fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [12.0% done] [ 12173/ 8396 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.7% done] [ 12929/ 7837 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.8% done] [ 15572/ 1256 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.0% done] [ 18459/ 0 kb/s] [eta 00m:18s] Threads: 3: [mmm] [28.0% done] [ 12299/ 3422 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 10535/ 5025 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 15556/ 669 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 17841/ 0 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.3% done] [ 14324/ 1630 kb/s] [eta 00m:15s] Threads: 3: [mmm] [44.4% done] [ 9152/ 4930 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 9026/ 5305 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 12118/ 949 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 11460/ 673 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 9814/ 1319 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 6860/ 2493 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 5100/ 4671 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 6191/ 2158 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 1874/ 5777 kb/s] [eta 00m:11s] Threads: 3: [mVV] [65.6% done] [ 8971/ 1685 kb/s] [eta 00m:11s] Threads: 3: [mVV] [66.7% done] [ 10901/ 19 kb/s] [eta 00m:11s] Threads: 3: [VVV] [67.6% done] [ 9620/ 0 kb/s] [eta 00m:11s] Threads: 3: [VVV] [72.7% done] [ 12984/ 0 kb/s] [eta 00m:09s] Threads: 1: [V__] [80.6% done] [ 14804/ 0 kb/s] [eta 00m:06s] fio: (groupid=0): err= 0: pid=11572 read : io=100MiB, bw=3,955KiB/s, runt= 26511msec slat (msec): min= 0, max= 3400, avg=654.66, stdev=1131.31 clat (msec): min= 0, max= 742, avg=89.87, stdev=113.33 bw (KiB/s) : min= 131, max=16579, per=36.76%, avg=4361.73, stdev=3706.49 write: io=30,264KiB, bw=1,341KiB/s, runt= 23099msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.23 clat (msec): min= 0, max= 1071, avg=133.17, stdev=185.09 bw (KiB/s) : min= 0, max= 6636, per=93.18%, avg=2609.05, stdev=1979.91 cpu : usr=3.61%, sys=0.18%, ctx=1711 IO depths : 1=0.2%, 2=0.3%, 4=11.6%, 8=87.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.5%, 10=6.2%, 20=17.7%, 50=37.5%, 100=8.5% lat (msec): 250=12.9%, 500=13.5%, 750=1.3%, 1000=0.5%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11573 read : io=100MiB, bw=4,160KiB/s, runt= 25203msec slat (msec): min= 0, max= 4208, avg=519.28, stdev=1106.95 clat (msec): min= 0, max= 791, avg=101.36, stdev=114.21 bw (KiB/s) : min= 27, max= 9360, per=38.03%, avg=4512.62, stdev=2484.14 write: io=13,928KiB, bw=672KiB/s, runt= 21214msec slat (msec): min= 0, max= 4, avg= 0.05, stdev= 0.36 clat (msec): min= 0, max= 737, avg=96.84, stdev=129.01 bw (KiB/s) : min= 0, max= 7129, per=59.90%, avg=1677.17, stdev=2045.71 cpu : usr=3.09%, sys=0.22%, ctx=1657 IO depths : 1=0.2%, 2=0.5%, 4=10.2%, 8=89.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.5%, 10=5.6%, 20=17.7%, 50=32.5%, 100=9.0% lat (msec): 250=18.4%, 500=14.4%, 750=0.7%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11574 read : io=100MiB, bw=4,210KiB/s, runt= 24904msec slat (msec): min= 0, max= 4497, avg=568.66, stdev=1164.49 clat (msec): min= 1, max= 629, avg=97.71, stdev=104.99 bw (KiB/s) : min= 199, max= 9524, per=38.88%, avg=4612.65, stdev=2541.03 write: io=18,988KiB, bw=942KiB/s, runt= 20629msec slat (msec): min= 0, max= 7, avg= 0.05, stdev= 0.39 clat (msec): min= 0, max= 1006, avg=99.91, stdev=142.41 bw (KiB/s) : min= 0, max= 4942, per=75.99%, avg=2127.86, stdev=1970.57 cpu : usr=3.34%, sys=0.24%, ctx=1702 IO depths : 1=0.1%, 2=0.2%, 4=10.7%, 8=88.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=1.0%, 10=5.0%, 20=15.8%, 50=34.4%, 100=10.0% lat (msec): 250=18.3%, 500=13.6%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,865KiB/s, minb=3,955KiB/s, maxb=4,210KiB/s, mint=24904msec, maxt=26511msec WRITE: io=63,180KiB, aggrb=2,800KiB/s, minb=672KiB/s, maxb=1,341KiB/s, mint=24904msec, maxt=26511msec Disk stats (read/write): sda: ios=4961/1226, merge=1323/209, ticks=497544/137080, in_queue=634652, util=99.08% 2.62user 0.20system 0:26.91elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2376minor)pagefaults 0swaps