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] [10.7% done] [ 9499/ 9700 kb/s] [eta 00m:25s] Threads: 3: [mmm] [16.0% done] [ 11563/ 8195 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 13020/ 4273 kb/s] [eta 00m:20s] Threads: 3: [mmm] [23.1% done] [ 9345/ 7014 kb/s] [eta 00m:20s] Threads: 3: [mmm] [28.0% done] [ 8542/ 6821 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 14867/ 905 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 12618/ 2682 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 15458/ 0 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.3% done] [ 13457/ 2256 kb/s] [eta 00m:15s] Threads: 3: [mmm] [44.4% done] [ 5529/ 9223 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.1% done] [ 11248/ 2114 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.9% done] [ 6325/ 6144 kb/s] [eta 00m:13s] Threads: 3: [mmm] [53.6% done] [ 9708/ 2386 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 5801/ 5951 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 7660/ 4155 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 8030/ 1658 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.3% done] [ 9657/ 1441 kb/s] [eta 00m:11s] Threads: 3: [mmm] [64.5% done] [ 3426/ 5309 kb/s] [eta 00m:11s] Threads: 3: [VVV] [67.7% done] [ 9188/ 279 kb/s] [eta 00m:10s] Threads: 3: [VVV] [73.3% done] [ 19089/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [74.2% done] [ 17782/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.0% done] [ 19645/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.3% done] [ 18439/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=12278 read : io=100MiB, bw=3,936KiB/s, runt= 26637msec slat (msec): min= 0, max= 4969, avg=718.79, stdev=1369.08 clat (msec): min= 0, max= 632, avg=89.82, stdev=85.24 bw (KiB/s) : min= 4, max=10805, per=39.57%, avg=4673.13, stdev=2771.01 write: io=33,364KiB, bw=1,588KiB/s, runt= 21503msec slat (msec): min= 0, max= 6, avg= 0.12, stdev= 0.55 clat (msec): min= 0, max= 918, avg=139.45, stdev=138.28 bw (KiB/s) : min= 0, max= 6468, per=67.65%, avg=2977.35, stdev=2132.22 cpu : usr=3.66%, sys=0.20%, ctx=1749 IO depths : 1=0.1%, 2=0.3%, 4=10.9%, 8=88.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.3%, 10=3.9%, 20=14.1%, 50=21.1%, 100=22.0% lat (msec): 250=28.9%, 500=8.2%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12279 read : io=100MiB, bw=3,937KiB/s, runt= 26629msec slat (msec): min= 0, max= 5986, avg=1121.61, stdev=1909.50 clat (msec): min= 2, max= 480, avg=89.10, stdev=73.57 bw (KiB/s) : min= 47, max=11767, per=34.87%, avg=4118.23, stdev=2635.00 write: io=31,960KiB, bw=1,570KiB/s, runt= 20842msec slat (msec): min= 0, max= 9, avg= 0.19, stdev= 0.92 clat (msec): min= 0, max= 829, avg=112.53, stdev=131.30 bw (KiB/s) : min= 0, max= 5747, per=53.22%, avg=2342.05, stdev=1948.35 cpu : usr=3.38%, sys=0.30%, ctx=1777 IO depths : 1=0.1%, 2=0.2%, 4=13.4%, 8=86.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.6%, 10=3.0%, 20=9.0%, 50=23.4%, 100=28.3% lat (msec): 250=28.9%, 500=5.3%, 750=0.4%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12280 read : io=100MiB, bw=4,043KiB/s, runt= 25934msec slat (msec): min= 0, max= 5010, avg=844.84, stdev=1464.17 clat (msec): min= 2, max= 796, avg=93.09, stdev=82.39 bw (KiB/s) : min= 15, max= 8861, per=37.23%, avg=4396.33, stdev=2500.81 write: io=27,100KiB, bw=1,326KiB/s, runt= 20915msec slat (msec): min= 0, max= 4, avg= 0.05, stdev= 0.31 clat (msec): min= 0, max= 954, avg=109.60, stdev=110.46 bw (KiB/s) : min= 0, max= 4854, per=51.89%, avg=2283.60, stdev=1880.83 cpu : usr=3.47%, sys=0.22%, ctx=1746 IO depths : 1=0.1%, 2=0.2%, 4=10.8%, 8=88.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.4%, 10=3.2%, 20=9.1%, 50=21.6%, 100=29.0% lat (msec): 250=29.0%, 500=6.3%, 750=0.4%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,809KiB/s, minb=3,936KiB/s, maxb=4,043KiB/s, mint=25934msec, maxt=26637msec WRITE: io=92,424KiB, aggrb=4,401KiB/s, minb=1,326KiB/s, maxb=1,588KiB/s, mint=25934msec, maxt=26637msec Disk stats (read/write): sda: ios=4983/1547, merge=1442/336, ticks=466904/199104, in_queue=666024, util=99.42% 2.84user 0.28system 0:26.91elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2382minor)pagefaults 0swaps