 50=8.4%, 100=11.7% lat (msec): 250=16.8%, 500=6.5%, 750=1.0%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15087 read : io=60,516KiB, bw=952KiB/s, runt= 65069msec clat (msec): min= 0, max= 478, avg=40.46, stdev=73.97 bw (KiB/s) : min= 2, max= 6203, per=51.53%, avg=1244.56, stdev=1313.87 write: io=34,644KiB, bw=545KiB/s, runt= 65063msec clat (msec): min= 0, max= 375, avg=45.57, stdev=67.46 bw (KiB/s) : min= 0, max= 4227, per=60.23%, avg=946.75, stdev=1010.40 cpu : usr=1.20%, sys=0.41%, ctx=9002 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=47.6%, 4=1.4%, 10=4.5%, 20=8.6%, 50=9.4%, 100=12.4% lat (msec): 250=13.0%, 500=2.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15088 read : io=50,400KiB, bw=793KiB/s, runt= 65046msec clat (msec): min= 0, max= 458, avg=58.00, stdev=85.58 bw (KiB/s) : min= 7, max= 5082, per=42.32%, avg=1022.13, stdev=1081.93 write: io=33,796KiB, bw=532KiB/s, runt= 65041msec clat (msec): min= 0, max= 621, avg=52.75, stdev=88.72 bw (KiB/s) : min= 0, max= 5428, per=61.61%, avg=968.45, stdev=1420.96 cpu : usr=1.16%, sys=0.34%, ctx=8137 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=45.7%, 4=0.5%, 10=2.6%, 20=6.9%, 50=10.4%, 100=12.0% lat (msec): 250=16.8%, 500=4.5%, 750=0.1%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=150MiB, aggrb=2,415KiB/s, minb=674KiB/s, maxb=952KiB/s, mint=64604msec, maxt=65069msec WRITE: io=99,908KiB, aggrb=1,572KiB/s, minb=498KiB/s, maxb=545KiB/s, mint=64604msec, maxt=65069msec Disk stats (read/write): sda: ios=24481/1190, merge=0/23843, ticks=177996/6338468, in_queue=6516464, util=99.79% 2.12user 0.80system 1:05.40elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (24481major+40030minor)pagefaults 0swaps