avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    49.300      0.000     20.930   4851.020      0.000   8378.660 
avg	     0.371      0.000      0.157     36.474      0.000     62.997 
stddev	     0.158      0.000      0.141     15.661      0.000     15.797 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      5.000      3.000  10866.120     12.000 4940664.790 107925.540  12049.090 134162.660   1058.170   9685.010 
avg	     0.000      0.038      0.023     81.700      0.090  37147.856    811.470     90.595   1008.742      7.956     72.820 
stddev	     0.000      0.190      0.259     36.418      1.037  16643.318    279.066     61.688    721.862      3.736     38.657