avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.070      0.000    254.400  16616.220      0.000   3127.360 
avg	     0.010      0.000      1.272     83.081      0.000     15.637 
stddev	     0.034      0.000      0.311     13.899      0.000     13.917 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257976.000    512.000   4188.000  21233.000 1048656.000 10758630.420 192653.030  28512.240 235373.040   1666.880  20000.110 
avg	  1289.880      2.560     20.940    106.165   5243.280  53793.152    963.265    142.561   1176.865      8.334    100.001 
stddev	  3655.091      5.423     58.854     30.040  14855.759  15240.095    137.299      6.726    267.113      1.812      0.086