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] [12.0% done] [ 13172/ 5992 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.0% done] [ 16392/ 2816 kb/s] [eta 00m:21s] Threads: 3: [mmm] [19.2% done] [ 13944/ 4404 kb/s] [eta 00m:21s] Threads: 3: [mmm] [24.0% done] [ 14620/ 2544 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.9% done] [ 16332/ 0 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 10176/ 4280 kb/s] [eta 00m:19s] Threads: 3: [mmm] [32.1% done] [ 7836/ 6672 kb/s] [eta 00m:19s] Threads: 3: [mmm] [35.7% done] [ 9156/ 6794 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 10464/ 4440 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 12540/ 2700 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 9724/ 3912 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 12372/ 480 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 6564/ 4280 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 8652/ 3200 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 10488/ 708 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 2816/ 7352 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 8976/ 696 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.6% done] [ 5608/ 2860 kb/s] [eta 00m:13s] Threads: 3: [mmm] [63.6% done] [ 6588/ 2800 kb/s] [eta 00m:12s] Threads: 3: [VVV] [68.8% done] [ 10608/ 36 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 20736/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 17744/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.1% done] [ 18768/ 0 kb/s] [eta 00m:07s] Threads: 2: [VV_] [86.7% done] [ 19532/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=12480 read : io=100MiB, bw=3,894KiB/s, runt= 26927msec slat (msec): min= 0, max= 4760, avg=891.33, stdev=1511.18 clat (msec): min= 1, max= 514, avg=94.45, stdev=87.32 bw (KiB/s) : min= 281, max= 9709, per=34.68%, avg=4049.27, stdev=2480.56 write: io=36,096KiB, bw=1,667KiB/s, runt= 22166msec slat (msec): min= 0, max= 17, avg= 0.22, stdev= 1.38 clat (msec): min= 0, max= 975, avg=103.20, stdev=115.88 bw (KiB/s) : min= 0, max= 8381, per=68.75%, avg=2832.32, stdev=2614.19 cpu : usr=3.52%, sys=0.30%, ctx=1836 IO depths : 1=0.1%, 2=0.3%, 4=11.8%, 8=87.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.5%, 10=4.7%, 20=13.1%, 50=22.0%, 100=21.9% lat (msec): 250=28.9%, 500=7.4%, 750=0.3%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12481 read : io=100MiB, bw=3,892KiB/s, runt= 26940msec slat (msec): min= 0, max= 6098, avg=1041.62, stdev=1857.12 clat (msec): min= 0, max= 486, avg=88.06, stdev=73.46 bw (KiB/s) : min= 27, max=10895, per=38.89%, avg=4541.22, stdev=2719.36 write: io=33,356KiB, bw=1,656KiB/s, runt= 20621msec slat (msec): min= 0, max= 9, avg= 0.16, stdev= 0.84 clat (msec): min= 0, max= 835, avg=115.80, stdev=119.86 bw (KiB/s) : min= 0, max= 9595, per=83.05%, avg=3421.47, stdev=2657.37 cpu : usr=3.47%, sys=0.37%, ctx=1822 IO depths : 1=0.1%, 2=0.3%, 4=10.3%, 8=89.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.0%, 4=0.4%, 10=3.2%, 20=8.1%, 50=25.0%, 100=27.0% lat (msec): 250=30.1%, 500=4.6%, 750=0.4%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12482 read : io=100MiB, bw=4,017KiB/s, runt= 26097msec slat (msec): min= 0, max= 4392, avg=500.84, stdev=1103.38 clat (msec): min= 3, max= 482, avg=98.20, stdev=75.39 bw (KiB/s) : min= 85, max= 9674, per=35.42%, avg=4135.58, stdev=2397.47 write: io=19,744KiB, bw=929KiB/s, runt= 21762msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.22 clat (msec): min= 0, max= 593, avg=111.59, stdev=109.56 bw (KiB/s) : min= 0, max= 6598, per=50.02%, avg=2061.00, stdev=2362.05 cpu : usr=3.05%, sys=0.21%, ctx=1780 IO depths : 1=0.1%, 2=0.2%, 4=8.9%, 8=90.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.2%, 10=2.1%, 20=8.4%, 50=20.5%, 100=27.7% lat (msec): 250=33.7%, 500=6.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,676KiB/s, minb=3,892KiB/s, maxb=4,017KiB/s, mint=26097msec, maxt=26940msec WRITE: io=89,196KiB, aggrb=4,120KiB/s, minb=929KiB/s, maxb=1,667KiB/s, mint=26097msec, maxt=26940msec Disk stats (read/write): sda: ios=5156/1426, merge=1352/278, ticks=495672/175144, in_queue=670816, util=98.98% 2.73user 0.31system 0:27.33elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2387minor)pagefaults 0swaps