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: [FFm] [42.9% done] [ 430/ 44340 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 706/ 37606 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: [VVF] [66.7% done] [ 18388/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [68.4% done] [ 39678/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [77.8% done] [ 43654/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [88.2% done] [ 43314/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [94.1% done] [ 43104/ 0 kb/s] [eta 00m:01s] Threads: 2: [V_V] [100.0% done] [ 42648/ 0 kb/s] [eta 00m:00s] Threads: 1: [E_V] [100.0% done] [ 44832/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=16609 read : io=100MiB, bw=5,760KiB/s, runt= 18202msec slat (msec): min= 89, max=16067, avg=12910.50, stdev=3088.10 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=23941, per=75.66%, avg=12895.50, stdev=7270.85 write: io=95,552KiB, bw=8,329KiB/s, runt= 11747msec slat (msec): min= 0, max= 24, avg= 2.11, stdev= 2.61 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=48437, per=101.24%, avg=24218.50, stdev=34250.13 cpu : usr=7.12%, sys=2.20%, ctx=906 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16610 read : io=100MiB, bw=6,227KiB/s, runt= 16838msec slat (msec): min= 39, max=14756, avg=11299.49, stdev=2793.60 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 3, max=31413, per=84.24%, avg=14356.25, stdev=9390.79 write: io=95,928KiB, bw=8,835KiB/s, runt= 11118msec slat (msec): min= 0, max= 45, avg= 2.11, stdev= 3.04 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=97905, per=141.39%, avg=33821.33, stdev=55526.61 cpu : usr=7.32%, sys=2.57%, ctx=1155 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16611 read : io=100MiB, bw=5,681KiB/s, runt= 18457msec slat (msec): min= 27, max=14933, avg=12086.95, stdev=3403.67 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 10, max=27831, per=68.61%, avg=11692.93, stdev=9139.33 write: io=92,024KiB, bw=7,764KiB/s, runt= 12136msec slat (msec): min= 0, max= 73, avg= 2.18, stdev= 4.85 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=98997, per=138.48%, avg=33125.00, stdev=57047.14 cpu : usr=6.74%, sys=2.12%, ctx=837 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=17,043KiB/s, minb=5,681KiB/s, maxb=6,227KiB/s, mint=16838msec, maxt=18457msec WRITE: io=277MiB, aggrb=23,921KiB/s, minb=7,764KiB/s, maxb=8,835KiB/s, mint=16838msec, maxt=18457msec Disk stats (read/write): sda: ios=2785/1607, merge=1416/69115, ticks=31880/1315076, in_queue=1377244, util=98.66% 3.80user 1.23system 0:18.72elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2412minor)pagefaults 0swaps