avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.750      0.000    224.930  19159.560      0.000    610.710 
avg	     0.024      0.000      1.125     95.798      0.000      3.054 
stddev	     0.048      0.000      0.490     12.083      0.000     11.979 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	197207.500 1370728.680   6373.830  21633.330 814263.330 5601445.860 106134.780  29260.760 248020.230   1731.690  20000.140 
avg	   986.038   6853.643     31.869    108.167   4071.317  28007.229    530.674    146.304   1240.101      8.658    100.001 
stddev	  3667.057   3110.690    117.990     38.268  15140.956   8799.564    159.102      5.231    364.459      2.559      0.078