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] [12.5% done] [ 7845/ 10795 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.7% done] [ 19475/ 2456 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.8% done] [ 6072/ 12424 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.0% done] [ 7005/ 7403 kb/s] [eta 00m:18s] Threads: 3: [mmm] [28.0% done] [ 15537/ 94 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 13516/ 1047 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 14918/ 2075 kb/s] [eta 00m:17s] Threads: 3: [mmm] [37.0% done] [ 12504/ 2020 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 11551/ 3398 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 9842/ 3686 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 11618/ 1756 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 5848/ 6364 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 7313/ 5017 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 5265/ 6163 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 6943/ 3962 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 5545/ 5001 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 4505/ 5478 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 5616/ 3221 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 6175/ 1996 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 12819/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 17045/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 18569/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 18833/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [84.4% done] [ 16793/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=29011 read : io=100MiB, bw=3,834KiB/s, runt= 27349msec slat (msec): min= 0, max= 5187, avg=720.25, stdev=1401.46 clat (msec): min= 4, max= 718, avg=96.42, stdev=87.89 bw (KiB/s) : min= 70, max= 9742, per=36.82%, avg=4171.80, stdev=2435.29 write: io=33,648KiB, bw=1,560KiB/s, runt= 22082msec slat (msec): min= 0, max= 5, avg= 0.09, stdev= 0.42 clat (msec): min= 0, max= 847, avg=128.38, stdev=130.60 bw (KiB/s) : min= 0, max= 7056, per=58.29%, avg=2587.67, stdev=2076.99 cpu : usr=3.28%, sys=0.25%, ctx=1761 IO depths : 1=0.1%, 2=0.2%, 4=11.3%, 8=88.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.3%, 10=3.2%, 20=11.5%, 50=21.9%, 100=23.7% lat (msec): 250=31.2%, 500=7.1%, 750=0.7%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=29012 read : io=100MiB, bw=3,776KiB/s, runt= 27763msec slat (msec): min= 0, max= 7586, avg=1939.99, stdev=2691.76 clat (msec): min= 2, max= 432, avg=87.62, stdev=75.72 bw (KiB/s) : min= 32, max= 8642, per=38.12%, avg=4319.10, stdev=2351.79 write: io=34,988KiB, bw=1,712KiB/s, runt= 20927msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.27 clat (msec): min= 0, max= 844, avg=99.43, stdev=111.77 bw (KiB/s) : min= 0, max= 6166, per=64.04%, avg=2842.95, stdev=2231.17 cpu : usr=3.46%, sys=0.22%, ctx=1820 IO depths : 1=0.1%, 2=0.3%, 4=14.8%, 8=84.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.9%, 10=3.7%, 20=11.8%, 50=23.2%, 100=24.7% lat (msec): 250=28.4%, 500=5.4%, 750=0.3%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=29013 read : io=100MiB, bw=3,835KiB/s, runt= 27341msec slat (msec): min= 0, max= 5768, avg=1035.43, stdev=1718.18 clat (msec): min= 1, max= 586, avg=94.08, stdev=82.46 bw (KiB/s) : min= 13, max= 7821, per=36.65%, avg=4153.00, stdev=2180.97 write: io=27,104KiB, bw=1,282KiB/s, runt= 21635msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.21 clat (msec): min= 0, max= 981, avg=104.27, stdev=119.89 bw (KiB/s) : min= 0, max= 6030, per=51.43%, avg=2283.00, stdev=1808.23 cpu : usr=3.17%, sys=0.18%, ctx=1831 IO depths : 1=0.1%, 2=0.3%, 4=12.4%, 8=87.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.5%, 10=2.5%, 20=11.0%, 50=24.0%, 100=24.9% lat (msec): 250=30.0%, 500=5.7%, 750=0.4%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,330KiB/s, minb=3,776KiB/s, maxb=3,835KiB/s, mint=27341msec, maxt=27763msec WRITE: io=95,740KiB, aggrb=4,439KiB/s, minb=1,282KiB/s, maxb=1,712KiB/s, mint=27341msec, maxt=27763msec Disk stats (read/write): sda: ios=5029/1768, merge=1668/520, ticks=488564/350920, in_queue=839484, util=99.54% 2.77user 0.19system 0:28.06elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2405minor)pagefaults 0swaps