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] [ 6012/ 248 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4884/ 764 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5180/ 680 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5964/ 864 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 6136/ 0 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 4092/ 764 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3896/ 1432 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5532/ 652 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6240/ 160 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4360/ 588 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4984/ 1100 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4100/ 1048 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5040/ 272 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5740/ 0 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5760/ 468 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4552/ 332 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5064/ 444 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 1544/ 2584 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4336/ 644 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 5428/ 516 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4076/ 620 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 5160/ 108 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4416/ 632 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4816/ 0 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 4276/ 252 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4220/ 228 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 4908/ 0 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 4168/ 472 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4744/ 20 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3284/ 724 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1948/ 2052 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4580/ 388 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3944/ 188 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2556/ 1372 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3992/ 436 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3572/ 204 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3716/ 308 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 4432/ 12 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 4020/ 8 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 3912/ 248 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3324/ 812 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2632/ 1128 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3888/ 132 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3516/ 80 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3260/ 320 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3480/ 68 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 4592/ 56 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3612/ 56 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3532/ 4 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3476/ 256 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3408/ 248 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2108/ 1180 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3396/ 172 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3352/ 320 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 4896/ 304 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3475/ 224 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=5594 read : io=90,056KiB, bw=1,536KiB/s, runt= 60015msec clat (msec): min= 0, max= 320, avg=29.46, stdev=51.28 bw (KiB/s) : min= 2, max= 4553, per=45.58%, avg=1940.84, stdev=1084.06 write: io=8,716KiB, bw=148KiB/s, runt= 60015msec clat (msec): min= 5, max= 473, avg=164.00, stdev=123.97 bw (KiB/s) : min= 0, max= 1118, per=64.68%, avg=302.72, stdev=327.93 cpu : usr=1.32%, sys=0.78%, ctx=24870 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=9.9%, 4=3.9%, 10=19.5%, 20=37.8%, 50=10.9%, 100=3.5% lat (msec): 250=12.4%, 500=1.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5595 read : io=75,224KiB, bw=1,283KiB/s, runt= 60004msec clat (msec): min= 0, max= 1647, avg=36.69, stdev=76.55 bw (KiB/s) : min= 3, max= 4169, per=41.79%, avg=1779.63, stdev=1132.03 write: io=9,236KiB, bw=157KiB/s, runt= 60004msec clat (msec): min= 15, max= 483, avg=192.72, stdev=135.02 bw (KiB/s) : min= 0, max= 999, per=55.69%, avg=260.61, stdev=275.02 cpu : usr=1.05%, sys=0.59%, ctx=21281 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=15.7%, 20=38.1%, 50=13.8%, 100=4.3% lat (msec): 250=15.5%, 500=3.5%, 750=0.0%, 1000=0.0%, >=2000=0.1% fio: (groupid=0): err= 0: pid=5596 read : io=84,332KiB, bw=1,438KiB/s, runt= 60021msec clat (msec): min= 0, max= 490, avg=32.40, stdev=55.01 bw (KiB/s) : min= 12, max= 3992, per=41.66%, avg=1773.67, stdev=1095.90 write: io=9,520KiB, bw=162KiB/s, runt= 60021msec clat (msec): min= 2, max= 481, avg=175.66, stdev=129.57 bw (KiB/s) : min= 0, max= 1456, per=64.12%, avg=300.10, stdev=339.44 cpu : usr=1.21%, sys=0.68%, ctx=23608 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=8.0%, 4=4.7%, 10=15.5%, 20=39.4%, 50=11.5%, 100=4.3% lat (msec): 250=13.1%, 500=3.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=244MiB, aggrb=4,258KiB/s, minb=1,283KiB/s, maxb=1,536KiB/s, mint=60004msec, maxt=60021msec WRITE: io=27,472KiB, aggrb=468KiB/s, minb=148KiB/s, maxb=162KiB/s, mint=60004msec, maxt=60021msec Disk stats (read/write): sda: ios=69271/506, merge=0/6441, ticks=145276/40320, in_queue=185592, util=99.69% 2.16user 1.39system 1:00.32elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (69270major+1149minor)pagefaults 0swaps