avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.440      0.000     93.910   8693.560      0.000   4510.120 
avg	     0.018      0.000      0.706     65.365      0.000     33.911 
stddev	     0.022      0.000      0.323     26.870      0.000     27.165 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    327.980     25.000   8679.610    100.000 3466882.930 110540.170  19154.290 314376.480   2448.640  13300.210 
avg	     0.000      2.466      0.188     65.260      0.752  26066.789    831.129    144.017   2363.733     18.411    100.002 
stddev	     0.000      2.367      0.391     30.674      1.563   8955.640    115.606      2.495    706.847      8.574      0.139