avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.490      0.000    172.440  10910.660      0.000   2216.410 
avg	     0.004      0.000      1.297     82.035      0.000     16.665 
stddev	     0.008      0.000      2.202     24.149      0.000     23.869 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 691830.030     46.990   9493.430    187.960 2807289.540  83879.050   1090.790  15347.650    975.560   6130.510 
avg	     0.000   5201.730      0.353     71.379      1.413  21107.440    630.670      8.201    115.396      7.335     46.094 
stddev	     0.000   2398.179      0.493     36.312      1.974   9249.871    169.204     16.143    219.227      4.724     23.259