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] [10.0% done] [ 11156/ 9168 kb/s] [eta 00m:27s] Threads: 3: [mmm] [16.7% done] [ 14256/ 6136 kb/s] [eta 00m:20s] Threads: 3: [mmm] [19.2% done] [ 12052/ 6644 kb/s] [eta 00m:21s] Threads: 3: [mmm] [24.0% done] [ 12728/ 6684 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.0% done] [ 16496/ 612 kb/s] [eta 00m:21s] Threads: 3: [mmm] [28.6% done] [ 19016/ 0 kb/s] [eta 00m:20s] Threads: 3: [mmm] [30.0% done] [ 7080/ 8440 kb/s] [eta 00m:21s] Threads: 3: [mmm] [31.2% done] [ 4776/ 9940 kb/s] [eta 00m:22s] Threads: 3: [mmm] [35.5% done] [ 13220/ 3144 kb/s] [eta 00m:20s] Threads: 3: [mmm] [37.5% done] [ 5608/ 8036 kb/s] [eta 00m:20s] Threads: 3: [mmm] [41.9% done] [ 9852/ 4752 kb/s] [eta 00m:18s] Threads: 3: [mmm] [42.4% done] [ 7632/ 5116 kb/s] [eta 00m:19s] Threads: 3: [mmm] [42.9% done] [ 4276/ 6840 kb/s] [eta 00m:20s] Threads: 3: [mmm] [43.2% done] [ 1092/ 9804 kb/s] [eta 00m:21s] Threads: 3: [mVm] [45.9% done] [ 12428/ 1904 kb/s] [eta 00m:20s] Threads: 3: [mVm] [46.2% done] [ 11424/ 2524 kb/s] [eta 00m:21s] Threads: 3: [mVm] [47.5% done] [ 11164/ 2776 kb/s] [eta 00m:21s] Threads: 2: [m_V] [47.6% done] [ 11232/ 780 kb/s] [eta 00m:22s] Threads: 2: [m_V] [51.2% done] [ 11184/ 4452 kb/s] [eta 00m:20s] Threads: 2: [m_V] [52.4% done] [ 12856/ 1268 kb/s] [eta 00m:20s] Threads: 1: [m_E] [54.8% done] [ 13540/ 736 kb/s] [eta 00m:19s] Threads: 1: [m__] [63.2% done] [ 10964/ 1312 kb/s] [eta 00m:14s] Threads: 1: [V__] [69.4% done] [ 3116/ 7436 kb/s] [eta 00m:11s] Threads: 1: [V__] [83.9% done] [ 20312/ 0 kb/s] [eta 00m:05s] Threads: 1: [V__] [96.4% done] [ 20484/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=4440 read : io=100MiB, bw=3,773KiB/s, runt= 27785msec slat (msec): min= 0, max= 2958, avg=747.29, stdev=919.63 clat (msec): min= 0, max= 933, avg=94.19, stdev=187.30 bw (KiB/s) : min= 42, max=22568, per=37.39%, avg=4233.10, stdev=6159.36 write: io=49,740KiB, bw=2,015KiB/s, runt= 25270msec slat (msec): min= 0, max= 8, avg= 0.05, stdev= 0.52 clat (msec): min= 0, max= 1129, avg=85.45, stdev=181.27 bw (KiB/s) : min= 0, max=16059, per=64.73%, avg=3194.83, stdev=4089.63 cpu : usr=3.67%, sys=0.40%, ctx=2112 IO depths : 1=0.1%, 2=0.2%, 4=2.9%, 8=96.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=12.3%, 4=2.1%, 10=13.6%, 20=21.7%, 50=22.7%, 100=8.6% lat (msec): 250=8.0%, 500=5.3%, 750=2.3%, 1000=3.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4441 read : io=100MiB, bw=5,222KiB/s, runt= 20078msec slat (msec): min= 0, max= 4621, avg=1123.23, stdev=1458.18 clat (msec): min= 0, max= 835, avg=70.52, stdev=96.43 bw (KiB/s) : min= 87, max=11927, per=52.04%, avg=5891.00, stdev=3366.69 write: io=33,268KiB, bw=2,074KiB/s, runt= 16425msec slat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.04 clat (msec): min= 0, max= 1130, avg=61.71, stdev=137.97 bw (KiB/s) : min= 0, max=10311, per=82.39%, avg=4066.93, stdev=3656.28 cpu : usr=4.42%, sys=0.30%, ctx=2135 IO depths : 1=0.1%, 2=0.2%, 4=2.3%, 8=97.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=11.6%, 4=1.6%, 10=8.4%, 20=17.8%, 50=24.7%, 100=15.6% lat (msec): 250=15.3%, 500=3.4%, 750=0.9%, 1000=0.6%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4442 read : io=100MiB, bw=4,500KiB/s, runt= 23300msec slat (msec): min= 0, max= 3954, avg=1041.26, stdev=1238.01 clat (msec): min= 0, max= 908, avg=67.58, stdev=105.32 bw (KiB/s) : min= 6, max=16088, per=48.46%, avg=5485.79, stdev=4294.42 write: io=38,824KiB, bw=2,011KiB/s, runt= 19760msec slat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.05 clat (msec): min= 0, max= 852, avg=78.79, stdev=136.08 bw (KiB/s) : min= 0, max= 8993, per=67.39%, avg=3326.50, stdev=2633.00 cpu : usr=3.64%, sys=0.33%, ctx=2279 IO depths : 1=0.1%, 2=0.2%, 4=3.3%, 8=96.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=11.2%, 4=2.0%, 10=10.6%, 20=17.2%, 50=23.3%, 100=15.0% lat (msec): 250=13.6%, 500=5.0%, 750=1.4%, 1000=0.4%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,321KiB/s, minb=3,773KiB/s, maxb=5,222KiB/s, mint=20078msec, maxt=27785msec WRITE: io=119MiB, aggrb=4,936KiB/s, minb=2,011KiB/s, maxb=2,074KiB/s, mint=20078msec, maxt=27785msec Disk stats (read/write): sda: ios=5456/2765, merge=924/377, ticks=414668/199628, in_queue=614292, util=99.03% 2.82user 0.36system 0:28.16elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2402minor)pagefaults 0swaps