avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.480      0.000     37.660   9802.110      0.000   3459.700 
avg	     0.004      0.000      0.283     73.700      0.000     26.013 
stddev	     0.020      0.000      0.186      5.791      0.000      5.752 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1462085.000      6.000  14844.000     24.000 5905840.000 107287.160   3449.620  32928.550   1259.110  13300.800 
avg	     0.000  10993.120      0.045    111.609      0.180  44404.812    806.670     25.937    247.583      9.467    100.006 
stddev	     0.000   1950.379      0.241     25.060      0.964   7690.894     67.994      3.004     79.654      2.319      0.069