avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.030      0.000    281.120  15454.410      0.000   4258.490 
avg	     0.030      0.000      1.406     77.272      0.000     21.292 
stddev	     0.055      0.000      0.395     19.558      0.000     19.693 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253857.000 1721472.490   8099.000  19921.900 1047824.000 6962277.860 137477.440  28582.670 251036.150   1778.530  19999.910 
avg	  1269.285   8607.362     40.495     99.610   5239.120  34811.389    687.387    142.913   1255.181      8.893    100.000 
stddev	  3987.684   3775.379    127.483     36.070  16457.541  10840.672    199.096      3.103    388.411      2.610      0.076