avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.490      0.000    114.920  13049.660      0.000    134.880 
avg	     0.004      0.000      0.864     98.118      0.000      1.014 
stddev	     0.021      0.000      0.248      3.332      0.000      3.289 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 931576.820      5.000  13184.310     20.000 3780698.920  77316.700   4234.530  42415.800   1359.840  13300.490 
avg	     0.000   7004.337      0.038     99.130      0.150  28426.308    581.329     31.839    318.916     10.224    100.004 
stddev	     0.000    647.130      0.226     11.876      0.905   1723.666     75.658      5.236     87.139      1.188      0.078