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] [ 8491/ 11165 kb/s] [eta 00m:22s] Threads: 3: [mmm] [15.4% done] [ 15080/ 4308 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 8731/ 9735 kb/s] [eta 00m:21s] Threads: 3: [mmm] [24.0% done] [ 3438/ 13658 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.9% done] [ 9286/ 5324 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 9605/ 4970 kb/s] [eta 00m:19s] Threads: 3: [mmm] [34.6% done] [ 12189/ 3930 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 4955/ 10892 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 7632/ 6336 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 10322/ 3623 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.8% done] [ 8534/ 4052 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 10263/ 3383 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 5029/ 6392 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 7806/ 3572 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 7699/ 2930 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 5214/ 5332 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 3178/ 5709 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.6% done] [ 3544/ 6548 kb/s] [eta 00m:13s] Threads: 3: [mmm] [65.6% done] [ 4696/ 3996 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 9568/ 2328 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 21140/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 19852/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.1% done] [ 17776/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [83.9% done] [ 18732/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.1% done] [ 19520/ 0 kb/s] [eta 00m:04s] Threads: 1: [E_V] [96.6% done] [ 18248/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=26974 read : io=100MiB, bw=3,635KiB/s, runt= 28842msec slat (msec): min= 0, max= 6615, avg=1739.88, stdev=2378.66 clat (msec): min= 3, max= 737, avg=91.13, stdev=98.50 bw (KiB/s) : min= 209, max=12042, per=38.60%, avg=4184.81, stdev=2896.01 write: io=41,420KiB, bw=1,910KiB/s, runt= 22195msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.22 clat (msec): min= 0, max= 1003, avg=100.24, stdev=121.50 bw (KiB/s) : min= 0, max= 8677, per=48.09%, avg=2788.54, stdev=2263.01 cpu : usr=3.20%, sys=0.26%, ctx=1861 IO depths : 1=0.1%, 2=0.2%, 4=16.7%, 8=82.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.4%, 4=0.7%, 10=6.0%, 20=15.9%, 50=23.2%, 100=18.6% lat (msec): 250=25.9%, 500=7.3%, 750=0.7%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26975 read : io=100MiB, bw=4,005KiB/s, runt= 26180msec slat (msec): min= 0, max= 6035, avg=1478.09, stdev=2134.66 clat (msec): min= 1, max= 510, avg=79.17, stdev=71.50 bw (KiB/s) : min= 14, max=15247, per=47.78%, avg=5179.83, stdev=3470.50 write: io=37,852KiB, bw=1,904KiB/s, runt= 20357msec slat (msec): min= 0, max= 14, avg= 0.17, stdev= 1.19 clat (msec): min= 0, max= 901, avg=102.42, stdev=112.81 bw (KiB/s) : min= 0, max= 6553, per=55.97%, avg=3245.15, stdev=2319.70 cpu : usr=3.82%, sys=0.23%, ctx=1827 IO depths : 1=0.1%, 2=0.2%, 4=14.1%, 8=85.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.5%, 4=0.6%, 10=5.1%, 20=12.7%, 50=22.8%, 100=26.2% lat (msec): 250=26.0%, 500=4.5%, 750=0.3%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26976 read : io=100MiB, bw=3,613KiB/s, runt= 29015msec slat (msec): min= 0, max= 7475, avg=2445.86, stdev=2763.96 clat (msec): min= 0, max= 538, avg=82.45, stdev=88.02 bw (KiB/s) : min= 13, max=14160, per=38.08%, avg=4127.79, stdev=3453.70 write: io=46,404KiB, bw=2,209KiB/s, runt= 21505msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.26 clat (msec): min= 0, max= 888, avg=100.35, stdev=98.57 bw (KiB/s) : min= 0, max= 6955, per=48.58%, avg=2816.86, stdev=2013.78 cpu : usr=3.58%, sys=0.28%, ctx=1894 IO depths : 1=0.2%, 2=0.4%, 4=17.8%, 8=81.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.6%, 10=4.5%, 20=15.6%, 50=23.9%, 100=22.0% lat (msec): 250=26.2%, 500=5.8%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,841KiB/s, minb=3,613KiB/s, maxb=4,005KiB/s, mint=26180msec, maxt=29015msec WRITE: io=123MiB, aggrb=5,798KiB/s, minb=1,904KiB/s, maxb=2,209KiB/s, mint=26180msec, maxt=29015msec Disk stats (read/write): sda: ios=4851/2322, merge=1775/355, ticks=441444/263588, in_queue=705072, util=99.01% 3.00user 0.32system 0:29.47elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2403minor)pagefaults 0swaps