avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.890      0.000     40.100   9725.870      0.000   3530.030 
avg	     0.029      0.000      0.302     73.127      0.000     26.542 
stddev	     0.053      0.000      0.171      6.437      0.000      6.452 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1459990.400      5.000  14726.770     20.000 5894500.390 107678.960   3412.990  32756.470   1262.760  13299.430 
avg	     0.000  10977.371      0.038    110.728      0.150  44319.552    809.616     25.662    246.289      9.494     99.996 
stddev	     0.000   1929.216      0.226     23.722      0.905   7706.498     71.549      3.054     85.873      2.226      0.169