fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [FFm] [20.0% done] [ 0/ 12372 kb/s] [eta 00m:12s] Threads: 3: [FFm] [20.0% done] [ 83/ 0 kb/s] [eta 00m:16s] Threads: 3: [FFm] [20.0% done] [ 137/ 0 kb/s] [eta 00m:20s] Threads: 3: [FFm] [20.7% done] [ 220/ 0 kb/s] [eta 00m:23s] Threads: 3: [FFm] [20.6% done] [ 7/ 0 kb/s] [eta 00m:27s] Threads: 3: [FFm] [20.5% done] [ 129/ 445 kb/s] [eta 00m:31s] Threads: 3: [FFm] [20.9% done] [ 106/ 39 kb/s] [eta 00m:34s] Threads: 3: [FFm] [20.8% done] [ 86/ 0 kb/s] [eta 00m:38s] Threads: 2: [_Vm] [50.0% done] [ 10050/ 43051 kb/s] [eta 00m:11s] Threads: 2: [_Vm] [50.0% done] [ 34276/ 0 kb/s] [eta 00m:12s] Threads: 2: [_Vm] [52.0% done] [ 30180/ 31 kb/s] [eta 00m:12s] Threads: 1: [__F] [100.0% done] [ 25726/ 24398 kb/s] [eta 00m:00s] Threads: 1: [__F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [__F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [70.8% done] [ 2323/ 0 kb/s] [eta 00m:07s] Threads: 1: [__V] [90.0% done] [ 30720/ 0 kb/s] [eta 00m:02s] Threads: 1: [__V] [100.0% done] [ 39104/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=7967 read : io=0KiB, bw=0KiB/s, runt= 10947msec write: io=100MiB, bw=9,612KiB/s, runt= 10908msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 3, avg= 0.18, stdev= 0.39 bw (KiB/s) : min= 0, max=129785, per=367.14%, avg=64892.50, stdev=91771.85 cpu : usr=7.49%, sys=3.00%, ctx=2541 IO depths : 1=0.2%, 2=98.8%, 4=0.9%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.1%, 4=0.4%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=7968 read : io=100MiB, bw=7,326KiB/s, runt= 14309msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 690, avg=17.18, stdev=40.97 bw (KiB/s) : min= 24, max=36563, per=193.76%, avg=19827.90, stdev=16448.72 write: io=99,540KiB, bw=9,266KiB/s, runt= 11000msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 626, avg= 2.41, stdev=27.89 bw (KiB/s) : min= 0, max=127057, per=275.98%, avg=48779.33, stdev=68472.51 cpu : usr=6.51%, sys=2.77%, ctx=3966 IO depths : 1=7.4%, 2=55.1%, 4=28.9%, 8=8.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.0%, 4=1.0%, 10=17.3%, 20=22.7%, 50=9.0%, 100=0.4% lat (msec): 250=0.9%, 500=0.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=7969 read : io=100MiB, bw=5,117KiB/s, runt= 20491msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 6036, avg=64.12, stdev=349.91 bw (KiB/s) : min= 12, max=39147, per=74.87%, avg=7661.19, stdev=14069.73 write: io=96,820KiB, bw=5,728KiB/s, runt= 17308msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 5867, avg=19.71, stdev=283.76 bw (KiB/s) : min= 0, max=25377, per=27.98%, avg=4945.00, stdev=10122.16 cpu : usr=4.35%, sys=1.87%, ctx=4411 IO depths : 1=6.8%, 2=52.3%, 4=30.8%, 8=10.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.0%, 4=0.0%, 10=16.6%, 20=21.6%, 50=9.1%, 100=1.1% lat (msec): 250=1.1%, 500=0.6%, 750=0.5%, 1000=0.4%, >=2000=0.3% Run status group 0 (all jobs): READ: io=200MiB, aggrb=10,233KiB/s, minb=0KiB/s, maxb=7,326KiB/s, mint=10947msec, maxt=20491msec WRITE: io=292MiB, aggrb=17,675KiB/s, minb=5,728KiB/s, maxb=9,612KiB/s, mint=10947msec, maxt=20491msec Disk stats (read/write): sda: ios=2157/2478, merge=871/72065, ticks=37368/1730324, in_queue=1770340, util=93.49% 2.69user 1.18system 0:20.86elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2457minor)pagefaults 0swaps