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] [37.5% done] [ 8261/ 55495 kb/s] [eta 00m:05s] Threads: 3: [mFm] [36.4% done] [ 2373/ 25856 kb/s] [eta 00m:07s] Threads: 3: [FFm] [62.5% done] [ 341/ 45864 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 0/ 13805 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] [70.0% done] [ 3587/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 27676/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [76.2% done] [ 25136/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.0% done] [ 27721/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 26595/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 20821/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [95.2% done] [ 21642/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [95.5% done] [ 23129/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 27822/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 27513/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 33865/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=3563 read : io=100MiB, bw=4,272KiB/s, runt= 24542msec clat (msec): min= 0, max= 902, avg= 7.95, stdev=43.12 bw (KiB/s) : min= 0, max=37061, per=58.39%, avg=7483.56, stdev=8756.91 write: io=94,936KiB, bw=7,073KiB/s, runt= 13743msec clat (msec): min= 0, max= 47, avg= 0.13, stdev= 1.90 bw (KiB/s) : min= 0, max=67198, per=144.10%, avg=29000.00, stdev=34530.35 cpu : usr=5.13%, sys=1.43%, ctx=462 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=88.6%, 4=1.1%, 10=3.2%, 20=2.9%, 50=2.1%, 100=1.2% lat (msec): 250=0.6%, 500=0.2%, 750=0.0%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3564 read : io=100MiB, bw=4,593KiB/s, runt= 22828msec clat (msec): min= 0, max= 433, avg= 6.34, stdev=22.56 bw (KiB/s) : min= 3, max=18907, per=64.40%, avg=8254.48, stdev=5547.36 write: io=88,540KiB, bw=6,594KiB/s, runt= 13748msec clat (msec): min= 0, max= 3, avg= 0.00, stdev= 0.08 bw (KiB/s) : min= 0, max=55687, per=138.35%, avg=27843.50, stdev=39376.66 cpu : usr=5.29%, sys=1.49%, ctx=564 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=89.2%, 4=0.5%, 10=2.1%, 20=3.4%, 50=2.9%, 100=1.2% lat (msec): 250=0.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3565 read : io=100MiB, bw=4,434KiB/s, runt= 23648msec clat (msec): min= 0, max= 728, avg= 8.51, stdev=31.59 bw (KiB/s) : min= 1, max=19349, per=55.69%, avg=7138.15, stdev=4549.90 write: io=86,728KiB, bw=6,464KiB/s, runt= 13739msec clat (msec): min= 0, max= 31, avg= 0.11, stdev= 1.42 bw (KiB/s) : min= 0, max=76783, per=127.23%, avg=25605.33, stdev=44321.16 cpu : usr=5.16%, sys=1.49%, ctx=486 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=87.2%, 4=0.7%, 10=2.1%, 20=4.3%, 50=3.0%, 100=1.7% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,817KiB/s, minb=4,272KiB/s, maxb=4,593KiB/s, mint=22828msec, maxt=24542msec WRITE: io=264MiB, aggrb=20,125KiB/s, minb=6,464KiB/s, maxb=7,073KiB/s, mint=22828msec, maxt=24542msec Disk stats (read/write): sda: ios=1998/1546, merge=47/66065, ticks=89172/1385884, in_queue=1475056, util=99.11% 3.69user 1.04system 0:24.87elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (2major+1072minor)pagefaults 0swaps