avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.930      0.000    460.670   6267.450      0.000  13063.020 
avg	     0.045      0.000      2.327     31.654      0.000     65.975 
stddev	     0.065      0.000      0.812      9.879      0.000     10.295 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	243250.170 174502.270   4228.540  41710.820 989912.700 5812243.150  61630.880    864.530   3939.380    310.440   6662.360 
avg	  1228.536    881.325     21.356    210.661   4999.559  29354.763    311.267      4.366     19.896      1.568     33.648 
stddev	  3443.197    523.247     62.269     86.785  14013.325   6884.466    113.649      3.020     15.702      1.435     27.282