avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.900      0.000     43.550   3267.630      0.000   9983.000 
avg	     0.044      0.000      0.327     24.569      0.000     75.060 
stddev	     0.067      0.000      0.177      7.845      0.000      7.922 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      2.990      3.000   7209.500     12.000 842144.000  31038.800  12656.480 232316.200   2507.920  13299.810 
avg	     0.000      0.022      0.023     54.207      0.090   6331.910    233.374     95.162   1746.738     18.857     99.999 
stddev	     0.000      0.148      0.259      6.498      1.037    783.536      3.390     25.910    466.780      3.556      0.105