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: [mFm] [42.9% done] [ 2412/ 40080 kb/s] [eta 00m:04s] Threads: 3: [mFm] [44.4% done] [ 6668/ 0 kb/s] [eta 00m:05s] Threads: 3: [mFF] [55.6% done] [ 6664/ 39076 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 0/ 20980 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] [68.4% done] [ 22204/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [73.7% done] [ 40616/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [78.9% done] [ 41484/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [88.9% done] [ 40236/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 41488/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 39840/ 0 kb/s] [eta 00m:00s] Threads: 1: [E_V] [100.0% done] [ 41912/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=26851 read : io=100MiB, bw=5,442KiB/s, runt= 19267msec slat (msec): min= 48, max=14089, avg=9899.61, stdev=4165.71 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=24835, per=56.63%, avg=9186.16, stdev=6930.24 write: io=86,648KiB, bw=6,980KiB/s, runt= 12710msec slat (msec): min= 0, max= 139, avg= 2.15, stdev= 6.56 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=89666, per=137.25%, avg=29904.00, stdev=51755.42 cpu : usr=6.02%, sys=1.95%, ctx=987 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 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=26852 read : io=100MiB, bw=5,775KiB/s, runt= 18156msec slat (msec): min= 85, max=16615, avg=13325.74, stdev=2619.56 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 23, max=30793, per=86.18%, avg=13978.67, stdev=9645.64 write: io=98MiB, bw=8,318KiB/s, runt= 12340msec slat (msec): min= 0, max= 90, avg= 2.27, stdev= 5.31 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=94935, per=146.74%, avg=31970.67, stdev=54530.90 cpu : usr=6.74%, sys=2.07%, ctx=744 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 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=26853 read : io=100MiB, bw=5,407KiB/s, runt= 19392msec slat (msec): min= 50, max=14484, avg=10459.01, stdev=4460.64 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 19, max=22984, per=53.69%, avg=8708.63, stdev=6337.64 write: io=83,556KiB, bw=6,736KiB/s, runt= 12702msec slat (msec): min= 0, max= 184, avg= 2.23, stdev= 9.72 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=83109, per=127.42%, avg=27763.00, stdev=47931.13 cpu : usr=5.90%, sys=1.96%, ctx=993 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=16,221KiB/s, minb=5,407KiB/s, maxb=5,775KiB/s, mint=18156msec, maxt=19392msec WRITE: io=264MiB, aggrb=21,788KiB/s, minb=6,736KiB/s, maxb=8,318KiB/s, mint=18156msec, maxt=19392msec Disk stats (read/write): sda: ios=3085/1472, merge=1235/66140, ticks=35300/1496764, in_queue=1532328, util=99.21% 3.58user 1.17system 0:19.64elapsed 24%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2397minor)pagefaults 0swaps