avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.770      0.000     21.660   5615.550      0.000   7660.070 
avg	     0.021      0.000      0.163     42.222      0.000     57.595 
stddev	     0.047      0.000      0.154      9.770      0.000      9.784 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    752.000     43.000  16033.000    172.000 5608156.000  93189.510   8162.670  70699.680   1150.780  13301.200 
avg	     0.000      5.654      0.323    120.549      1.293  42166.586    700.673     61.373    531.577      8.652    100.009 
stddev	     0.000      3.235      0.468     23.969      1.871   7933.465     45.155     11.694    177.855      1.941      0.134