avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.570      0.000    591.230   4622.930      0.000  14577.320 
avg	     0.043      0.000      2.986     23.348      0.000     73.623 
stddev	     0.062      0.000      0.916      7.008      0.000      7.146 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	211338.680 279251.110   5695.800  48826.690 868137.890 6514426.150  60483.380    989.120   3807.680    279.120   6785.940 
avg	  1067.367   1410.359     28.767    246.599   4384.535  32901.142    305.472      4.996     19.231      1.410     34.272 
stddev	  3709.000    931.394    107.103    101.827  15253.716   9386.657    139.532      2.984     12.521      1.002     21.496