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: [mFF] [8.1% done] [ 1796/ 0 kb/s] [eta 00m:34s] Threads: 3: [mFF] [50.0% done] [ 1024/ 55408 kb/s] [eta 00m:04s] Threads: 3: [mFF] [45.5% done] [ 672/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 588/ 32432 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: [FVV] [68.8% done] [ 8084/ 0 kb/s] [eta 00m:05s] Threads: 3: [FVV] [80.0% done] [ 36108/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVV] [86.7% done] [ 31664/ 0 kb/s] [eta 00m:02s] Threads: 3: [FVV] [100.0% done] [ 30321/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVV] [100.0% done] [ 38388/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [69.6% done] [ 41440/ 0 kb/s] [eta 00m:07s] Threads: 1: [V__] [89.5% done] [ 41708/ 0 kb/s] [eta 00m:02s] Threads: 1: [V__] [100.0% done] [ 42004/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=27319 read : io=100MiB, bw=5,610KiB/s, runt= 18690msec slat (msec): min= 39, max=12683, avg=10676.41, stdev=3210.95 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=45195, per=76.29%, avg=12840.53, stdev=16789.57 write: io=87,840KiB, bw=5,865KiB/s, runt= 15334msec slat (msec): min= 0, max= 42, avg= 1.78, stdev= 3.16 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=107244, per=187.47%, avg=35824.33, stdev=61851.35 cpu : usr=6.61%, sys=1.86%, ctx=929 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=27320 read : io=100MiB, bw=6,146KiB/s, runt= 17059msec slat (msec): min= 181, max=15476, avg=12828.34, stdev=2236.99 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 13, max=22292, per=83.77%, avg=14099.85, stdev=7313.31 write: io=99,128KiB, bw=9,472KiB/s, runt= 10716msec slat (msec): min= 0, max= 14, avg= 2.10, stdev= 2.23 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=105521, per=276.10%, avg=52760.50, stdev=74614.61 cpu : usr=7.32%, sys=2.09%, ctx=759 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=27321 read : io=100MiB, bw=6,536KiB/s, runt= 16043msec slat (msec): min= 162, max=14500, avg=11788.00, stdev=2098.06 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 8, max=33792, per=95.94%, avg=16148.17, stdev=9179.05 write: io=99,184KiB, bw=9,683KiB/s, runt= 10488msec slat (msec): min= 0, max= 11, avg= 1.93, stdev= 1.99 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=109756, per=287.18%, avg=54878.00, stdev=77609.21 cpu : usr=7.95%, sys=2.42%, ctx=840 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 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=16,831KiB/s, minb=5,610KiB/s, maxb=6,536KiB/s, mint=16043msec, maxt=18690msec WRITE: io=279MiB, aggrb=19,109KiB/s, minb=5,865KiB/s, maxb=9,683KiB/s, mint=16043msec, maxt=18690msec Disk stats (read/write): sda: ios=2761/1599, merge=1460/69853, ticks=30184/1475384, in_queue=1507500, util=97.69% 3.82user 1.14system 0:19.00elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2418minor)pagefaults 0swaps