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] [ 5712/ 0 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5156/ 212 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5244/ 932 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4704/ 744 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2248/ 2668 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 4808/ 292 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4996/ 704 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 1692/ 2692 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3624/ 1388 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 6352/ 148 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 6004/ 212 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4128/ 984 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4500/ 508 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5420/ 140 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4020/ 716 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5156/ 332 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 2248/ 2712 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3460/ 652 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3968/ 364 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4216/ 472 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2028/ 2232 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3272/ 1040 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 5228/ 72 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4216/ 836 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 3972/ 40 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4308/ 720 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3704/ 936 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3656/ 380 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4140/ 108 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4268/ 332 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3164/ 620 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4420/ 120 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 4052/ 140 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3692/ 500 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 4928/ 60 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 4144/ 40 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3608/ 400 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 3960/ 48 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3484/ 480 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 3864/ 352 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 4392/ 76 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 4380/ 16 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2124/ 1308 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3416/ 332 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3248/ 492 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 4200/ 212 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 4036/ 56 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3244/ 256 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3588/ 68 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3476/ 164 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3660/ 180 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3540/ 484 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3944/ 116 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3332/ 172 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3388/ 136 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3896/ 16 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=15113 read : io=86,328KiB, bw=1,473KiB/s, runt= 60000msec clat (msec): min= 0, max= 280, avg=28.23, stdev=48.85 bw (KiB/s) : min= 2, max= 5752, per=45.94%, avg=1855.56, stdev=1142.62 write: io=9,240KiB, bw=157KiB/s, runt= 60000msec clat (msec): min= 34, max= 648, avg=175.32, stdev=108.13 bw (KiB/s) : min= 0, max= 1209, per=47.94%, avg=263.66, stdev=285.27 cpu : usr=1.21%, sys=0.69%, ctx=24056 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=8.5%, 4=5.2%, 10=18.9%, 20=38.9%, 50=9.6%, 100=3.9% lat (msec): 250=13.0%, 500=1.8%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15114 read : io=73,772KiB, bw=1,258KiB/s, runt= 60022msec clat (msec): min= 0, max= 291, avg=32.49, stdev=53.42 bw (KiB/s) : min= 8, max= 5372, per=43.71%, avg=1765.43, stdev=1211.54 write: io=11,804KiB, bw=201KiB/s, runt= 60021msec clat (msec): min= 11, max= 486, avg=201.79, stdev=120.95 bw (KiB/s) : min= 0, max= 1285, per=54.41%, avg=299.27, stdev=334.59 cpu : usr=1.01%, sys=0.74%, ctx=21586 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=2.8%, 4=4.7%, 10=17.0%, 20=38.8%, 50=12.7%, 100=4.7% lat (msec): 250=15.3%, 500=3.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15115 read : io=76,772KiB, bw=1,309KiB/s, runt= 60044msec clat (msec): min= 0, max= 305, avg=34.44, stdev=55.40 bw (KiB/s) : min= 24, max= 5103, per=41.17%, avg=1662.77, stdev=1043.63 write: io=11,224KiB, bw=191KiB/s, runt= 60043msec clat (msec): min= 16, max= 515, avg=180.37, stdev=112.08 bw (KiB/s) : min= 0, max= 1236, per=52.25%, avg=287.35, stdev=282.58 cpu : usr=1.07%, sys=0.86%, ctx=22219 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=4.2%, 4=4.4%, 10=14.4%, 20=42.5%, 50=10.3%, 100=4.3% lat (msec): 250=16.3%, 500=3.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=231MiB, aggrb=4,039KiB/s, minb=1,258KiB/s, maxb=1,473KiB/s, mint=60000msec, maxt=60044msec WRITE: io=32,268KiB, aggrb=550KiB/s, minb=157KiB/s, maxb=201KiB/s, mint=60000msec, maxt=60044msec Disk stats (read/write): sda: ios=67285/593, merge=0/7560, ticks=140160/54388, in_queue=194544, util=99.72% 1.98user 1.57system 1:00.36elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (67285major+1146minor)pagefaults 0swaps