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] [ 11868/ 452 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 11188/ 632 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 8176/ 312 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 14364/ 432 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 6852/ 1428 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5128/ 444 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3000/ 2500 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5308/ 124 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 9588/ 84 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 6732/ 132 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 10412/ 196 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 9468/ 848 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 12928/ 476 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2352/ 2936 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 6188/ 328 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 9644/ 172 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 7452/ 936 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5228/ 464 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 5724/ 436 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 5516/ 104 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 5600/ 188 kb/s] [eta 00m:37s] Threads: 2: [mm_] [40.0% done] [ 9928/ 1492 kb/s] [eta 00m:36s] Threads: 2: [mm_] [41.7% done] [ 4736/ 256 kb/s] [eta 00m:35s] Threads: 2: [mm_] [43.3% done] [ 5188/ 0 kb/s] [eta 00m:34s] Threads: 2: [mm_] [45.0% done] [ 4172/ 96 kb/s] [eta 00m:33s] Threads: 2: [mm_] [46.7% done] [ 4660/ 32 kb/s] [eta 00m:32s] Threads: 2: [mm_] [48.3% done] [ 4204/ 888 kb/s] [eta 00m:31s] Threads: 2: [mm_] [50.0% done] [ 4292/ 0 kb/s] [eta 00m:30s] Threads: 2: [mm_] [51.7% done] [ 3880/ 560 kb/s] [eta 00m:29s] Threads: 2: [mm_] [53.3% done] [ 3720/ 380 kb/s] [eta 00m:28s] Threads: 2: [mm_] [55.0% done] [ 4180/ 236 kb/s] [eta 00m:27s] Threads: 2: [mm_] [56.7% done] [ 4032/ 224 kb/s] [eta 00m:26s] Threads: 2: [mm_] [58.3% done] [ 2888/ 776 kb/s] [eta 00m:25s] Threads: 2: [mm_] [60.0% done] [ 3468/ 1052 kb/s] [eta 00m:24s] Threads: 2: [mm_] [61.7% done] [ 3812/ 288 kb/s] [eta 00m:23s] Threads: 2: [mm_] [63.3% done] [ 3784/ 284 kb/s] [eta 00m:22s] Threads: 2: [mm_] [65.0% done] [ 3588/ 108 kb/s] [eta 00m:21s] Threads: 2: [mm_] [66.7% done] [ 4000/ 68 kb/s] [eta 00m:20s] Threads: 2: [mm_] [68.3% done] [ 3808/ 288 kb/s] [eta 00m:19s] Threads: 2: [mm_] [71.7% done] [ 4500/ 80 kb/s] [eta 00m:17s] Threads: 2: [mm_] [73.3% done] [ 2804/ 768 kb/s] [eta 00m:16s] Threads: 2: [mm_] [75.0% done] [ 3604/ 424 kb/s] [eta 00m:15s] Threads: 2: [mm_] [76.7% done] [ 3740/ 84 kb/s] [eta 00m:14s] Threads: 2: [mm_] [78.3% done] [ 3612/ 468 kb/s] [eta 00m:13s] Threads: 2: [mm_] [80.0% done] [ 2872/ 476 kb/s] [eta 00m:12s] Threads: 2: [mm_] [81.7% done] [ 1712/ 924 kb/s] [eta 00m:11s] Threads: 1: [_m_] [83.3% done] [ 12964/ 1364 kb/s] [eta 00m:10s] Threads: 1: [_m_] [85.0% done] [ 3368/ 436 kb/s] [eta 00m:09s] fio: (groupid=0): err= 0: pid=5165 read : io=100MiB, bw=2,101KiB/s, runt= 49890msec clat (msec): min= 0, max= 319, avg=18.78, stdev=34.75 bw (KiB/s) : min= 18, max= 5089, per=40.85%, avg=2466.81, stdev=1378.15 write: io=11,120KiB, bw=228KiB/s, runt= 49825msec clat (msec): min= 10, max= 479, avg=109.09, stdev=103.68 bw (KiB/s) : min= 0, max= 1455, per=58.67%, avg=314.49, stdev=325.13 cpu : usr=1.71%, sys=1.00%, ctx=25868 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=21.8%, 4=4.8%, 10=14.5%, 20=31.8%, 50=15.4%, 100=2.4% lat (msec): 250=8.4%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5166 read : io=100MiB, bw=2,013KiB/s, runt= 52087msec clat (msec): min= 0, max= 323, avg=18.19, stdev=34.70 bw (KiB/s) : min= 15, max= 5059, per=37.93%, avg=2290.45, stdev=1456.68 write: io=12,648KiB, bw=248KiB/s, runt= 52015msec clat (msec): min= 1, max= 454, avg=93.65, stdev=92.13 bw (KiB/s) : min= 0, max= 1815, per=72.13%, avg=386.64, stdev=455.78 cpu : usr=1.61%, sys=0.99%, ctx=25954 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=24.0%, 4=4.2%, 10=16.1%, 20=30.5%, 50=13.3%, 100=1.9% lat (msec): 250=9.2%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5167 read : io=100MiB, bw=4,364KiB/s, runt= 24023msec clat (msec): min= 0, max= 272, avg= 8.69, stdev=30.35 bw (KiB/s) : min= 25, max=21024, per=86.87%, avg=5246.35, stdev=4720.96 write: io=3,500KiB, bw=149KiB/s, runt= 24003msec clat (msec): min= 0, max= 453, avg=134.84, stdev=100.92 bw (KiB/s) : min= 0, max= 704, per=36.52%, avg=195.73, stdev=207.84 cpu : usr=3.23%, sys=0.78%, ctx=6068 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=71.1%, 4=2.3%, 10=6.4%, 20=10.7%, 50=2.3%, 100=1.4% lat (msec): 250=5.3%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=6,039KiB/s, minb=2,013KiB/s, maxb=4,364KiB/s, mint=24023msec, maxt=52087msec WRITE: io=27,268KiB, aggrb=536KiB/s, minb=149KiB/s, maxb=248KiB/s, mint=24023msec, maxt=52087msec Disk stats (read/write): sda: ios=57174/712, merge=0/6186, ticks=97496/41312, in_queue=138804, util=99.21% 2.46user 1.24system 0:52.46elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (57174major+27561minor)pagefaults 0swaps