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] [16.7% done] [ 9092/ 14232 kb/s] [eta 00m:15s] Threads: 3: [mmm] [21.1% done] [ 10156/ 13148 kb/s] [eta 00m:15s] Threads: 3: [mmm] [26.3% done] [ 16912/ 5524 kb/s] [eta 00m:14s] Threads: 3: [mmm] [30.0% done] [ 16192/ 5540 kb/s] [eta 00m:14s] Threads: 3: [mmm] [35.0% done] [ 11384/ 9996 kb/s] [eta 00m:13s] Threads: 3: [mmm] [38.1% done] [ 11440/ 8024 kb/s] [eta 00m:13s] Threads: 3: [mmm] [42.9% done] [ 10672/ 8348 kb/s] [eta 00m:12s] Threads: 3: [mmm] [47.6% done] [ 9440/ 8140 kb/s] [eta 00m:11s] Threads: 3: [mmm] [50.0% done] [ 10108/ 5732 kb/s] [eta 00m:11s] Threads: 3: [mmm] [54.5% done] [ 10924/ 3696 kb/s] [eta 00m:10s] Threads: 3: [mmm] [56.5% done] [ 7168/ 5184 kb/s] [eta 00m:10s] Threads: 3: [mmm] [58.3% done] [ 5032/ 7276 kb/s] [eta 00m:10s] Threads: 3: [mmm] [62.5% done] [ 5520/ 4428 kb/s] [eta 00m:09s] Threads: 3: [mmm] [61.5% done] [ 4876/ 6392 kb/s] [eta 00m:10s] Threads: 3: [mmm] [68.0% done] [ 5760/ 4420 kb/s] [eta 00m:08s] Threads: 3: [VVV] [72.0% done] [ 20076/ 1168 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.0% done] [ 23144/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.3% done] [ 20220/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [87.5% done] [ 22056/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [91.7% done] [ 21672/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.8% done] [ 20100/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=1388 read : io=100MiB, bw=4,386KiB/s, runt= 23902msec slat (msec): min= 0, max= 6509, avg=1906.68, stdev=2354.81 clat (msec): min= 0, max= 452, avg=67.78, stdev=73.96 bw (KiB/s) : min= 29, max=10904, per=35.22%, avg=4634.66, stdev=3270.27 write: io=49,828KiB, bw=2,924KiB/s, runt= 17446msec slat (msec): min= 0, max= 8, avg= 0.10, stdev= 0.60 clat (msec): min= 0, max= 688, avg=83.51, stdev=99.30 bw (KiB/s) : min= 0, max= 8637, per=39.67%, avg=3195.96, stdev=2477.36 cpu : usr=4.30%, sys=0.40%, ctx=1868 IO depths : 1=0.2%, 2=0.3%, 4=19.5%, 8=80.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.4%, 4=1.0%, 10=6.1%, 20=19.3%, 50=24.9%, 100=22.9% lat (msec): 250=17.8%, 500=5.3%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1389 read : io=100MiB, bw=4,478KiB/s, runt= 23413msec slat (msec): min= 0, max= 7151, avg=1751.30, stdev=2346.17 clat (msec): min= 1, max= 535, avg=72.67, stdev=70.97 bw (KiB/s) : min= 23, max=10838, per=36.49%, avg=4802.45, stdev=3315.45 write: io=42,248KiB, bw=2,658KiB/s, runt= 16275msec slat (msec): min= 0, max= 11, avg= 0.11, stdev= 0.85 clat (msec): min= 0, max= 826, avg=84.06, stdev=98.63 bw (KiB/s) : min= 0, max=10302, per=41.82%, avg=3369.04, stdev=2978.18 cpu : usr=4.08%, sys=0.32%, ctx=1803 IO depths : 1=0.2%, 2=0.5%, 4=15.6%, 8=83.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.9%, 10=4.5%, 20=14.6%, 50=27.9%, 100=26.5% lat (msec): 250=19.1%, 500=4.7%, 750=0.3%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1390 read : io=100MiB, bw=4,442KiB/s, runt= 23601msec slat (msec): min= 0, max= 6857, avg=1728.60, stdev=2263.40 clat (msec): min= 0, max= 430, avg=72.63, stdev=71.35 bw (KiB/s) : min= 211, max=11772, per=39.64%, avg=5217.00, stdev=3272.74 write: io=45,208KiB, bw=2,772KiB/s, runt= 16699msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.28 clat (msec): min= 0, max= 828, avg=80.57, stdev=103.32 bw (KiB/s) : min= 0, max=10456, per=48.34%, avg=3894.43, stdev=3379.24 cpu : usr=3.66%, sys=0.31%, ctx=1802 IO depths : 1=0.1%, 2=0.4%, 4=18.4%, 8=81.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.5%, 4=1.0%, 10=5.6%, 20=14.4%, 50=25.8%, 100=26.8% lat (msec): 250=19.5%, 500=3.8%, 750=0.4%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,160KiB/s, minb=4,386KiB/s, maxb=4,478KiB/s, mint=23413msec, maxt=23902msec WRITE: io=134MiB, aggrb=8,057KiB/s, minb=2,658KiB/s, maxb=2,924KiB/s, mint=23413msec, maxt=23902msec Disk stats (read/write): sda: ios=4335/2284, merge=1636/503, ticks=305140/214212, in_queue=519348, util=99.42% 2.91user 0.29system 0:24.11elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2388minor)pagefaults 0swaps