fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [17.6% done] [ 10140/ 82864 kb/s] [eta 00m:14s] Threads: 3: [mFm] [21.1% done] [ 9384/ 22000 kb/s] [eta 00m:15s] Threads: 3: [mFm] [23.8% done] [ 7648/ 29396 kb/s] [eta 00m:16s] Threads: 3: [FFm] [25.0% done] [ 1624/ 2852 kb/s] [eta 00m:18s] Threads: 3: [FFm] [25.9% done] [ 1012/ 0 kb/s] [eta 00m:20s] Threads: 3: [FFF] [100.0% done] [ 368/ 63164 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [66.7% done] [ 72/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [67.9% done] [ 20760/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [74.1% done] [ 26480/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [77.8% done] [ 24468/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [84.6% done] [ 26608/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [92.0% done] [ 35060/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 33981/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 28068/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30960/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 29876/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=16472 read : io=100MiB, bw=3,833KiB/s, runt= 27354msec clat (msec): min= 0, max= 262, avg= 7.36, stdev=28.77 bw (KiB/s) : min= 0, max=14055, per=58.92%, avg=6688.87, stdev=4511.59 write: io=89,260KiB, bw=5,034KiB/s, runt= 18155msec clat (msec): min= 0, max= 219, avg= 0.40, stdev= 7.01 bw (KiB/s) : min= 0, max=109838, per=197.07%, avg=28941.00, stdev=54002.83 cpu : usr=4.39%, sys=1.18%, ctx=948 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=81.8%, 4=5.3%, 10=6.9%, 20=2.3%, 50=1.8%, 100=0.5% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16473 read : io=100MiB, bw=3,897KiB/s, runt= 26904msec clat (msec): min= 0, max= 275, avg= 6.21, stdev=27.20 bw (KiB/s) : min= 14, max=22691, per=75.81%, avg=8606.40, stdev=6160.95 write: io=93,624KiB, bw=5,280KiB/s, runt= 18155msec clat (msec): min= 0, max= 68, avg= 0.22, stdev= 2.61 bw (KiB/s) : min= 0, max=56411, per=144.18%, avg=21173.67, stdev=30722.80 cpu : usr=4.58%, sys=1.25%, ctx=879 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=83.2%, 4=4.4%, 10=7.4%, 20=1.8%, 50=1.7%, 100=0.5% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16474 read : io=100MiB, bw=3,784KiB/s, runt= 27707msec clat (msec): min= 0, max= 292, avg= 9.04, stdev=29.22 bw (KiB/s) : min= 6, max=15010, per=49.12%, avg=5577.13, stdev=3801.53 write: io=77,508KiB, bw=4,372KiB/s, runt= 18151msec clat (msec): min= 0, max= 122, avg= 0.31, stdev= 4.07 bw (KiB/s) : min= 0, max=91963, per=213.35%, avg=31332.00, stdev=52517.82 cpu : usr=4.10%, sys=1.23%, ctx=1084 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=78.5%, 4=4.6%, 10=8.0%, 20=3.2%, 50=3.2%, 100=1.0% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,353KiB/s, minb=3,784KiB/s, maxb=3,897KiB/s, mint=26904msec, maxt=27707msec WRITE: io=254MiB, aggrb=14,686KiB/s, minb=4,372KiB/s, maxb=5,280KiB/s, mint=26904msec, maxt=27707msec Disk stats (read/write): sda: ios=3714/2867, merge=1376/62216, ticks=84252/2098100, in_queue=2182348, util=99.20% 3.56user 1.08system 0:28.04elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1084minor)pagefaults 0swaps