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] [11.1% done] [ 9370/ 10995 kb/s] [eta 00m:24s] Threads: 3: [mmm] [16.0% done] [ 11686/ 7866 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 13941/ 5018 kb/s] [eta 00m:20s] Threads: 3: [mmm] [24.0% done] [ 11715/ 4347 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.9% done] [ 14080/ 373 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 9171/ 8029 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 12722/ 2881 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 15396/ 97 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 10906/ 4677 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 7204/ 6217 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.1% done] [ 12023/ 1568 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 7363/ 4327 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 5245/ 6477 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 8342/ 2969 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 8748/ 2905 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 5977/ 4404 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 7923/ 1832 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 4370/ 5168 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.6% done] [ 5652/ 3384 kb/s] [eta 00m:12s] Threads: 3: [VVV] [68.8% done] [ 9784/ 724 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 18232/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 18176/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19592/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 17232/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=20596 read : io=100MiB, bw=3,970KiB/s, runt= 26409msec slat (msec): min= 0, max= 4561, avg=553.35, stdev=1174.88 clat (msec): min= 1, max= 523, avg=95.39, stdev=84.85 bw (KiB/s) : min= 55, max=12752, per=36.12%, avg=4204.84, stdev=2621.89 write: io=25,768KiB, bw=1,216KiB/s, runt= 21686msec slat (msec): min= 0, max= 1, avg= 0.04, stdev= 0.20 clat (msec): min= 0, max= 955, avg=119.69, stdev=148.41 bw (KiB/s) : min= 0, max= 9491, per=50.20%, avg=2151.55, stdev=2271.93 cpu : usr=3.44%, sys=0.30%, ctx=1797 IO depths : 1=0.1%, 2=0.2%, 4=9.6%, 8=90.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.4%, 10=3.4%, 20=11.5%, 50=23.3%, 100=22.7% lat (msec): 250=30.0%, 500=6.7%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20597 read : io=100MiB, bw=3,913KiB/s, runt= 26794msec slat (msec): min= 0, max= 6161, avg=1173.44, stdev=1984.54 clat (msec): min= 2, max= 827, avg=90.10, stdev=82.39 bw (KiB/s) : min= 44, max=10182, per=37.83%, avg=4403.95, stdev=2401.88 write: io=31,272KiB, bw=1,532KiB/s, runt= 20896msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.26 clat (msec): min= 0, max= 874, avg=98.02, stdev=95.57 bw (KiB/s) : min= 0, max= 6992, per=62.12%, avg=2662.50, stdev=2259.71 cpu : usr=3.28%, sys=0.19%, ctx=1863 IO depths : 1=0.1%, 2=0.2%, 4=11.7%, 8=88.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.6%, 10=2.3%, 20=9.7%, 50=24.1%, 100=29.5% lat (msec): 250=26.9%, 500=5.6%, 750=0.3%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20598 read : io=100MiB, bw=3,880KiB/s, runt= 27023msec slat (msec): min= 0, max= 5804, avg=1239.89, stdev=1845.68 clat (msec): min= 0, max= 859, avg=91.35, stdev=90.04 bw (KiB/s) : min= 87, max= 8728, per=38.49%, avg=4479.68, stdev=2616.98 write: io=33,744KiB, bw=1,628KiB/s, runt= 21217msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.24 clat (msec): min= 1, max= 914, avg=107.97, stdev=115.40 bw (KiB/s) : min= 0, max= 7590, per=59.41%, avg=2546.33, stdev=2220.96 cpu : usr=3.30%, sys=0.28%, ctx=1726 IO depths : 1=0.2%, 2=0.3%, 4=14.6%, 8=84.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.8%, 10=3.4%, 20=12.2%, 50=22.8%, 100=24.6% lat (msec): 250=28.9%, 500=6.0%, 750=0.5%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,640KiB/s, minb=3,880KiB/s, maxb=3,970KiB/s, mint=26409msec, maxt=27023msec WRITE: io=90,784KiB, aggrb=4,286KiB/s, minb=1,216KiB/s, maxb=1,628KiB/s, mint=26409msec, maxt=27023msec Disk stats (read/write): sda: ios=5039/1600, merge=1428/390, ticks=482276/187004, in_queue=669272, util=99.43% 2.75user 0.37system 0:27.27elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2391minor)pagefaults 0swaps