avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.510      0.000     39.040   9887.710      0.000   3372.720 
avg	     0.004      0.000      0.294     74.344      0.000     25.359 
stddev	     0.009      0.000      0.174     27.823      0.000     27.848 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    484.960     38.980   6287.230    155.920 2532263.450 106780.590   7321.430 157884.760   2072.650   8923.800 
avg	     0.000      3.646      0.293     47.272      1.172  19039.575    802.862     55.048   1187.103     15.584     67.096 
stddev	     0.000      3.307      0.487     20.368      1.948   8537.026    177.800     53.663   1149.371     10.113     36.137