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] [ 5092/ 1268 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4060/ 1464 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4208/ 1036 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4872/ 1136 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3824/ 1656 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5524/ 724 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5304/ 540 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5956/ 696 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 4824/ 172 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5048/ 320 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5216/ 168 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4996/ 988 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5632/ 184 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5452/ 132 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5428/ 36 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 3984/ 580 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 4896/ 392 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5652/ 180 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 5524/ 232 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3552/ 956 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2408/ 2036 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4692/ 580 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3832/ 716 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4288/ 12 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3712/ 384 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2192/ 1844 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 2228/ 1584 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 4836/ 260 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4548/ 132 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4732/ 76 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4752/ 60 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4476/ 68 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 4020/ 128 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 4000/ 138 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 4017/ 334 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3546/ 146 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 4088/ 344 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 3816/ 192 kb/s] [eta 00m:20s] Threads: 3: [mmm] [70.0% done] [ 3452/ 400 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 4196/ 32 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 4148/ 100 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3636/ 88 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 4004/ 364 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3868/ 0 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3896/ 56 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3184/ 440 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3644/ 420 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3468/ 252 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 4376/ 72 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3964/ 8 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3500/ 196 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3516/ 164 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3496/ 400 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3576/ 204 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3833/ 350 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3028/ 932 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=5178 read : io=88,848KiB, bw=1,516KiB/s, runt= 60000msec clat (msec): min= 0, max= 270, avg=28.64, stdev=50.90 bw (KiB/s) : min= 22, max= 3791, per=41.96%, avg=1785.32, stdev=987.69 write: io=10,100KiB, bw=172KiB/s, runt= 60000msec clat (msec): min= 10, max= 491, avg=182.99, stdev=113.18 bw (KiB/s) : min= 0, max= 1523, per=70.90%, avg=328.29, stdev=353.99 cpu : usr=1.26%, sys=0.91%, ctx=24880 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=10.9%, 4=5.3%, 10=17.6%, 20=38.2%, 50=10.0%, 100=3.1% lat (msec): 250=12.6%, 500=2.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5179 read : io=74,240KiB, bw=1,266KiB/s, runt= 60018msec clat (msec): min= 0, max= 353, avg=37.13, stdev=59.19 bw (KiB/s) : min= 25, max= 3847, per=37.77%, avg=1606.96, stdev=1037.08 write: io=10,328KiB, bw=176KiB/s, runt= 60018msec clat (msec): min= 22, max= 482, avg=191.58, stdev=108.50 bw (KiB/s) : min= 0, max= 1286, per=58.87%, avg=272.59, stdev=295.48 cpu : usr=1.14%, sys=0.69%, ctx=21321 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=3.4%, 4=4.2%, 10=16.1%, 20=37.0%, 50=13.5%, 100=3.9% lat (msec): 250=18.6%, 500=3.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5180 read : io=86,392KiB, bw=1,473KiB/s, runt= 60030msec clat (msec): min= 0, max= 395, avg=31.34, stdev=53.28 bw (KiB/s) : min= 14, max= 6207, per=45.52%, avg=1936.97, stdev=1199.57 write: io=6,740KiB, bw=114KiB/s, runt= 60030msec clat (msec): min= 4, max= 483, avg=187.45, stdev=122.87 bw (KiB/s) : min= 0, max= 897, per=49.25%, avg=228.02, stdev=240.65 cpu : usr=1.15%, sys=0.93%, ctx=23425 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=6.5%, 4=5.3%, 10=17.3%, 20=39.2%, 50=11.5%, 100=3.8% lat (msec): 250=13.7%, 500=2.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=244MiB, aggrb=4,255KiB/s, minb=1,266KiB/s, maxb=1,516KiB/s, mint=60000msec, maxt=60030msec WRITE: io=27,168KiB, aggrb=463KiB/s, minb=114KiB/s, maxb=176KiB/s, mint=60000msec, maxt=60030msec Disk stats (read/write): sda: ios=69162/475, merge=0/6376, ticks=141616/42684, in_queue=184296, util=99.46% 2.13user 1.66system 1:00.52elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (69161major+1145minor)pagefaults 0swaps