avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.850      0.000    236.620   7906.920      0.000  11854.600 
avg	     0.009      0.000      1.183     39.535      0.000     59.273 
stddev	     0.034      0.000      0.452     11.211      0.000     11.344 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	256872.000    233.000   5291.000  22186.680 1048652.000 11331049.780 193701.710  28670.260 228198.650   1594.430  19999.720 
avg	  1284.360      1.165     26.455    110.933   5243.260  56655.249    968.509    143.351   1140.993      7.972     99.999 
stddev	  3891.601      2.830     90.295     32.655  15908.830  16691.006    159.873      1.377    295.661      1.777      0.104