avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.200      0.000   1821.270    595.190      0.000  10881.390 
avg	     0.017      0.000     13.694      4.475      0.000     81.815 
stddev	     0.039      0.000      8.217      4.957      0.000      9.619 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1118442.000      5.000  10850.990     20.000 4517112.000  92387.990   1175.560  13780.290    923.220   7057.200 
avg	     0.000   8409.338      0.038     81.586      0.150  33963.248    694.647      8.839    103.611      6.942     53.062 
stddev	     0.000   5968.230      0.190     60.203      0.761  23801.399    358.569     18.776    203.782      9.591     34.022