avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.770      0.000     70.730   6343.110      0.000   6882.480 
avg	     0.028      0.000      0.532     47.693      0.000     51.748 
stddev	     0.053      0.000      0.223      4.357      0.000      4.396 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1328157.570     44.990  24135.240    179.960 5408064.990  62655.970   2178.170  12891.850    803.750  13299.810 
avg	     0.000   9986.147      0.338    181.468      1.353  40662.143    471.098     16.377     96.931      6.043     99.999 
stddev	     0.000   1789.373      0.489     55.882      1.955   7381.927     97.449      3.571     31.771      1.949      0.121