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] [11.5% done] [ 21236/ 0 kb/s] [eta 00m:23s] Threads: 3: [mmm] [16.7% done] [ 6652/ 13512 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.8% done] [ 11996/ 6940 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.0% done] [ 11776/ 6924 kb/s] [eta 00m:18s] Threads: 3: [mmm] [29.2% done] [ 10548/ 4088 kb/s] [eta 00m:17s] Threads: 3: [mmm] [30.8% done] [ 11500/ 2196 kb/s] [eta 00m:18s] Threads: 3: [mmm] [36.0% done] [ 14272/ 1676 kb/s] [eta 00m:16s] Threads: 3: [mmm] [38.5% done] [ 11220/ 5848 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 4596/ 11580 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 6716/ 8672 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.1% done] [ 8004/ 6584 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 6376/ 6280 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 10812/ 1448 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 6080/ 4064 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 8240/ 1788 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 7952/ 0 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 6948/ 1728 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 6816/ 1728 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 2272/ 6528 kb/s] [eta 00m:11s] Threads: 3: [mVV] [66.7% done] [ 8928/ 2544 kb/s] [eta 00m:11s] Threads: 3: [VVV] [69.7% done] [ 15116/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [72.7% done] [ 14076/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.8% done] [ 16860/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.8% done] [ 14636/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [79.4% done] [ 12556/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=30402 read : io=100MiB, bw=3,702KiB/s, runt= 28319msec slat (msec): min= 0, max= 5716, avg=895.84, stdev=1669.60 clat (msec): min= 0, max= 765, avg=102.09, stdev=116.72 bw (KiB/s) : min= 138, max=11092, per=36.59%, avg=4046.26, stdev=2614.31 write: io=22,888KiB, bw=1,038KiB/s, runt= 22564msec slat (msec): min= 0, max= 11, avg= 0.08, stdev= 0.58 clat (msec): min= 0, max= 1068, avg=116.08, stdev=192.85 bw (KiB/s) : min= 0, max= 5703, per=45.36%, avg=1937.39, stdev=1797.74 cpu : usr=3.08%, sys=0.18%, ctx=1730 IO depths : 1=0.2%, 2=0.3%, 4=12.8%, 8=86.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.9%, 4=0.8%, 10=5.5%, 20=16.5%, 50=35.6%, 100=9.1% lat (msec): 250=12.5%, 500=16.7%, 750=0.6%, 1000=0.9%, >=2000=0.0% fio: (groupid=0): err= 0: pid=30403 read : io=100MiB, bw=3,714KiB/s, runt= 28229msec slat (msec): min= 0, max= 7345, avg=1661.58, stdev=2347.08 clat (msec): min= 0, max= 1024, avg=95.99, stdev=113.60 bw (KiB/s) : min= 16, max= 9663, per=39.44%, avg=4361.62, stdev=2582.87 write: io=36,912KiB, bw=1,787KiB/s, runt= 21148msec slat (msec): min= 0, max= 1, avg= 0.01, stdev= 0.11 clat (msec): min= 0, max= 838, avg=96.67, stdev=130.66 bw (KiB/s) : min= 0, max= 8249, per=63.92%, avg=2729.96, stdev=2490.79 cpu : usr=3.50%, sys=0.30%, ctx=1726 IO depths : 1=0.1%, 2=0.6%, 4=18.3%, 8=81.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.3%, 4=1.0%, 10=5.8%, 20=17.2%, 50=35.4%, 100=7.2% lat (msec): 250=15.1%, 500=15.1%, 750=0.4%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=30404 read : io=100MiB, bw=3,686KiB/s, runt= 28443msec slat (msec): min= 0, max= 7463, avg=1249.10, stdev=2199.17 clat (msec): min= 0, max= 643, avg=107.79, stdev=118.16 bw (KiB/s) : min= 69, max= 9173, per=35.67%, avg=3945.18, stdev=2502.97 write: io=34,328KiB, bw=1,661KiB/s, runt= 21161msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.22 clat (msec): min= 0, max= 1151, avg=104.48, stdev=149.82 bw (KiB/s) : min= 0, max= 8122, per=74.76%, avg=3192.89, stdev=2779.01 cpu : usr=3.11%, sys=0.21%, ctx=1717 IO depths : 1=0.2%, 2=0.3%, 4=11.8%, 8=87.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=1.1%, 10=6.2%, 20=15.9%, 50=31.6%, 100=9.8% lat (msec): 250=15.4%, 500=18.0%, 750=0.5%, 1000=0.1%, >=2000=0.1% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,059KiB/s, minb=3,686KiB/s, maxb=3,714KiB/s, mint=28229msec, maxt=28443msec WRITE: io=94,128KiB, aggrb=4,271KiB/s, minb=1,038KiB/s, maxb=1,787KiB/s, mint=28229msec, maxt=28443msec Disk stats (read/write): sda: ios=4722/1745, merge=1532/366, ticks=516860/197164, in_queue=714024, util=99.33% 2.81user 0.30system 0:28.80elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2394minor)pagefaults 0swaps