avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.730      0.000    791.440    364.200      0.000  12141.570 
avg	     0.021      0.000      5.951      2.738      0.000     91.290 
stddev	     0.030      0.000      3.163      2.645      0.000      4.793 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    603.000     95.000  14624.000    380.000 6166416.000 110852.550   8771.480  75570.320    941.930  10220.000 
avg	     0.000      4.534      0.714    109.955      2.857  46364.030    833.478     65.951    568.198      7.082     76.842 
stddev	     0.000      8.642      0.452     42.822      1.807  18114.665    183.288     47.298    379.885      2.149     28.324